Games
iPhone Duo games
Comet Barn has 3 iPhone Duo games out now: Tap Higher Number, Quarter Turn and Card Table.
iPhone Duo is Apple's first foldable iPhone, out since 23 October 2026. Open, its inner display is half as large again as an iPhone 18 Pro Max's. Closed, it works like any other iPhone.
Any iPhone game runs on it, but one that hasn't been updated for it plays in part of the inner screen, not across all of it. A game optimized for it changes its layout when you open or fold the phone. The best ones also do something with the fold itself.
On the App Store, look for the Made for iPhone Duo badge on a game's page. Each game below says what it does on the fold.
iPhone Duo games compared
| Game | Plays on | On iPhone Duo | Price | Ads | Offline | Age |
|---|---|---|---|---|---|---|
| Tap Higher Number | Android, iPhone, iPad, Browser | Open, the game fills the large inner display, laid out sideways with the board beside your controls. | Free to play | Only by choice | Plays offline | 13+ |
| Quarter Turn | Android, iPhone, iPad, Browser | Folded or open, the board fills the screen. | Free to play | Only by choice | Plays offline | 13+ |
| Card Table | iPhone, iPad | Half-fold it and only the raised half shows your hand; fold it shut to pass to the other player. | Free to play | No ads | Plays offline | 4+ |
From each game's store listing and its own page. A dash means we haven't confirmed it yet.
Apps for iPhone Duo
From Comet Barn's parent company, Hamperpick, and its brands.
- CutawayComing soonHow everyday things work, one drawing at a time.Open, the list sits on one side and the explainer on the other, or read full width with the diagram beside the words.Hamperpick
- Facing PageComing soonLearn a language by reading real books, with the English on the facing page.Open, the book and its English sit on facing pages; closed, one page with the translation under the sentence you tap.Hamperpick
- Daily BytesShort daily lessons on how AI works and how to use it well.Open like a book, a byte is 2 pages: the lesson on one, the player on the other. Closed, it fits the outer screen.Tecyfy
Guides and news

Two-player card games on one iPhone Duo: fold to pass
How two people play Gin Rummy or Cribbage on one iPhone Duo in Card Table: half-fold it to see your hand, fold it shut to pass. And how it works on any iPhone.
A cribbage app without ads for iPhone: what to look for
How to tell whether a cribbage app on iPhone has ads before you install it, how to check the computer plays fair, and what Card Table does.
Card Table and Quarter Turn are now on the App Store
Card Table, for Gin Rummy and Cribbage, is out on iPhone and iPad, and the arrow puzzle Quarter Turn has joined it. What each is and what is free.
Questions about iPhone Duo games
- Are Comet Barn iPhone Duo games free?
- Yes, all 3 are free to play. Card Table has no ads. In Tap Higher Number and Quarter Turn, an ad plays only when you choose to watch one for a reward. Tap Higher Number, Quarter Turn and Card Table have optional in-app purchases.
- Which Comet Barn iPhone Duo games work offline?
- All 3 work without an internet connection.
- Do I need an account to play Comet Barn iPhone Duo games?
- No. None of them asks you to sign up or log in.
- Do all iPhone games work on iPhone Duo?
- Yes, every iPhone game installs and runs. A game that hasn't been updated for iPhone Duo is shown in part of the inner display instead of filling it. Optimized games adapt their layout to the inner display, the outer display and folding.
- How do I find games made for iPhone Duo on the App Store?
- Apple marks optimized apps and games with a Made for iPhone Duo badge on their App Store page, and the App Store has editorial collections of iPhone Duo apps and games.
- Which Hamperpick apps are optimized for iPhone Duo?
- Daily Bytes (https://dailybytes.tecyfy.com) is optimized for iPhone Duo. Cutaway and Facing Page will be when they launch.

