# MindCalc Arithmetic Trainer vs 1×1 Master

The clearest difference is in-app purchases: MindCalc Arithmetic Trainer at none against 1×1 Master's 3. MindCalc Arithmetic Trainer also leads on iOS requirement (15.4 vs 18.0). On price, ads and device support there is nothing between them.

Both are free to download. 1×1 Master sells 3 one-off in-app purchases. MindCalc Arithmetic Trainer asks for nothing beyond the download.

## The numbers

| Metric | MindCalc Arithmetic Trainer | 1×1 Master |
| --- | --- | --- |
| 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** | Yes |
| Ads | No | No |
| Update frequency | Every 21 months | — |
| Monetization | Free | — |
| Size | 4 MB | 1 MB |
| Requires iOS | **15.4** | 18.0 |
| Devices | **iPhone, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Peter Schorn](https://appshunter.io/developer/291182088) | [Sascha Wagner](https://appshunter.io/developer/1888523022) |

## 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


### 1×1 Master

[App page](https://appshunter.io/ios/app/11-master/id6785290352)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Schüler | $2.00 | one-time |
| Supporter | $4.00 | one-time |
| Hero | $9.00 | one-time |


## Frequently asked questions

### Is MindCalc Arithmetic Trainer free?

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

### Is 1×1 Master free?

1×1 Master is free to download, with in-app purchases available.

### Do MindCalc Arithmetic Trainer or 1×1 Master have ads?

Neither MindCalc Arithmetic Trainer nor 1×1 Master 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.*