# Datovka.cz vs Thetis Tools

The clearest difference is update cadence: Datovka.cz at every 6 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.

Datovka.cz ships an update every 6 weeks, Thetis Tools every 7 months. The most recent releases landed on September 22, 2026 and September 10, 2026 respectively.

## The numbers

| Metric | Datovka.cz | Thetis Tools |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.4 (41 ratings)](https://appshunter.io/ios/app/datovkacz/id1185445299/reviews)** | — |
| Number of ratings | **41** | — |
| Positive reviews | 16.7% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 6 weeks** | Every 7 months |
| Monetization | Free | — |
| Size | 37 MB | 50 MB |
| Requires iOS | 14.0 | 14.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [CZ.NIC, z.s.p.o.](https://appshunter.io/developer/386775306) | [Thetis srl](https://appshunter.io/developer/397584184) |

## What reviewers say

### Datovka.cz

[App page](https://appshunter.io/ios/app/datovkacz/id1185445299)

Manage your Czech Republic data mailboxes on the go. Check mailbox status, read messages, create and send data messages, and forward attachments. It also allows searching for data mailboxes and submitting electronic filings for public administration services.

**Highlights:** Check data mailbox status, Read received and sent messages, Create and send data messages, Forward messages and attachments, Export messages, Search for data mailboxes, Submit electronic filings

**In-app purchases:** none


### Thetis Tools

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

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Datovka.cz free?

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

### Is Thetis Tools free?

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

### Do Datovka.cz or Thetis Tools have ads?

Neither Datovka.cz nor Thetis Tools shows ads.

### Which is updated more often, Datovka.cz or Thetis Tools?

Datovka.cz ships an update every 6 weeks, and Thetis Tools every 7 months. Most recently, Datovka.cz was updated on September 22, 2026 and Thetis Tools 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.*