# Thetis Tools vs b.lock Pro

The clearest difference is update cadence: b.lock Pro at every 3 months against Thetis Tools's every 7 months. On price, ads, 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.

Thetis Tools ships an update every 7 months, b.lock Pro every 3 months. The most recent releases landed on September 10, 2026 and June 1, 2026 respectively.

## The numbers

| Metric | Thetis Tools | b.lock Pro |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 7 months | **Every 3 months** |
| Size | 50 MB | 95 MB |
| Requires iOS | **14.0** | 15.4 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Thetis srl](https://appshunter.io/developer/397584184) | [KTS – Kommunikationstechnik und Systeme GmbH](https://appshunter.io/developer/1410114482) |

## What reviewers say

### Thetis Tools

[App page](https://appshunter.io/ios/app/thetis-tools/id1460268980)

**Features:** macOS Compatibility

**In-app purchases:** none


### b.lock Pro

[App page](https://appshunter.io/ios/app/block-pro/id1512733854)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Thetis Tools free?

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

### Is b.lock Pro free?

b.lock Pro is free to download, with no in-app purchases.

### Do Thetis Tools or b.lock Pro have ads?

Neither Thetis Tools nor b.lock Pro shows ads.

### Which is updated more often, Thetis Tools or b.lock Pro?

Thetis Tools ships an update every 7 months, and b.lock Pro every 3 months. Most recently, Thetis Tools was updated on September 10, 2026 and b.lock Pro on June 1, 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.*