# Bx3 vs Self

The clearest difference is in-app purchases: Bx3 at none against Self's 5. Bx3 also leads on iOS requirement (13.4 vs 15.0). Self's advantage is update cadence (every 8 days vs every 3 weeks). On price, ads and device support there is nothing between them.

Both are free to download. Self sells 5 one-off in-app purchases. Bx3 asks for nothing beyond the download.

Bx3 ships an update every 3 weeks, Self every 8 days. The most recent releases landed on September 17, 2026 and September 10, 2026 respectively.

## The numbers

| Metric | Bx3 | Self |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 3 weeks | **Every 8 days** |
| Size | 23 MB | 41 MB |
| Requires iOS | **13.4** | 15.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 17+ | 4+ |
| Developer | [Mark Brion](https://appshunter.io/developer/1656367223) | [F.R. - CUIDADOS DE SAUDE, LDA](https://appshunter.io/developer/1568299411) |

## What reviewers say

### Bx3

[App page](https://appshunter.io/ios/app/bx3/id6444718484)

**Features:** macOS Compatibility

**In-app purchases:** none


### Self

[App page](https://appshunter.io/ios/app/self-esteem-test/id6584518347)

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

**In-app purchases (5)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Remove Ads | $0.99 | one-time |
| Personality Test Pack | $1.99 | one-time |
| Mental Health Test Pack | $1.99 | one-time |
| Relationships Test Pack | $1.99 | one-time |
| Unlock All Tests | $3.99 | one-time |


## Frequently asked questions

### Is Bx3 free?

Bx3 is free to download, with no in-app purchases.

### Is Self free?

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

### Do Bx3 or Self have ads?

Neither Bx3 nor Self shows ads.

### Which is updated more often, Bx3 or Self?

Bx3 ships an update every 3 weeks, and Self every 8 days. Most recently, Bx3 was updated on September 17, 2026 and Self on September 10, 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.*