# Brain Exercise Initiative vs Serial 7s

The clearest difference is ads: Brain Exercise Initiative at none against Serial 7s's shown. Brain Exercise Initiative also leads on ratings volume (23 vs 1) and monetization model (free vs ad-supported). On price, rating, 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.

On the App Store both sit at effectively the same score — 5.0 for Brain Exercise Initiative against 5.0 for Serial 7s. That said, the two scores are not equally well evidenced: Brain Exercise Initiative has 23 ratings behind it against 1, so its average is the more settled of the two.

## The numbers

| Metric | Brain Exercise Initiative | Serial 7s |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [5.0 (23 ratings)](https://appshunter.io/ios/app/brain-exercise-initiative/id1532473364/reviews) | [5.0 (1 ratings)](https://appshunter.io/ios/app/serial-7s/id6480178276/reviews) |
| Number of ratings | **23** | 1 |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | — | Every 5 months |
| Monetization | **Free** | Ad-supported |
| Size | 84 MB | 42 MB |
| Requires iOS | **10.0** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 9+ | 9+ |
| Developer | [Hack4Impact](https://appshunter.io/developer/1532473367) | [HFX Lab](https://appshunter.io/developer/1139262927) |

## What reviewers say

### Brain Exercise Initiative

[App page](https://appshunter.io/ios/app/brain-exercise-initiative/id1532473364)

This application provides daily mental exercises designed to enhance cognitive function in Alzheimer's patients. Sessions include math, reading, and writing activities that adapt in difficulty based on performance.

**Highlights:** Daily mental exercises, Math, reading, and writing activities, Adaptive difficulty, Research-backed approach, Cognitive function improvement

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

**In-app purchases:** none


### Serial 7s

[App page](https://appshunter.io/ios/app/serial-7s/id6480178276)

This game challenges you to rapidly subtract 7 from a starting number until you can no longer continue. It's based on a cognitive test used to assess attention and memory, with consistent play potentially improving brain skills and helping to prevent cognitive decline.

**Highlights:** Serial 7 subtraction gameplay, Tests attention and memory, Helps prevent cognitive decline, Measures subtraction speed, Randomized starting numbers

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

**In-app purchases:** none


## Frequently asked questions

### Is Brain Exercise Initiative free?

Brain Exercise Initiative is free to download, with no in-app purchases.

### Is Serial 7s free?

Serial 7s is free to download, with no in-app purchases.

### Which has better reviews, Brain Exercise Initiative or Serial 7s?

Brain Exercise Initiative and Serial 7s are both rated 5.0 out of 5 on the App Store, from 23 and 1 ratings respectively.

### Do Brain Exercise Initiative or Serial 7s have ads?

Serial 7s shows ads; Brain Exercise Initiative does not.

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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.*