# Brain training. Remember seq vs Ball Tree

The clearest difference is update cadence: Ball Tree at daily against Brain training. Remember seq's every 17 months. Brain training. Remember seq's advantage is iOS requirement (8.1 vs 13.0). 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.

Brain training. Remember seq ships an update every 17 months, Ball Tree daily. The most recent releases landed on October 4, 2026 and October 17, 2026 respectively.

## The numbers

| Metric | Brain training. Remember seq | Ball Tree |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | Yes | Yes |
| Update frequency | Every 17 months | **Daily** |
| Size | 64 MB | 83 MB |
| Requires iOS | **8.1** | 13.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 17+ |
| Developer | [Ruslan Goncharenko](https://appshunter.io/developer/934710362) | [Virtual Projects Oyun Yazilim Ve Teknoloji](https://appshunter.io/developer/1327820445) |

## 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


### Ball Tree

[App page](https://appshunter.io/ios/app/ball-tree/id6670758334)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Brain training. Remember seq free?

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

### Is Ball Tree free?

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

### Do Brain training. Remember seq or Ball Tree have ads?

Both Brain training. Remember seq and Ball Tree show ads.

### Which is updated more often, Brain training. Remember seq or Ball Tree?

Brain training. Remember seq ships an update every 17 months, and Ball Tree daily. Most recently, Brain training. Remember seq was updated on October 4, 2026 and Ball Tree on October 17, 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.*