# MemTrainer vs Numbers

The clearest difference is in-app purchases: MemTrainer at none against Numbers's 1. MemTrainer also leads on iOS requirement (11.0 vs 17.5). Numbers's advantage is ads (none vs shown) and update cadence (monthly vs every 57 months). On price and device support there is nothing between them.

Both are free to download. Numbers sells 1 one-off in-app purchase. MemTrainer asks for nothing beyond the download.

MemTrainer ships an update every 57 months, Numbers monthly. Both last shipped on October 24, 2026.

## The numbers

| Metric | MemTrainer | Numbers |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | Yes | **No** |
| Update frequency | Every 57 months | **Monthly** |
| Monetization | — | Free |
| Size | 8 MB | 7 MB |
| Requires iOS | **11.0** | 17.5 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [POK](https://appshunter.io/developer/357275870) | [BarracudaByte](https://appshunter.io/developer/1475110362) |

## What reviewers say

### MemTrainer

[App page](https://appshunter.io/ios/app/memtrainer/id506423958)

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

**In-app purchases:** none


### Numbers

[App page](https://appshunter.io/ios/app/numbers-brain-teasers/id6670725786)

Engage your mind with over 300 number puzzles designed to boost cognitive skills. This app offers a variety of difficulties and a clean interface to help you track your progress and stay focused on challenging your brain.

**Highlights:** 300+ number puzzles, Multiple difficulty levels, Progress tracking statistics, Simple, focused design, Three puzzle categories

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Full Version | $1.99 | one-time |


## Frequently asked questions

### Is MemTrainer free?

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

### Is Numbers free?

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

### Do MemTrainer or Numbers have ads?

MemTrainer shows ads; Numbers does not.

### Which is updated more often, MemTrainer or Numbers?

MemTrainer ships an update every 57 months, and Numbers monthly. Most recently, MemTrainer was updated on October 24, 2026 and Numbers on October 24, 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.*