A hundred-cell arithmetic drill, with layouts improved for iPhone Duo
Does 百Math work on iPhone Duo?
Yes. 百Math's App Store page says it supports iPhone Duo, so the update is out. FoldHunt's editor hasn't seen it running yet.
- App Store confirmedThe developer, in the App Store release notes for version 3.3.0: improved layouts on iPhone, iPad and iPhone Duo. The notes don't describe the Duo layout.
Adapted for the fold
We're waiting on details of exactly what 百Math changes for the fold. Are you the developer? Tell us.
About 百Math
百Math is a hundred-cell arithmetic drill: fill the grid and try to beat your best time. Version 3.3.0 improves its layouts on iPhone, iPad and iPhone Duo, the release notes say, without describing the Duo layout.
Evidence reviews
What we checked, when, and what the evidence establishes. Each record preserves the support label at that check.
· App Store page reviewed
App Store confirmed · iphone-duo
The App Store release notes for version 3.3.0 (released October 12, 2026) mention iPhone Duo: "iPhone/iPad/iPhone Duoの画面レイアウトを改善しました"
App version: 3.3.0.
Store text only: we haven't seen the app running, and the store page doesn't show how each pose is used.
View reviewed evidence ↗· Developer statement reviewed
Developer claimed · iphone-duo
Version 3.3.0 improves layouts on iPhone, iPad and Duo without describing the Duo arrangement.
App version: 3.3.0.
The developer's written claim only. No pictures or video of the app on the Duo were checked, and no build was tested.
View reviewed evidence ↗
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Sources: 百Math on the App Store (apps.apple.com) · 和尚 on X (x.com)
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Simulator verified: Individuation Labs, the developer, in a submission to FoldHunt on October 27, 2026, and on the Fretalus website, with App Store screenshots from the iPhone Duo simulator. The App Store seller is Individuation Labs LLC. The release notes for version 1.4.2 (released October 24, 2026) say that on an unfolded iPhone Duo the question sits beside its answers.
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