# Addition Math Trainer vs German Grammar B1

The clearest difference is iOS requirement: Addition Math Trainer at 12.0 against German Grammar B1's 18.1. On price, ads, in-app purchases and device support there is nothing between them.

Addition Math Trainer costs $2.99 and German Grammar B1 $2.99 up front. Neither carries in-app purchases, so what you see is what you pay.

## The numbers

| Metric | Addition Math Trainer | German Grammar B1 |
| --- | --- | --- |
| Price | $2.99 | $2.99 |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 35 months | — |
| Size | 19 MB | 6 MB |
| Requires iOS | **12.0** | 18.1 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Sergey Malugin](https://appshunter.io/developer/562782409) | [INGOAMPT](https://appshunter.io/developer/1704539480) |

## What reviewers say

### Addition Math Trainer

[App page](https://appshunter.io/ios/app/addition-math-trainer/id1197851732)

**Features:** macOS Compatibility

**In-app purchases:** none


### German Grammar B1

[App page](https://appshunter.io/ios/app/german-grammar-b1/id6739429891)

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

**In-app purchases:** none


## Frequently asked questions

### Is Addition Math Trainer free?

Addition Math Trainer costs $2.99, with no in-app purchases.

### Is German Grammar B1 free?

German Grammar B1 costs $2.99, with no in-app purchases.

### Do Addition Math Trainer or German Grammar B1 have ads?

Neither Addition Math Trainer nor German Grammar B1 shows ads.

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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.*