# BrainBull vs BrainKeeper

The clearest difference is rating: BrainKeeper at 5.0 against BrainBull's 4.0. BrainKeeper also leads on in-app purchases (none vs 2) and update cadence (fortnightly vs every 3 months). BrainBull's advantage is iOS requirement (12.0 vs 14.1). On price, review sentiment, ratings volume and ads there is nothing between them.

Both are free to download. BrainBull sells 2 one-off in-app purchases. BrainKeeper asks for nothing beyond the download.

BrainKeeper holds the better App Store score, 5.0 against 4.0. Both are backed by a comparable volume of ratings — 2 and 1 respectively. Written reviews split almost evenly too, at 100% and 100% positive.

BrainBull ships an update every 3 months, BrainKeeper fortnightly. The most recent releases landed on October 2, 2026 and October 15, 2026 respectively.

## The numbers

| Metric | BrainBull | BrainKeeper |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.0 (2 ratings)](https://appshunter.io/ios/app/brainbull/id849822118/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/brainkeeper/id1578953731/reviews)** |
| Number of ratings | **2** | 1 |
| Positive reviews | 100.0% of reviews | 100.0% of reviews |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 3 months | **Fortnightly** |
| Monetization | Free with in-app purchases | **Free** |
| Size | 5 MB | 5 MB |
| Requires iOS | **12.0** | 14.1 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Duo Pisceses, Inc.](https://appshunter.io/developer/850707063) | [Kamil Suleimanov](https://appshunter.io/developer/1530811067) |

## What reviewers say

### BrainBull

[App page](https://appshunter.io/ios/app/brainbull/id849822118)

Engage in a fun game designed to enhance your brain and memory power. This game helps maintain mental sharpness and can be played by everyone, with gradually increasing difficulty levels. Track your progress and challenge friends to see who can achieve the highest score.

**Highlights:** Boosts brain and memory power, Prevents memory loss, Gradually increasing difficulty, Tracks progress, Challenges friends, Improves mental sharpness

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Unlock all Levels | $0.99 | one-time |
| No Ads | $2.99 | one-time |


### BrainKeeper

[App page](https://appshunter.io/ios/app/brainkeeper/id1578953731)

Engage in daily, quick brain exercises designed to sharpen your mind and improve memory. This program offers three difficulty levels to challenge users and help prevent cognitive aging. Consistent use for 60 days can lead to noticeable improvements in mental acuity.

**Highlights:** Daily brain exercises, Memory improvement, Cognitive aging prevention, Less than 5 minutes per workout, Three difficulty levels, No ads or subscriptions

**In-app purchases:** none


## Frequently asked questions

### Is BrainBull free?

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

### Is BrainKeeper free?

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

### Which has better reviews, BrainBull or BrainKeeper?

BrainKeeper is rated higher. BrainBull averages 4.0 out of 5 from 2 ratings, while BrainKeeper averages 5.0 from 1 ratings.

### Do BrainBull or BrainKeeper have ads?

Neither BrainBull nor BrainKeeper shows ads.

### Which is updated more often, BrainBull or BrainKeeper?

BrainBull ships an update every 3 months, and BrainKeeper fortnightly. Most recently, BrainBull was updated on October 2, 2026 and BrainKeeper on October 15, 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.*