iPhone Duo Apps
151 apps whose developers say they're ready for iPhone Duo. I gathered this list from developers' replies to my posts on social media. I haven't tested every app yet so can't speak to their quality, but wanted a list publicly available! Tap an app to open it on the App Store.
All Dai
A calm, private morning brief with your calendar, what's due, and how you slept.
App Store
Alpenglow
Predicts not just when the sun rises and sets, but how good the light will be.
App Store
Appstead
A private App Store sales dashboard for indie developers: downloads, proceeds, reviews and payouts.
App Store
ARTE.tv
Documentaries, reportage and concerts from the European public broadcaster ARTE.
App Store
aud-io
A local-first music player for the music you own, with your Apple Music library alongside.
App Store
Audiora Stories
Turns your own text into audiobook-style spoken stories.
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Bandbreite
Browse the full catalogue of Apple Watch bands and keep track of your collection.
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Basil
A budget and spending tracker that uses on-device AI to do the tedious parts for you.
App Store
Battlefleet Duo
A turn-based naval strategy game of hidden fleets and deduction, built for the folding screen.
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Bear
A beautiful, powerfully simple Markdown app for notes, journaling and writing.
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Bellowsby
A little red accordion you play by squeezing your phone, where the hinge is the bellows.
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Bezel
Frames your screenshots in beautiful device mockups with backgrounds.
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Biblio
A 3D bookshelf where your physical books and ebooks live together.
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BillLoop
A simple tracker for bills, due dates and recurring payments.
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Bite Club
A family meal planner that answers "What's for dinner?" for the whole week.
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BlackJackal
A blackjack trainer that shows the expected value of every play as you learn basic strategy.
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Bmote
A low-power Bluetooth shutter remote for Sony and Fujifilm cameras.
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Bookie
A calm, private reading journal for the books you want to read, are reading, and have finished.
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Buffer
Plan, schedule and publish posts to every social platform from one app.
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Bulletin
A modern RSS news reader with built-in summaries, so you get through what you follow in less time.
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Callsheet
Look up the cast and crew of any movie or show without the clutter of a movie database site.
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Calory
A simple, fast calorie counter for tracking what you eat during the day.
App Store
Captioner
My app that adds animated, word-by-word captions to your videos, entirely on your device.
App Store
Capture
A quick-notes app for seizing, sorting and acting on your ideas.
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CapWords
An Apple Design Award-winning language tutor that turns the world around you into your vocabulary book.
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CardStack
Tracks your credit cards so you never miss a statement credit and get the most from cashback, offers and points.
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Casterly
A clean, retro-inspired podcast player with no suggestions and no algorithmic noise.
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CD Wally
Your chosen albums as discs in a CD wallet you flip through, on iPhone, iPad, Mac, Apple TV and CarPlay.
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Challenges Aid
Tracks your progress on each month's Apple Watch challenges and keeps a history of your achievements.
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Chroma
A cinema-grade player for your own media library from Plex, Jellyfin and Emby.
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Chronicling
Keep track of anything, from habits and chores to symptoms, and see how often it happens.
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Cinch
A calm, visual front end for Apple Reminders.
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Concert Craze
A concert tracker and diary for logging every gig you've been to and every show to come.
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CoolMeow
Split expenses with your partner, roommates or friends in one shared ledger.
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Countr
Quickly count or tally anything, from game scores to headcounts.
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Crossy Road
The 8-bit endless arcade hopper that started it all.
App Store
Crossy Road Castle
Climb an endless spinning tower of arcade fun with your friends.
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Crouton
A simple, feature-packed recipe organizer and meal planner.
App Store
Dart Scoreboard Pro
Keeps score for Cricket, 301, 501, Shanghai and more, readable from across the room.
App Store
Deck-Man
A playful music player with the look and feel of a classic cassette Walkman, made for iPhone Duo.
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DexFold
A talking Pokédex designed for foldable iPhones, with the outer screen as the lid.
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Did It
A judgement-free place to record what you did and noticed today.
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Doodah
A friendly coloring and drawing app for kids, one sheet of paper at a time.
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Doris
A personal journal that gathers the moments of your life into chapters.
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Doses
A calm, clear medication tracker for you, your kids, or someone you care for.
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Drafts
Where text starts: capture a note quickly, then send it almost anywhere.
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Duo Trackpad
Turns your iPhone or iPad into a trackpad for your Mac, with familiar gestures for pointing, clicking and scrolling.
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Easy Home Control
The simplest way to control a HomeKit thermostat: warmer, cooler, and the mode.
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Elite Hoops
A basketball coach's playbook for designing plays, planning practices and organizing drills.
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Environment
Uncomplicated Singapore weather on your iPhone, Home Screen and beyond.
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Essayist
An academic writing app that handles APA, MLA and other citation styles for you.
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Eventual Calendar
A fast, elegant calendar that keeps your schedule, reminders and plans in one place.
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FastMinder
A no-clutter intermittent fasting tracker.
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Finalist
A daily planner inspired by paper, with your calendar, tasks, notes and weather in one timeline.
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FitnessView
Your Apple Watch activity and Health data in a dashboard you can read at a glance.
App Store
FleetFold
A naval grid game with the feel of a classic board game, made for the fold.
App Store
Flux for Bluesky
A beautifully crafted, fully native Bluesky client that puts you in control.
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Focus
A flexible Pomodoro timer for deep work, with tasks and projects across all your Apple devices.
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Foldmeter
Turns your iPhone Duo into a folding rule that shows the hinge angle live, to the degree.
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Foodnoms
A nutrition tracker that respects your time and your privacy.
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Gigs
Your personal home for concerts and festivals, past and upcoming.
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Greens
Classic miniature golf, beautifully made for iPhone, windmill included.
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Gridium
Turns your photos into a thoughtful collage in seconds, with 43 templates to pick from.
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HealthLumio
A calm, personal dashboard for your Apple Health data: activity, heart, sleep and more.
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HomeBatteries
See the battery level of every HomeKit accessory in one place.
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Hour by Hour
Plan your day hour by hour, whether it's catching a flight or running a busy schedule.
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Invoice Factory
An invoice maker and bookkeeping app for freelancers and small businesses.
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Kan Do
My kanban project manager: Spaces, Projects and boards with rich notes on every task.
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Later
One calm place for everything you want to read later: articles, videos, recipes, anything with a link.
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LifeBoard
Turns your habits, goals, mood and journal into one clear picture of your day.
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Liftlog+
Plan and log your gym workouts and watch your progress without the app getting in the way.
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Lights Off
The classic puzzle inspired by Lights Out: turn every light off in as few moves as you can.
App Store
LIT Bible
A New Testament translation written for the oppressed, with inclusion and liberation at its heart.
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Living Earth
Live clouds, storms and weather across a 3D Earth, with forecasts and a world clock for your cities.
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Lown
A free mortgage payoff calculator that shows your mortgage-free date and how much interest extra payments could save.
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Memories
Turns the objects you love into 3D keepsakes you can hold onto forever.
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Mercury Weather
A beautiful weather app with detailed charts and forecasts for your trips.
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MindNode
Capture scattered thoughts in a mind map and turn them into a clear outline.
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MLXHub
An AI that lives entirely on your iPhone and iPad, even without internet.
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Moderation
A gentle drink tracker that helps you drink a little less, without the lecture.
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Moment
A screen time blocker that helps you spend less time scrolling and more time living.
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Morpho
Type a number and instantly see all your favorite currency and unit conversions.
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My Links
A personal link hub for every way people can reach or follow you, shared with a single tap.
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My Nihongo
Japanese study notes and vocabulary for every JLPT level.
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My Vinyl+
Brings your vinyl, CDs and cassettes together, synced with Discogs.
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NewsNinja
RSS, YouTube, Reddit, podcasts and social feeds in one dashboard, your way.
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NFC.cool
Read and write NFC tags, scan QR codes and digitize documents in one app.
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Nimtastic
The mathematical strategy game Nim: take objects from heaps and leave your opponent the last one.
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Nitelore
Extreme anti-gravity racing across cities, volcanoes and alien worlds.
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(Not Boring) Camera
A camera app that makes taking photos fun again.
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NowPlaying
Find records you'd never have run into on your own, then learn everything about them.
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Numble
A simple number game: guess the five-digit number in five attempts.
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Orisuji
A paper maze puzzle you solve by folding your phone.
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Overcast
A powerful, simple, award-winning podcast player.
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Overflight
Names the aircraft flying over you right now, with a radar scope of everything else in your sky.
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Paste
A clipboard manager that remembers everything you copy on Mac, iPhone and iPad.
App Store
Pastel
Capture and collect color palettes for your design and development projects.
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Peapod
A tiny podcast app with no algorithms, no social graph and no AI.
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Penbook
Write naturally with Apple Pencil on hundreds of kinds of digital stationery.
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Phoo
Finds a public toilet nearby and tells you whether it's open, what it costs and how to get in.
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PianoFold
A classical piano rhythm game that folds your iPhone Duo into a laptop-style stage.
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PiDay
The nerdiest calendar ever: see where today's date appears in the digits of pi.
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Planet of Lana
A cinematic puzzle adventure across beautiful landscapes with a loyal animal companion.
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Pocket Finish
A fast color grading and finishing app for photos and video, with LUTs and precise adjustments.
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Pop Out Timer
A floating picture-in-picture timer, stopwatch, pomodoro or clock that stays on screen.
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Portal
Brings the sights and sounds of the natural world into your day, for sleep, focus and calm.
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Reading Light
Turns your iPhone into a nightstand lamp, with the Duo's hinge as the dimmer.
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Reps
An HRV recovery coach that brings health, nutrition and training together.
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Researchist
A PDF reader designed for academic papers, with references that turn into links.
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Retrocade
Your all-access pass to the golden age of arcades, 80s neon glow included.
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Ride Radar
Live wait times, planning and dining availability for theme parks.
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Rugby Tracker
Every rugby score, fixture and standing, with live matches on your Lock Screen.
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Salut
Cross-checks AI answers across the best models without handing over your data.
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Scoreo
Makes keeping score the easiest part of game night.
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Scratchbook
A park passport that turns your national park adventures into personalized posters.
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Sequel
A media wishlist for the shows, books and games you want to get to.
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Shareshot
Frames screenshots for sharing, with results that look fantastic.
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Skyscraper
A Bluesky and Mastodon client that feels native, with a Duo laptop mode that scrolls your timeline for you.
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Sofa
A downtime organizer for the movies, shows, books and games you want to enjoy.
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Solarday
Helps you find a little more meaning and delight in ordinary days.
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Spectra
A minimalist weather app that renders live conditions as full-screen generative art.
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SpotBuds
Find someone to train with near you, filtered by what you're actually working on.
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Spritz
Tracks your home bar and shows every cocktail you can make right now.
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Starglow
A stargazing forecast that tells you when the sky will be clear, where it's darkest, and what you'll see.
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Stash
My app for saving text, links, photos, GIFs and files, and pasting them anywhere with one tap.
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Steps
A pedometer and workout tracker that turns every step into progress.
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SubManager
Track all your subscriptions in one private place and stop wasting money.
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T3 Code
A companion app for driving your remote T3 Code environments: kick off agent runs, browse files and review changes from your phone.
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Tama
Keeps your matcha tins, recipes, brewing history and tasting notes together.
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Tasks
A flexible task manager that starts as a simple to-do list and adds structure when you need it.
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Teleprompter Pro
A teleprompter used by creators and studios; on Duo the script sits on the outer display while you record.
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Telkino
See and control your Mac or Windows PC from your iPhone or iPad over your own network.
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Things 3
The award-winning to-do app for planning your day and managing your projects.
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Tide
A reading list that doesn't let things pile up: save an article and you get 30 days to read it.
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Timepage
An intuitive, delightful calendar and planner from Moleskine Studio.
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Timo
A beautifully designed world clock that groups your cities for work, travel and family.
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Toastie
Turns your iPhone into a toaster for making grilled cheese from scratch.
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Together Board
A warm little pin board for photos, notes, countdowns and polls you share with people you love.
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Train Conductor World
Manage the chaos of international railway traffic and build the rail network of your dreams.
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Tripsy
A travel planner that brings flights, hotels, reservations and expenses into one itinerary.
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Tuber for YouTube
A YouTube client with a fully functional Liquid Glass player.
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Turnativo
Turns your shift schedule into Apple Calendar events and keeps them synced.
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Tutti
A paperless music stand for organizing, practicing and performing your sheet music.
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TV Remote
Control your television from your iPhone, iPad, Apple Watch or Vision Pro with a simple, beautiful remote.
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Twirlaby
A jewellery music box where unfolding your iPhone Duo lifts the lid.
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TypeDraw
A private notebook for typed and drawn notes that opens with a swipe of the cover or by unfolding your iPhone Duo.
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Unshelved
Turns your reading into Home Screen widgets and a shabby-chic stack of books.
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WaterLlama
An award-winning water tracker with smart reminders and a friendly llama.
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WaterMinder
A water tracker used by millions, with reminders and Apple Health sync.
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Weather360
Turns the forecast into a living sky over your city and explains it in plain words.
App Store
Wylde Flowers
A cozy farming and life sim on a rural island with a touch of magic.
App Store