# Speed calculation — A good helper for +-×÷ in 100

> A good helper for +-×÷ in 100 (iPhone/iPad app by 宏斌 樊.)

- Source: https://appshunter.io/ios/app/speed-calculation/id1436483686 (this page in markdown: same URL + `.md`)
- Developer: [宏斌 樊](https://appshunter.io/developer/1452129040)
- Category: Education
- Price: Free with in-app purchases
- Age rating: 4+
- Requires: iOS 16.0 · 4 MB
- Languages: English, French, German, Japanese, Korean, Chinese, Spanish, Chinese
- Released: 2018-09-23
- Data updated: 2026-07-07
- User reviews in markdown: https://appshunter.io/ios/app/speed-calculation/id1436483686/reviews.md

## What is Speed calculation?

Speed Calc is a simple mental arithmetic trainer for building speed and accuracy.
Choose addition, subtraction, multiplication, or division, set the number range and question count, then start practicing with a focused keypad interface. The app tracks your time, mistakes, daily best, and personal best so you can see your progress over time.

Features:
Addition, subtraction, multiplication, and division practice
Adjustable number range, difficulty, and question count
Timer with daily best and personal best records
Calendar-based practice history
Multiple theme colors
Optional sound feedback
Remove ads with a one-time purchase

Speed Calc is designed for short daily practice sessions and focused arithmetic training.

## Pricing and in-app purchases

Base price: Free.

**One-time purchases**

| Purchase | Price | Type |
| --- | --- | --- |
| Remove ads. | $3.99 | one-time |



## Version history (last 5 releases)

### 3.70 — 2026-07-06

Improved the feedback feature. Feedback emails now open more reliably and automatically include the app version and device information to help us investigate issues faster.

### 3.60 — 2026-06-11

Refined practice interface, improved records page, new theme colors, updated localization, and improved ad removal purchase handling.

### 3.50 — 2025-10-06

1. Support iOS 26.0.

### 3.20 — 2025-04-06

1. Fixed some issues.

### 3.10 — 2024-12-11

1. Fixed some issues.

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## More apps by 宏斌 樊

- [万卷诗](https://appshunter.io/ios/app/id1185747521)
- [C语言程序设计](https://appshunter.io/ios/app/c/id1370015216)
- [Java程序设计](https://appshunter.io/ios/app/java/id1372576617)
- [Python编程学习通](https://appshunter.io/ios/app/python/id1395429052)
- [C++程序设计](https://appshunter.io/ios/app/c-plus-plus/id1395830025)
- [Schulte Table-Speed Reading!](https://appshunter.io/ios/app/schulte-table-speed-reading/id1407932377)

All apps by 宏斌 樊: https://appshunter.io/developer/1452129040

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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 2026-07-07.*