# Kronecker vs RM

The clearest difference is update cadence: Kronecker at monthly against RM's every 10 months. Kronecker also leads on rating (4.8 vs 4.5) and review sentiment (89% vs 67%). RM's advantage is price ($3.99 vs $8.00) and iOS requirement (9.0 vs 12.0). On ratings volume, ads, in-app purchases and monetization model there is nothing between them.

Kronecker costs $8.00 and RM $3.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Kronecker holds the better App Store score, 4.8 against 4.5. Both are backed by a comparable volume of ratings — 33 and 19 respectively. Written reviews point the same way: 89% of Kronecker's written reviews are positive against 67% of RM's.

Kronecker ships an update monthly, RM every 10 months. Both last shipped on October 24, 2026.

## The numbers

| Metric | Kronecker | RM |
| --- | --- | --- |
| Price | $8.00 | **$3.99** |
| Rating | **[4.8 (33 ratings)](https://appshunter.io/ios/app/kronecker-auv3-plug-in-synth/id1371863334/reviews)** | [4.5 (19 ratings)](https://appshunter.io/ios/app/rm-1-wave-modulator/id1436855751/reviews) |
| Number of ratings | **33** | 19 |
| Positive reviews | **88.9% of reviews** | 66.7% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Monthly** | Every 10 months |
| Monetization | Paid | Paid |
| Size | 9 MB | 35 MB |
| Requires iOS | 12.0 | **9.0** |
| Devices | **iPhone, iPad, iPod** | iPad |
| Age rating | 4+ | 4+ |
| Developer | [iceWorks, Inc.](https://appshunter.io/developer/347507439) | [Kai Aras](https://appshunter.io/developer/370820899) |

## What reviewers say

### Kronecker

[App page](https://appshunter.io/ios/app/kronecker-auv3-plug-in-synth/id1371863334)

This synthesizer uses a unique rhythm machine-like mechanism to trigger tones when a key is pressed, offering direct control over timing and sound without traditional sequencers. Explore its innovative approach to rhythmic music creation.

**Highlights:** AUv3 compatible synthesizer, Rhythm machine-like triggering, Key-press driven sound generation, Direct control over timing, Unique rhythmic tone generation

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

**In-app purchases:** none


### RM

[App page](https://appshunter.io/ios/app/rm-1-wave-modulator/id1436855751)

This audio effect app offers versatile modulation capabilities, including ring, amplitude, phase, and frequency modulation. It features a built-in carrier oscillator, multimode filter, envelope follower, and LFO for creating unique sounds. It can be used standalone or with other audio apps.

**Highlights:** Multiple modulation types (Ring, AM, FM, Phase), Built-in carrier oscillator, Multimode filter (LP, HP, BP), Envelope follower and LFO, Standalone and IAA/Audiobus support, AUv3 plugin compatibility

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Kronecker free?

Kronecker costs $8.00, with no in-app purchases.

### Is RM free?

RM costs $3.99, with no in-app purchases.

### Which has better reviews, Kronecker or RM?

Kronecker is rated higher. Kronecker averages 4.8 out of 5 from 33 ratings, while RM averages 4.5 from 19 ratings.

### Do Kronecker or RM have ads?

Neither Kronecker nor RM shows ads.

### Which is updated more often, Kronecker or RM?

Kronecker ships an update monthly, and RM every 10 months. Most recently, Kronecker was updated on October 24, 2026 and RM 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.*