# MindCalc Arithmetic Trainer vs LernBattle

The clearest difference is update cadence: LernBattle at every 6 weeks against MindCalc Arithmetic Trainer's every 21 months. MindCalc Arithmetic Trainer's advantage is iOS requirement (15.4 vs 18.4). On price, ads, in-app purchases and device support there is nothing between them.

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

MindCalc Arithmetic Trainer ships an update every 21 months, LernBattle every 6 weeks. The most recent releases landed on August 27, 2026 and September 14, 2026 respectively.

## The numbers

| Metric | MindCalc Arithmetic Trainer | LernBattle |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[2.0 (12 ratings)](https://appshunter.io/ios/app/mindcalc-arithmetic-trainer/id306974064/reviews)** | — |
| Number of ratings | **12** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 21 months | **Every 6 weeks** |
| Monetization | Free | — |
| Size | 4 MB | 8 MB |
| Requires iOS | **15.4** | 18.4 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Peter Schorn](https://appshunter.io/developer/291182088) | [insoso GmbH](https://appshunter.io/developer/1495169435) |

## What reviewers say

### MindCalc Arithmetic Trainer

[App page](https://appshunter.io/ios/app/mindcalc-arithmetic-trainer/id306974064)

Sharpen your mental math skills by solving equations where you must select two numbers to match a given result and operator. Earn points for speed, but beware of mistakes that reset your progress. Challenge a friend to a duel of arithmetic prowess.

**Highlights:** Equation solving with number selection, Speed-based scoring, Mistake penalty, High difficulty mode, Two-player competitive mode

**Features:** macOS Compatibility

**In-app purchases:** none


### LernBattle

[App page](https://appshunter.io/ios/app/lernbattle/id6744400227)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is MindCalc Arithmetic Trainer free?

MindCalc Arithmetic Trainer is free to download, with no in-app purchases.

### Is LernBattle free?

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

### Do MindCalc Arithmetic Trainer or LernBattle have ads?

Neither MindCalc Arithmetic Trainer nor LernBattle shows ads.

### Which is updated more often, MindCalc Arithmetic Trainer or LernBattle?

MindCalc Arithmetic Trainer ships an update every 21 months, and LernBattle every 6 weeks. Most recently, MindCalc Arithmetic Trainer was updated on August 27, 2026 and LernBattle on September 14, 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.*