# Stellr vs Rotary Mod

The clearest difference is rating: Rotary Mod at 4.3 against Stellr's 3.4. Rotary Mod also leads on update cadence (every 3 months vs every 40 months) and review sentiment (80% vs 67%). Stellr's advantage is price ($4.99 vs $7.99). On ratings volume, ads, in-app purchases and monetization model there is nothing between them.

Stellr costs $4.99 and Rotary Mod $7.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Rotary Mod holds the better App Store score, 4.3 against 3.4. Both are backed by a comparable volume of ratings — 9 and 23 respectively. Written reviews point the same way: 67% of Stellr's written reviews are positive against 80% of Rotary Mod's.

Stellr ships an update every 40 months, Rotary Mod every 3 months. The most recent releases landed on November 2, 2026 and November 3, 2026 respectively.

## The numbers

| Metric | Stellr | Rotary Mod |
| --- | --- | --- |
| Price | **$4.99** | $7.99 |
| Rating | [3.4 (9 ratings)](https://appshunter.io/ios/app/stellr/id1448350913/reviews) | **[4.3 (23 ratings)](https://appshunter.io/ios/app/rotary-mod/id1463786028/reviews)** |
| Number of ratings | 9 | **23** |
| Positive reviews | 66.7% of reviews | **80.0% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 40 months | **Every 3 months** |
| Monetization | Paid | Paid |
| Size | 26 MB | 24 MB |
| Requires iOS | 12.0 | **11.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [BACKPULLVER SOFTWARE LTD OOD](https://appshunter.io/developer/1035157788) | [Eventide](https://appshunter.io/developer/546518026) |

## What reviewers say

### Stellr

[App page](https://appshunter.io/ios/app/stellr/id1448350913)

Create deep, ethereal ambiance with a pitch-shifter, dual delays, and reverb. Explore sonic possibilities with 15 presets, randomization, and parameter automation. Enhance your music with a new dimension of sound.

**Highlights:** Pitch shifter with fine-tuning or semitone snap, Two independent delays for complex feedback, LFO modulation and various reverb types, Pre-gain and dry/wet level control, Audio Unit Extension, Audiobus, Inter-App Audio support, 15 built-in presets with import/export, Realtime frequency spectrum visualizer

**Features:** macOS Compatibility

**In-app purchases:** none


### Rotary Mod

[App page](https://appshunter.io/ios/app/rotary-mod/id1463786028)

This app emulates a Leslie speaker, creating a pulsing vibrato effect for instruments and vocals. It offers precise control over rotor and horn speeds, cabinet size, and includes advanced features like frequency modulation and a unique Ribbon control for simultaneous parameter adjustments.

**Highlights:** Independent rotor and horn speed control, Frequency modulation with secondary LFO, Selectable cabinet size (Standard/Giant), Hicut control for tone shaping, Tap Tempo for BPM sync, Innovative Ribbon control, Mix Lock for preset scrolling

**In-app purchases:** none


## Frequently asked questions

### Is Stellr free?

Stellr costs $4.99, with no in-app purchases.

### Is Rotary Mod free?

Rotary Mod costs $7.99, with no in-app purchases.

### Which has better reviews, Stellr or Rotary Mod?

Rotary Mod is rated higher. Stellr averages 3.4 out of 5 from 9 ratings, while Rotary Mod averages 4.3 from 23 ratings.

### Do Stellr or Rotary Mod have ads?

Neither Stellr nor Rotary Mod shows ads.

### Which is updated more often, Stellr or Rotary Mod?

Stellr ships an update every 40 months, and Rotary Mod every 3 months. Most recently, Stellr was updated on November 2, 2026 and Rotary Mod on November 3, 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.*