# MathTre vs Christopher

The clearest difference is in-app purchases: Christopher at none against MathTre's 1. Christopher also leads on ads (none vs shown) and iOS requirement (14.0 vs 16.2). MathTre's advantage is update cadence (every 6 weeks vs every 4 months). On price and device support there is nothing between them.

Both are free to download. MathTre sells 1 one-off in-app purchase. Christopher asks for nothing beyond the download.

MathTre ships an update every 6 weeks, Christopher every 4 months. The most recent releases landed on September 27, 2026 and July 8, 2026 respectively.

## The numbers

| Metric | MathTre | Christopher |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/mathtre-simple-math-workout/id6450848723/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | **Every 6 weeks** | Every 4 months |
| Monetization | Free with in-app purchases | **Free** |
| Size | 16 MB | 93 MB |
| Requires iOS | 16.2 | **14.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Koya Nambo](https://appshunter.io/developer/1633778504) | [Anuj Gupta](https://appshunter.io/developer/1651060633) |

## What reviewers say

### MathTre

[App page](https://appshunter.io/ios/app/mathtre-simple-math-workout/id6450848723)

Enhance your arithmetic abilities with daily exercises. This application offers various modes to sharpen your calculation speed and mental math skills. Practice with randomly generated problems to keep your brain active.

**Highlights:** Improve math skills, Calculation speed boost, Daily practice, Five math modes, Customizable digit count, Randomly generated problems

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| paid version | $2.99 | one-time |


### Christopher

[App page](https://appshunter.io/ios/app/christopher/id6473265340)

This platform offers online learning for competitive exam preparation, guided by an experienced educator. It aims to provide comprehensive educational resources for students seeking government sector placements.

**Highlights:** Online learning platform, Competitive exam preparation, Expert guidance, Government sector placement focus, Mobile learning

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is MathTre free?

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

### Is Christopher free?

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

### Do MathTre or Christopher have ads?

MathTre shows ads; Christopher does not.

### Which is updated more often, MathTre or Christopher?

MathTre ships an update every 6 weeks, and Christopher every 4 months. Most recently, MathTre was updated on September 27, 2026 and Christopher on July 8, 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.*