# DataSMS vs Fidens

The clearest difference is device support: Fidens at 4 against DataSMS's 1. Fidens also leads on iOS requirement (14.0 vs 16.0). On price, update cadence, ads and in-app purchases there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

DataSMS ships an update every 2 months, Fidens every 6 weeks. The most recent releases landed on September 21, 2026 and September 16, 2026 respectively.

## The numbers

| Metric | DataSMS | Fidens |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 6 weeks** |
| Size | 55 MB | 8 MB |
| Requires iOS | 16.0 | **14.0** |
| Devices | iPhone | **iPhone, iPad, iPod, Apple Watch** |
| Age rating | 4+ | 4+ |
| Developer | [DATASYS s.r.o.](https://appshunter.io/developer/1495816002) | [Vaclav Kokoska](https://appshunter.io/developer/1521894688) |

## What reviewers say

### DataSMS

[App page](https://appshunter.io/ios/app/datasms/id1490109768)

**In-app purchases:** none


### Fidens

[App page](https://appshunter.io/ios/app/fidens/id1521894686)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is DataSMS free?

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

### Is Fidens free?

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

### Do DataSMS or Fidens have ads?

Neither DataSMS nor Fidens shows ads.

### Which is updated more often, DataSMS or Fidens?

DataSMS ships an update every 2 months, and Fidens every 6 weeks. Most recently, DataSMS was updated on September 21, 2026 and Fidens on September 16, 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.*