0 to 99
HyunJae Yang Games iPhoneiPad
0 to 99 is a free Games app for iPhone and iPad by HyunJae Yang. Requires iOS 14.0. Updated June 30, 2026.
- Price
- Free
- on the App Store
- Size
- 102 MB
- Age 4+
- Updated
- Jun 30
- 2026 · v1.1.0
Screenshots
About 0 to 99
0 to 99 is a fast mobile card game about one simple decision: is the next number higher or lower? Each new card is compared against the previous one. Swipe right if the number is higher. Swipe left if the number is lower. The rule is simple, but the pace keeps rising. As the timer tightens, every decision has to be faster and cleaner. Features: - instant higher-or-lower gameplay - short runs built for quick retries - rising speed and time pressure - swipe or tap-area controls - clean portrait play tuned for mobile Easy to learn in seconds. Hard to keep up once the pace starts climbing.
What’s new
Version 1.1.0 · Updated June 30, 2026
Hard mode is here. Clear a run to unlock a faster, trickier challenge. • Worldwide leaderboards — top score & best time (Normal and Hard) • Per-mode records, with a cleaner records screen • A revamped results screen — lively score reveals and new-record moments
App privacy
The developer, HyunJae Yang, reported these privacy practices to Apple.
Data Linked to You
The following data, which may be collected and linked to your identity, may be used for the following purposes:
- Location: Coarse Location
- Identifiers: Device ID
- Usage Data: Product Interaction, Advertising Data
- Diagnostics: Performance Data
Used for: Third-Party Advertising, Analytics, App Functionality
Data Not Linked to You
The following data, which may be collected but is not linked to your identity, may be used for the following purposes:
- Identifiers: Device ID
- Usage Data: Product Interaction, Advertising Data
- Diagnostics: Crash Data
Used for: Analytics, App Functionality
Alternatives to 0 to 99
Looking for apps like 0 to 99? Here are 6 similar apps on the App Store. The highest rated is Up to 99: Focus & Reaction (5.0/5), and 5 of the 6 are free to download.
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The Jumper Problem
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Chess Games Knight's Move 2025
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Up to 99: Focus & Reaction
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| App | Rating | Price | Last updated | Compare |
|---|---|---|---|---|
| 0 to 99 | – | Free | June 30, 2026 | |
| The Jumper Problem | – | Free | Jul 3, 2025 | Compare |
| Sigmar's Garden | 3.5 / 5 (2) | Free | Oct 24, 2026 | Compare |
| Block Puzzle Blossom | 4.5 / 5 (4) | Free | Apr 23, 2025 | Compare |
| Chess Games Knight's Move 2025 | – | Free | Sep 1, 2026 | Compare |
| 15 Puzzle | 4.7 / 5 (10) | Free | Sep 29, 2025 | Compare |
| Up to 99: Focus & Reaction | 5.0 / 5 (3) | 0.29 USD | Oct 11, 2026 | Compare |
Compare 0 to 99 with the top alternatives: ratings, updates, ASO score and keyword gaps →