# RAyTools vs DSS Preuse Inspection

The clearest difference is update cadence: RAyTools at every 4 months against DSS Preuse Inspection's every 11 months. DSS Preuse Inspection's advantage is iOS requirement (13.4 vs 15.1). 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.

RAyTools ships an update every 4 months, DSS Preuse Inspection every 11 months. The most recent releases landed on September 18, 2026 and August 21, 2026 respectively.

## The numbers

| Metric | RAyTools | DSS Preuse Inspection |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 4 months** | Every 11 months |
| Size | 38 MB | 26 MB |
| Requires iOS | 15.1 | **13.4** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [RACOM s.r.o.](https://appshunter.io/developer/1279358254) | [CoreRFID](https://appshunter.io/developer/1193252576) |

## What reviewers say

### RAyTools

[App page](https://appshunter.io/ios/app/raytools/id1667871328)

**Features:** macOS Compatibility

**In-app purchases:** none


### DSS Preuse Inspection

[App page](https://appshunter.io/ios/app/dss-preuse-inspection/id6526492106)

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

**In-app purchases:** none


## Frequently asked questions

### Is RAyTools free?

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

### Is DSS Preuse Inspection free?

DSS Preuse Inspection is free to download, with no in-app purchases.

### Do RAyTools or DSS Preuse Inspection have ads?

Neither RAyTools nor DSS Preuse Inspection shows ads.

### Which is updated more often, RAyTools or DSS Preuse Inspection?

RAyTools ships an update every 4 months, and DSS Preuse Inspection every 11 months. Most recently, RAyTools was updated on September 18, 2026 and DSS Preuse Inspection on August 21, 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.*