# Thetis Tools vs D

The clearest difference is update cadence: D at every 3 weeks 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, D every 3 weeks. The most recent releases landed on September 10, 2026 and September 24, 2026 respectively.

## The numbers

| Metric | Thetis Tools | D |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 7 months | **Every 3 weeks** |
| Size | 50 MB | 24 MB |
| Requires iOS | **14.0** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Thetis srl](https://appshunter.io/developer/397584184) | [davide Sbreviglieri](https://appshunter.io/developer/562172174) |

## What reviewers say

### Thetis Tools

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

**Features:** macOS Compatibility

**In-app purchases:** none


### D

[App page](https://appshunter.io/ios/app/d-tec/id1509408218)

**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 D free?

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

### Do Thetis Tools or D have ads?

Neither Thetis Tools nor D shows ads.

### Which is updated more often, Thetis Tools or D?

Thetis Tools ships an update every 7 months, and D every 3 weeks. Most recently, Thetis Tools was updated on September 10, 2026 and D on September 24, 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.*