# Maximum Externisti vs SelfBlock

The clearest difference is in-app purchases: Maximum Externisti at none against SelfBlock's 3. Maximum Externisti also leads on iOS requirement (13.0 vs 18.6). SelfBlock's advantage is update cadence (monthly vs every 2 months). On price, ads and device support there is nothing between them.

Both are free to download. SelfBlock sells 3 in-app purchases, starting at $4.49 per month. Maximum Externisti asks for nothing beyond the download.

Maximum Externisti ships an update every 2 months, SelfBlock monthly. The most recent releases landed on September 2, 2026 and September 17, 2026 respectively.

## The numbers

| Metric | Maximum Externisti | SelfBlock |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 2 months | **Monthly** |
| Size | 60 MB | 58 MB |
| Requires iOS | **13.0** | 18.6 |
| Devices | iPhone, iPod | iPhone, Apple Watch |
| Age rating | 4+ | 4+ |
| Developer | [AKIP Solutions s.r.o.](https://appshunter.io/developer/1591925338) | [ismail Hakki Palali](https://appshunter.io/developer/1653363899) |

## What reviewers say

### Maximum Externisti

[App page](https://appshunter.io/ios/app/maximum-externisti/id1591925336)

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

**In-app purchases:** none


### SelfBlock

[App page](https://appshunter.io/ios/app/selfblock-screen-time-buddy/id6757798472)

**Features:** macOS Compatibility, Apple Watch app, Vision Pro support

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pro Monthly | $4.49 | per month |
| Pro Yearly | $27.49 | per year |
| Pro Lifetime | $82.99 | one-time |


## Frequently asked questions

### Is Maximum Externisti free?

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

### Is SelfBlock free?

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

### Do Maximum Externisti or SelfBlock have ads?

Neither Maximum Externisti nor SelfBlock shows ads.

### Which is updated more often, Maximum Externisti or SelfBlock?

Maximum Externisti ships an update every 2 months, and SelfBlock monthly. Most recently, Maximum Externisti was updated on September 2, 2026 and SelfBlock on September 17, 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.*