# ČEZ DataSMS vs ŠA DataSMS Public

The clearest difference is update cadence: ŠA DataSMS Public at every 6 weeks against ČEZ DataSMS's every 4 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.

ČEZ DataSMS ships an update every 4 months, ŠA DataSMS Public every 6 weeks. The most recent releases landed on October 12, 2026 and September 22, 2026 respectively.

## The numbers

| Metric | ČEZ DataSMS | ŠA DataSMS Public |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 50.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 4 months | **Every 6 weeks** |
| Monetization | Free | — |
| Size | 31 MB | 74 MB |
| Requires iOS | 16.0 | 16.0 |
| Devices | iPhone | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [CEZ ESCO a.s.](https://appshunter.io/developer/1823921907) | [DATASYS s.r.o.](https://appshunter.io/developer/1495816002) |

## What reviewers say

### ČEZ DataSMS

[App page](https://appshunter.io/ios/app/cez-datasms/id1451696980)

This utility app facilitates communication through data messages. It allows users to send and receive information using their mobile data connection.

**Highlights:** Data message communication, Send data messages, Receive data messages, Mobile data utilization

**Features:** macOS Compatibility

**In-app purchases:** none


### ŠA DataSMS Public

[App page](https://appshunter.io/ios/app/sa-datasms-public/id1621483551)

**Features:** Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is ČEZ DataSMS free?

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

### Is ŠA DataSMS Public free?

ŠA DataSMS Public is free to download, with no in-app purchases.

### Do ČEZ DataSMS or ŠA DataSMS Public have ads?

Neither ČEZ DataSMS nor ŠA DataSMS Public shows ads.

### Which is updated more often, ČEZ DataSMS or ŠA DataSMS Public?

ČEZ DataSMS ships an update every 4 months, and ŠA DataSMS Public every 6 weeks. Most recently, ČEZ DataSMS was updated on October 12, 2026 and ŠA DataSMS Public on September 22, 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.*