# Brain Hack Crew vs Bio Habit Tracker

The clearest difference is in-app purchases: Bio Habit Tracker at none against Brain Hack Crew's 9. Bio Habit Tracker also leads on device support (3 vs 1) and iOS requirement (15.1 vs 17.6). Brain Hack Crew's advantage is update cadence (every 5 days vs fortnightly). On price and ads there is nothing between them.

Both are free to download. Brain Hack Crew sells 9 in-app purchases, starting at $19.99 per 3 months. Bio Habit Tracker asks for nothing beyond the download.

Brain Hack Crew ships an update every 5 days, Bio Habit Tracker fortnightly. The most recent releases landed on November 5, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | Brain Hack Crew | Bio Habit Tracker |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 5 days** | Fortnightly |
| Size | 5 MB | 187 MB |
| Requires iOS | 17.6 | **15.1** |
| Devices | iPhone | **iPhone, iPad, iPod** |
| Age rating | 17+ | 4+ |
| Developer | [Smyno](https://appshunter.io/developer/1037753333) | [Teppei Sasaki](https://appshunter.io/developer/1894648636) |

## What reviewers say

### Brain Hack Crew

[App page](https://appshunter.io/ios/app/brain-hack-crew-boost-mind/id6756010918)

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

**In-app purchases (9)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Individual - Quarterly | $19.99 | per 3 months |
| Couple - Quarterly | $29.99 | per 3 months |
| Individual - Yearly | $39.99 | per year |
| Couple - Yearly | $49.99 | per year |
| Family - Quarterly | $49.99 | per 3 months |
| Family - Yearly | $69.99 | per year |
| Join the Crew | $59.99 | one-time |
| Join the Crew | $69.99 | one-time |
| Join the Crew | $99.99 | one-time |


### Bio Habit Tracker

[App page](https://appshunter.io/ios/app/bio-habit-tracker/id6762551192)

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

**In-app purchases:** none


## Frequently asked questions

### Is Brain Hack Crew free?

Brain Hack Crew is free to download, with in-app purchases available.

### Is Bio Habit Tracker free?

Bio Habit Tracker is free to download, with no in-app purchases.

### Do Brain Hack Crew or Bio Habit Tracker have ads?

Neither Brain Hack Crew nor Bio Habit Tracker shows ads.

### Which is updated more often, Brain Hack Crew or Bio Habit Tracker?

Brain Hack Crew ships an update every 5 days, and Bio Habit Tracker fortnightly. Most recently, Brain Hack Crew was updated on November 5, 2026 and Bio Habit Tracker on October 31, 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.*