# Brain training. Remember seq vs Math Crossword

The clearest difference is in-app purchases: Brain training. Remember seq at none against Math Crossword's 6. Brain training. Remember seq also leads on iOS requirement (8.1 vs 16.6). Math Crossword's advantage is ads (none vs shown) and update cadence (every 3 months vs every 17 months). On price and device support there is nothing between them.

Both are free to download. Math Crossword sells 6 one-off in-app purchases. Brain training. Remember seq asks for nothing beyond the download.

Brain training. Remember seq ships an update every 17 months, Math Crossword every 3 months. Both last shipped on October 4, 2026.

## The numbers

| Metric | Brain training. Remember seq | Math Crossword |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (3 ratings)](https://appshunter.io/ios/app/math-crossword-zerominator/id1246248350/reviews)** |
| Number of ratings | — | **3** |
| Positive reviews | — | 90.9% of reviews |
| In-app purchases | **No** | Yes |
| Ads | Yes | **No** |
| Update frequency | Every 17 months | **Every 3 months** |
| Monetization | — | Free |
| Size | 64 MB | 5 MB |
| Requires iOS | **8.1** | 16.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Ruslan Goncharenko](https://appshunter.io/developer/934710362) | [BrotherSoft](https://appshunter.io/developer/1175755721) |

## What reviewers say

### Brain training. Remember seq

[App page](https://appshunter.io/ios/app/brain-training-remember-seq/id1033117188)

**Features:** macOS Compatibility

**In-app purchases:** none


### Math Crossword

[App page](https://appshunter.io/ios/app/math-crossword-zerominator/id1246248350)

A number-matching puzzle game where players combine numbers to achieve a zero result. It offers multiple game modes for varied challenges and is suitable for players aged 4 and up.

**Highlights:** Number matching gameplay, Achieve zero result, Multiple game modes, Challenging levels, Suitable for all ages

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

**In-app purchases (6)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 3 Hints | $0.99 | one-time |
| Remove Ads | $0.99 | one-time |
| 10 Hints | $1.99 | one-time |
| 50 Hints | $6.99 | one-time |
| 100 Hints | $8.99 | one-time |
| 1000 Hints | $29.99 | one-time |


## Frequently asked questions

### Is Brain training. Remember seq free?

Brain training. Remember seq is free to download, with no in-app purchases.

### Is Math Crossword free?

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

### Do Brain training. Remember seq or Math Crossword have ads?

Brain training. Remember seq shows ads; Math Crossword does not.

### Which is updated more often, Brain training. Remember seq or Math Crossword?

Brain training. Remember seq ships an update every 17 months, and Math Crossword every 3 months. Most recently, Brain training. Remember seq was updated on October 4, 2026 and Math Crossword on October 4, 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.*