# ShadowGerman vs MathImpact

The clearest difference is in-app purchases: MathImpact at none against ShadowGerman's 3. MathImpact also leads on iOS requirement (15.1 vs 18.0). On price, update cadence, ads and device support there is nothing between them.

Both are free to download. ShadowGerman sells 3 in-app purchases, starting at $3.99 per month. MathImpact asks for nothing beyond the download.

ShadowGerman ships an update monthly, MathImpact every 3 weeks. The most recent releases landed on October 11, 2026 and October 12, 2026 respectively.

## The numbers

| Metric | ShadowGerman | MathImpact |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (2 ratings)](https://appshunter.io/ios/app/mathimpact-contest-math-prep/id6813772221/reviews)** |
| Number of ratings | — | **2** |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Monthly | **Every 3 weeks** |
| Monetization | — | Free |
| Size | 174 MB | 36 MB |
| Requires iOS | 18.0 | **15.1** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Dajiale](https://appshunter.io/developer/516546398) | [Surendra Sivagurunathan](https://appshunter.io/developer/1873691846) |

## What reviewers say

### ShadowGerman

[App page](https://appshunter.io/ios/app/shadowgerman-learn-german/id6797006481)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium Monthly | $3.99 | per month |
| Premium Yearly | $19.99 | per year |
| Lifetime Premium | $49.99 | one-time |


### MathImpact

[App page](https://appshunter.io/ios/app/mathimpact-contest-math-prep/id6813772221)

This app offers daily practice problems and guided solutions for elementary and middle school students preparing for math competitions. It features mock tests, progress tracking, and concept lessons, with no account required.

**Highlights:** Daily practice missions, Guided solutions and hints, Realistic timed mock tests, Progress tracking by concept, Multiple competition tracks, Concept lessons

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

**In-app purchases:** none


## Frequently asked questions

### Is ShadowGerman free?

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

### Is MathImpact free?

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

### Do ShadowGerman or MathImpact have ads?

Neither ShadowGerman nor MathImpact shows ads.

### Which is updated more often, ShadowGerman or MathImpact?

ShadowGerman ships an update monthly, and MathImpact every 3 weeks. Most recently, ShadowGerman was updated on October 11, 2026 and MathImpact on October 12, 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.*