thumbzonekeyboard
JAESIK YOUN Utilities iPhoneiPadiPod touch
thumbzonekeyboard is a free Utilities app for iPhone and iPad by JAESIK YOUN. Requires iOS 18.5. Updated June 20, 2026.
- Price
- Free
- on the App Store
- Size
- 9 MB
- Age 4+
- Updated
- Jun 20
- 2026 · v2.3
Screenshots
About thumbzonekeyboard
This keyboard is designed for real mobile users who type with one thumb. It supports standard mode, left-handed mode, and mirror mode so you can choose the layout that feels most comfortable for your hand. The smart thumb layout reduces finger movement and helps you type faster with less effort. * Vowels and consonants are placed in separate zones, and consonants are grouped by similar pronunciation to make keys easier to find with one thumb. There is no learning curve. You can start typing naturally from the first use. It also includes a built-in calculator. You can quickly calculate numbers without leaving the keyboard, making it useful for shopping, work, and daily tasks. Use it for just 5 minutes a day for one week, and you will not be able to go back to the old QWERTY keyboard. Switch modes anytime depending on how you hold your phone. Whether you are right-handed or left-handed, this keyboard adapts to you. Designed for speed, comfort, and real-world use on smartphones.
What’s new
Version 2.3 · Updated June 20, 2026
Optimized number key placement for thumb-zone typing.
App privacy
The developer, JAESIK YOUN, reported these privacy practices to Apple.
Data Not Collected
The developer does not collect any data from this app.
Alternatives to thumbzonekeyboard
Looking for apps like thumbzonekeyboard? Here are 6 similar apps on the App Store. The highest rated is Boomerang One-Hand Keyboard (3.7/5), and 5 of the 6 are free to download.
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Boomerang One-Hand Keyboard
3.7
| App | Rating | Price | Last updated | Compare |
|---|---|---|---|---|
| thumbzonekeyboard | – | Free | June 20, 2026 | |
| ShellAccess | – | Free | Mar 23, 2026 | Compare |
| Stacked - Batch PDF Scanner | – | Free | May 8, 2026 | Compare |
| AI Face Blur | – | Free | Jul 31, 2026 | Compare |
| Postdeck: Social Media Planner | – | Free | Sep 20, 2026 | Compare |
| Tensora: String Tension | – | 2.99 USD | Oct 2, 2026 | Compare |
| Boomerang One-Hand Keyboard | 3.7 / 5 (3) | Free | Oct 6, 2026 | Compare |
Compare thumbzonekeyboard with the top alternatives: ratings, updates, ASO score and keyword gaps →