# Extreme Addition vs Mathji Math Practice & Quizzes

The clearest difference is update cadence: Extreme Addition at every 3 weeks against Mathji Math Practice & Quizzes's every 2 months. Extreme Addition also leads on device support (6 vs 3) and iOS requirement (15.6 vs 17.0). On price, ads, in-app purchases and monetization model there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Extreme Addition ships an update every 3 weeks, Mathji Math Practice & Quizzes every 2 months. The most recent releases landed on October 29, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | Extreme Addition | 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** |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 3 weeks** | Every 2 months |
| Monetization | Free | Free |
| Size | 65 MB | 43 MB |
| Requires iOS | **15.6** | 17.0 |
| Devices | **iPhone, iPad, iPod, Mac, Apple TV, Apple Watch** | iPhone, iPad, Apple Watch |
| Age rating | 4+ | 4+ |
| Developer | [BARTOLI JOHAN](https://appshunter.io/developer/1317257810) | [Yu-Hui Chen](https://appshunter.io/developer/364246330) |

## What reviewers say

### Extreme Addition

[App page](https://appshunter.io/ios/app/extreme-addition/id1490095010)

This game offers a unique approach to addition, challenging players to boost their mental calculation skills. It features three levels with increasing number complexity and timed rounds to improve speed and reasoning. The game aims to build confidence and concentration through engaging number practice.

**Highlights:** Unique addition mechanics, Boosts mental calculation, Improves speed and reasoning, Three difficulty levels, Timed rounds for score saving, Enhances concentration and confidence

**In-app purchases:** none


### 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, Apple Watch app, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is Extreme Addition free?

Extreme Addition is free to download, with no in-app purchases.

### Is Mathji Math Practice & Quizzes free?

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

### Do Extreme Addition or Mathji Math Practice & Quizzes have ads?

Neither Extreme Addition nor Mathji Math Practice & Quizzes shows ads.

### Which is updated more often, Extreme Addition or Mathji Math Practice & Quizzes?

Extreme Addition ships an update every 3 weeks, and Mathji Math Practice & Quizzes every 2 months. Most recently, Extreme Addition was updated on October 29, 2026 and Mathji Math Practice & Quizzes on October 24, 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.*