# RIoT System vs Spradow Logger

The clearest difference is update cadence: Spradow Logger at every 4 weeks against RIoT System's every 3 months. Spradow Logger also leads on device support (3 vs 1) and iOS requirement (13.0 vs 16.0). On price, 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.

RIoT System ships an update every 3 months, Spradow Logger every 4 weeks. The most recent releases landed on September 21, 2026 and September 11, 2026 respectively.

## The numbers

| Metric | RIoT System | Spradow Logger |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 months | **Every 4 weeks** |
| Size | 38 MB | 29 MB |
| Requires iOS | 16.0 | **13.0** |
| Devices | iPhone | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [RF Solutions Ltd](https://appshunter.io/developer/1611328173) | [Spradow GmbH & Co. KG](https://appshunter.io/developer/1805877915) |

## What reviewers say

### RIoT System

[App page](https://appshunter.io/ios/app/riot-system/id6737235434)

**In-app purchases:** none


### Spradow Logger

[App page](https://appshunter.io/ios/app/spradow-logger/id6744066209)

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is RIoT System free?

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

### Is Spradow Logger free?

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

### Do RIoT System or Spradow Logger have ads?

Neither RIoT System nor Spradow Logger shows ads.

### Which is updated more often, RIoT System or Spradow Logger?

RIoT System ships an update every 3 months, and Spradow Logger every 4 weeks. Most recently, RIoT System was updated on September 21, 2026 and Spradow Logger on September 11, 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.*