# Jettle — Get help with everyday math

> Get help with everyday math (iPhone/iPad app by Yunqing Fei.)

- Source: https://appshunter.io/ios/app/jettle/id6756515917 (this page in markdown: same URL + `.md`)
- Developer: [Yunqing Fei](https://appshunter.io/developer/1861075124)
- Category: Utilities, Education
- Price: Free
- Age rating: 4+
- Requires: iOS 18.0 · 21 MB
- Languages: American English, Chinese (Simplified, China)
- Released: 2025-12-15
- Data updated: 2026-02-02
- User reviews in markdown: https://appshunter.io/ios/app/jettle/id6756515917/reviews.md

## What is 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.


## Version history (last 5 releases)

### 1.3 — 2026-02-02

Completed Chinese localization;

Added more concepts.

### 1.2.1 — 2026-01-25

Minimal UI updates and feature enhancements including:
- Support for multiple numbers in LCM & GCF Calculator
- Added Sum info in Statistics Calculator

### 1.2 — 2026-01-10

Added Shortcuts.

### 1.1.1 — 2025-12-27

Feature improvements and bug fixes

### 1.1 — 2025-12-21

Grapher function improved and switched to official version.
Added Base Converter function.

Minor bug fixes and other improvements.

## More apps by Yunqing Fei

- [No Problem: Math Practice](https://appshunter.io/ios/app/no-problem/id6756510231)
- [Matchup: Sports Helper](https://appshunter.io/ios/app/matchup/id6758257827)

All apps by Yunqing Fei: https://appshunter.io/developer/1861075124

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*Data collected daily from the US App Store and indexed by [AppsHunter](https://appshunter.io/). User reviews are verbatim App Store reviews. Ratings, prices and chart positions refresh continuously; this snapshot is from 2026-02-02.*