# Prime Rush vs Mathji Math Practice & Quizzes

The clearest difference is in-app purchases: Mathji Math Practice & Quizzes at none against Prime Rush's 1. Mathji Math Practice & Quizzes also leads on ads (none vs shown). On price, update cadence, device support and iOS requirement there is nothing between them.

Both are free to download. Prime Rush sells 1 one-off in-app purchase. Mathji Math Practice & Quizzes asks for nothing beyond the download.

Prime Rush ships an update every 3 weeks, Mathji Math Practice & Quizzes every 10 days. The most recent releases landed on September 10, 2026 and July 1, 2026 respectively.

## The numbers

| Metric | Prime Rush | Mathji Math Practice & Quizzes |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/mathji-math-practice-and-quizzes/id6776072306/reviews)** |
| Number of ratings | — | **1** |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | Every 3 weeks | **Every 10 days** |
| Monetization | — | Free |
| Size | 21 MB | 10 MB |
| Requires iOS | 17 | 17.0 |
| Devices | iPhone | **iPhone, iPad** |
| Age rating | 4+ | 4+ |
| Developer | [Ayumu Izumi](https://appshunter.io/developer/1822273057) | [Yu-Hui Chen](https://appshunter.io/developer/364246330) |

## What reviewers say

### Prime Rush

[App page](https://appshunter.io/ios/app/prime-rush-math-time-attack/id6755986782)

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pro Plan | $1.99 | one-time |


### Mathji Math Practice & Quizzes

[App page](https://appshunter.io/ios/app/mathji-math-practice-and-quizzes/id6776072306)

This app offers adaptive math practice for students in grades 1-12, generating unique questions and adjusting difficulty based on performance. It tracks progress, provides personalized review, and includes a parent dashboard for monitoring. Kids can earn rewards to stay motivated.

**Highlights:** Smart question generation (200+ topics), Adaptive difficulty adjustment, Mistake notebook and personalized review, PIN-protected parent dashboard, Reward system for motivation, Multilingual support (5 languages)

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is Prime Rush free?

Prime Rush is free to download, with in-app purchases available.

### Is Mathji Math Practice & Quizzes free?

Mathji Math Practice & Quizzes is free to download, with no in-app purchases.

### Do Prime Rush or Mathji Math Practice & Quizzes have ads?

Prime Rush shows ads; Mathji Math Practice & Quizzes does not.

### Which is updated more often, Prime Rush or Mathji Math Practice & Quizzes?

Prime Rush ships an update every 3 weeks, and Mathji Math Practice & Quizzes every 10 days. Most recently, Prime Rush was updated on September 10, 2026 and Mathji Math Practice & Quizzes on July 1, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*