# RT60 vs SA60

The clearest difference is price: SA60 at Free against RT60's $34.99. SA60 also leads on rating (5.0 vs 3.4) and review sentiment (83% vs 67%). RT60's advantage is in-app purchases (none vs 1). On ratings volume, update cadence, ads and device support there is nothing between them.

SA60 is free to download; RT60 costs $34.99 up front. SA60 sells 1 one-off in-app purchase. RT60 asks for nothing beyond the download.

SA60 holds the better App Store score, 5.0 against 3.4. Both are backed by a comparable volume of ratings — 5 and 11 respectively. Written reviews point the same way: 67% of RT60's written reviews are positive against 83% of SA60's.

RT60 ships an update every 6 months, SA60 every 5 months. The most recent releases landed on September 21, 2026 and August 20, 2026 respectively.

## The numbers

| Metric | RT60 | SA60 |
| --- | --- | --- |
| Price | $34.99 | **Free** |
| Rating | [3.4 (5 ratings)](https://appshunter.io/ios/app/rt60/id298840320/reviews) | **[5.0 (11 ratings)](https://appshunter.io/ios/app/sa60/id1509708451/reviews)** |
| Number of ratings | 5 | **11** |
| Positive reviews | 66.7% of reviews | **83.3% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 6 months | **Every 5 months** |
| Monetization | Paid | **Free with in-app purchases** |
| Size | 27 MB | 22 MB |
| Requires iOS | 15.0 | **10.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Andrew Smith](https://appshunter.io/developer/291822462) | [RRS, OOO](https://appshunter.io/developer/1486125568) |

## What reviewers say

### RT60

[App page](https://appshunter.io/ios/app/rt60/id298840320)

This tool measures reverb decay time across octave bands using pink noise. It conforms to ISO 3382 standards for room acoustics and can display results from 50ms to 4 seconds. Save measurement graphs for reports.

**Highlights:** Measures reverb decay time, Octave band analysis (63Hz - 4kHz), Conforms to ISO 3382 standard, T20 and T30 measurement methods, Adjustable decay time range (50ms - 4s), Save measurement graphs, Microphone calibration

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

**In-app purchases:** none


### SA60

[App page](https://appshunter.io/ios/app/sa60/id1509708451)

This audio tool functions as a spectrum analyzer and graphic equalizer, offering real-time analysis and precise sound manipulation. It provides a demo version with limited play time, with an unlimited version available as an in-app purchase.

**Highlights:** Standalone and AUv3 plugin, Stereo, Mid, or Side EQ modes, Undo/Redo functionality, A/B comparison, Upsampling options, Macro controllers, Built-in Gain Match

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| RRS SA60 Unlimited | $4.99 | one-time |


## Frequently asked questions

### Is RT60 free?

RT60 costs $34.99, with no in-app purchases.

### Is SA60 free?

SA60 is free to download, with in-app purchases available.

### Which has better reviews, RT60 or SA60?

SA60 is rated higher. RT60 averages 3.4 out of 5 from 5 ratings, while SA60 averages 5.0 from 11 ratings.

### Do RT60 or SA60 have ads?

Neither RT60 nor SA60 shows ads.

### Which is updated more often, RT60 or SA60?

RT60 ships an update every 6 months, and SA60 every 5 months. Most recently, RT60 was updated on September 21, 2026 and SA60 on August 20, 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.*