# MuSA_RT vs NoLimits2

MuSA_RT and NoLimits2 both sit at 5.0 stars, but that hides the real split: 100% of NoLimits2's written reviews are positive against 0% of MuSA_RT's. NoLimits2 also leads on ratings volume (5 vs 1) and iOS requirement (11 vs 15.6). MuSA_RT's advantage is price (Free vs $12.99) and update cadence (every 3 months vs every 26 months). On rating, ads, in-app purchases and device support there is nothing between them.

MuSA_RT is free to download; NoLimits2 costs $12.99 up front. Neither carries in-app purchases, so what you see is what you pay.

On the App Store both sit at effectively the same score — 5.0 for MuSA_RT against 5.0 for NoLimits2. That said, the two scores are not equally well evidenced: NoLimits2 has 5 ratings behind it against 1, so its average is the more settled of the two. Written reviews are what separate them: 0% of MuSA_RT's written reviews are positive against 100% of NoLimits2's.

MuSA_RT ships an update every 3 months, NoLimits2 every 26 months. The most recent releases landed on October 22, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | MuSA_RT | NoLimits2 |
| --- | --- | --- |
| Price | **Free** | $12.99 |
| Rating | [5.0 (1 ratings)](https://appshunter.io/ios/app/musa-rt/id506866959/reviews) | [5.0 (5 ratings)](https://appshunter.io/ios/app/nolimits2/id6470018404/reviews) |
| Number of ratings | 1 | **5** |
| Positive reviews | 0.0% of reviews | **100.0% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 3 months** | Every 26 months |
| Monetization | **Free** | Paid |
| Size | 3 MB | 163 MB |
| Requires iOS | 15.6 | **11** |
| Devices | **iPhone, iPad, iPod, Mac** | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Alexandre Francois](https://appshunter.io/developer/506866962) | [Christian Siedschlag](https://appshunter.io/developer/538434682) |

## What reviewers say

### MuSA_RT

[App page](https://appshunter.io/ios/app/musa-rt/id506866959)

This app visualizes music tonality in 3D using advanced algorithms. It analyzes audio from your microphone to identify chords and keys, displaying them with a rotating camera or in augmented reality.

**Highlights:** 3D tonality visualization, Audio analysis for pitch and context, Chord and key identification, Augmented Reality mode, Smooth camera rotation for unobstructed views

**In-app purchases:** none


### NoLimits2

[App page](https://appshunter.io/ios/app/nolimits2/id6470018404)

This high-end audio plugin offers advanced limiting capabilities for music production. It provides multiple algorithms for diverse sounds, from clean to saturated, with fine-tuning controls and LUFS metering. Compatible with major iOS music hosts.

**Highlights:** 4 distinct limiting algorithms, Clean to saturated sound options, Adjustable attack, release, and lookahead, Up to 8x oversampling, Stereo channel linking, LUFS loudness metering

**In-app purchases:** none


## Frequently asked questions

### Is MuSA_RT free?

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

### Is NoLimits2 free?

NoLimits2 costs $12.99, with no in-app purchases.

### Which has better reviews, MuSA_RT or NoLimits2?

MuSA_RT and NoLimits2 are both rated 5.0 out of 5 on the App Store, from 1 and 5 ratings respectively.

### Do MuSA_RT or NoLimits2 have ads?

Neither MuSA_RT nor NoLimits2 shows ads.

### Which is updated more often, MuSA_RT or NoLimits2?

MuSA_RT ships an update every 3 months, and NoLimits2 every 26 months. Most recently, MuSA_RT was updated on October 22, 2026 and NoLimits2 on October 24, 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.*