# Memory Trainer vs Sumday

The clearest difference is in-app purchases: Memory Trainer at none against Sumday's 1. Memory Trainer also leads on ads (none vs shown). Sumday's advantage is iOS requirement (15.0 vs 17.0). On price and device support there is nothing between them.

Both are free to download. Sumday sells 1 one-off in-app purchase. Memory Trainer asks for nothing beyond the download.

## The numbers

| Metric | Memory Trainer | Sumday |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | — | Every 9 days |
| Monetization | — | Free with in-app purchases |
| Size | 11 MB | 34 MB |
| Requires iOS | 17.0 | **15.0** |
| Devices | **iPhone, iPad, Mac** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [michael dardol](https://appshunter.io/developer/478875188) | [TON CO., LTD.](https://appshunter.io/developer/6796677381) |

## What reviewers say

### Memory Trainer

[App page](https://appshunter.io/ios/app/memory-trainer-span/id6790801548)

**Features:** Vision Pro support

**In-app purchases:** none


### Sumday

[App page](https://appshunter.io/ios/app/sumday-mental-math-practice/id6802302480)

Sharpen your number sense with daily mental math exercises. This app offers quick arithmetic practice, practical math tricks, and progress tracking to improve your speed and accuracy in just five minutes a day.

**Highlights:** Daily arithmetic questions, Adaptive difficulty levels, Mental math technique cards, Progress tracking and reports, Streak tracking, Offline functionality

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Sumday Premium | $3.99 | one-time |


## Frequently asked questions

### Is Memory Trainer free?

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

### Is Sumday free?

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

### Do Memory Trainer or Sumday have ads?

Sumday shows ads; Memory Trainer does not.

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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.*