Jettle
Yunqing Fei Utilities iPhoneiPadiPod touchMac
Jettle is a free Utilities app for iPhone and iPad by Yunqing Fei. Requires iOS 18.0. Updated February 2, 2026.
- Price
- Free
- on the App Store
- Size
- 21 MB
- Age 4+
- Updated
- Feb 2
- 2026 · v1.3
Screenshots
About Jettle
Jettle: Your Pocket-Sized Math Genius Jettle is an intuitive mobile application designed to simplify mathematics for students, professionals, and lifelong learners. Built on a powerful computational engine, Jettle goes beyond a standard calculator by providing accurate solutions, interactive graphing, and concept explanations that turn complex problems into manageable tasks. Whether you are tackling high school algebra or optimizing financial models, Jettle is the ultimate companion for clarity and speed. Key Features Geometry Calculator: Instantly calculate the area and perimeter of figures. Interactive Graphing: Visualize functions and data points effortlessly using the Grapher function. Concepts Dictionary: Access a comprehensive database of mathematical words, from basic geometry to advanced calculus and statistical distribution models. Who is it for? Jettle is built for anyone who needs to crunch numbers with confidence. It is an essential tool for students preparing for exams, engineers checking field calculations, and finance professionals needing quick validation for complex equations. With a clean, ad-free interface and offline capabilities, Jettle ensures that mathematical support is always just a tap away.
What’s new
Version 1.3 · Updated February 2, 2026
Completed Chinese localization; Added more concepts.
App privacy
The developer, Yunqing Fei, reported these privacy practices to Apple.
Data Not Collected
The developer does not collect any data from this app.
Alternatives to Jettle
Looking for apps like Jettle? Here are 6 similar apps on the App Store. The highest rated is Calculator - Andulator (5.0/5), and all 6 are free to download.
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| App | Rating | Price | Last updated | Compare |
|---|---|---|---|---|
| Jettle | – | Free | February 2, 2026 | |
| Uniboard: Unicode Keyboard | – | Free | Oct 22, 2026 | Compare |
| Calculator - Andulator | 5.0 / 5 (2) | Free | Aug 24, 2025 | Compare |
| RTP-MIDI (Network MIDI) | 5.0 / 5 (2) | Free | Oct 22, 2026 | Compare |
| iWebServer | 3.0 / 5 (2) | Free | Jan 19, 2026 | Compare |
| Anyone Browser | 4.8 / 5 (25) | Free | Jun 11, 2026 | Compare |
| Base64 Encoder Decoder | 5.0 / 5 (4) | Free | Dec 18, 2023 | Compare |
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