# BrainBoostX vs Tally Rush

The clearest difference is in-app purchases: BrainBoostX at none against Tally Rush's 3. BrainBoostX also leads on iOS requirement (15.1 vs 17.0). Tally Rush's advantage is ads (none vs shown). On price, update cadence and device support there is nothing between them.

Both are free to download. Tally Rush sells 3 one-off in-app purchases. BrainBoostX asks for nothing beyond the download.

BrainBoostX ships an update every 4 days, Tally Rush weekly. The most recent releases landed on October 18, 2026 and October 28, 2026 respectively.

## The numbers

| Metric | BrainBoostX | Tally Rush |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | Yes | **No** |
| Update frequency | **Every 4 days** | Weekly |
| Size | 38 MB | 69 MB |
| Requires iOS | **15.1** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 12+ |
| Developer | [HECTOR FABIAN PINATARES MENDEZ](https://appshunter.io/developer/1746585331) | [Cedric Maloux](https://appshunter.io/developer/687769181) |

## What reviewers say

### BrainBoostX

[App page](https://appshunter.io/ios/app/brainboostx/id6741430789)

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

**In-app purchases:** none


### Tally Rush

[App page](https://appshunter.io/ios/app/tally-rush-mental-math-game/id6790170879)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 15 Tallies | $0.99 | one-time |
| 50 Tallies | $2.99 | one-time |
| 120 Tallies | $5.99 | one-time |


## Frequently asked questions

### Is BrainBoostX free?

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

### Is Tally Rush free?

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

### Do BrainBoostX or Tally Rush have ads?

BrainBoostX shows ads; Tally Rush does not.

### Which is updated more often, BrainBoostX or Tally Rush?

BrainBoostX ships an update every 4 days, and Tally Rush weekly. Most recently, BrainBoostX was updated on October 18, 2026 and Tally Rush on October 28, 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.*