# RAyTools vs SDRFE Spectrum Analyser

The clearest difference is update cadence: SDRFE Spectrum Analyser at every 9 days against RAyTools's every 4 months. RAyTools's advantage is iOS requirement (15.1 vs 18.6). 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, SDRFE Spectrum Analyser every 9 days. The most recent releases landed on October 5, 2026 and October 15, 2026 respectively.

## The numbers

| Metric | RAyTools | SDRFE Spectrum Analyser |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 4 months | **Every 9 days** |
| Size | 38 MB | 4 MB |
| Requires iOS | **15.1** | 18.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [RACOM s.r.o.](https://appshunter.io/developer/1279358254) | [XionLogic Limited](https://appshunter.io/developer/1855294139) |

## What reviewers say

### RAyTools

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

**Features:** macOS Compatibility

**In-app purchases:** none


### SDRFE Spectrum Analyser

[App page](https://appshunter.io/ios/app/sdrfe-spectrum-analyser/id6758634671)

**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 SDRFE Spectrum Analyser free?

SDRFE Spectrum Analyser is free to download, with no in-app purchases.

### Do RAyTools or SDRFE Spectrum Analyser have ads?

Neither RAyTools nor SDRFE Spectrum Analyser shows ads.

### Which is updated more often, RAyTools or SDRFE Spectrum Analyser?

RAyTools ships an update every 4 months, and SDRFE Spectrum Analyser every 9 days. Most recently, RAyTools was updated on October 5, 2026 and SDRFE Spectrum Analyser on October 15, 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.*