# RM vs TB Flowtones

The clearest difference is update cadence: TB Flowtones at every 3 months against RM's every 10 months. TB Flowtones also leads on review sentiment (83% vs 67%) and chart position (#188 vs unranked). RM's advantage is iOS requirement (9.0 vs 13.0). On price, rating, ratings volume and ads there is nothing between them.

RM costs $9.99 and TB Flowtones $9.99 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 — 4.6 for RM against 4.7 for TB Flowtones. Both are backed by a comparable volume of ratings — 18 and 39 respectively. Written reviews are what separate them: 67% of RM's written reviews are positive against 83% of TB Flowtones's.

RM ships an update every 10 months, TB Flowtones every 3 months. The most recent releases landed on September 19, 2026 and September 26, 2026 respectively.

## The numbers

| Metric | RM | TB Flowtones |
| --- | --- | --- |
| Price | $9.99 | $9.99 |
| Rating | [4.6 (18 ratings)](https://appshunter.io/ios/app/rm-1-wave-modulator/id1436855751/reviews) | **[4.7 (39 ratings)](https://appshunter.io/ios/app/tb-flowtones/id1576472437/reviews)** |
| Number of ratings | 18 | **39** |
| Positive reviews | 66.7% of reviews | **82.9% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 10 months | **Every 3 months** |
| Monetization | Paid | Paid |
| Best chart rank | — | **#188** |
| Size | 35 MB | 17 MB |
| Requires iOS | **9.0** | 13.0 |
| Devices | iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Kai Aras](https://appshunter.io/developer/370820899) | [ToneBoosters](https://appshunter.io/developer/1472446500) |

## What reviewers say

### 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


### TB Flowtones

[App page](https://appshunter.io/ios/app/tb-flowtones/id1576472437)

**Currently charting:** #188 Top Paid · Music (US App Store)

This virtual analog synthesizer app offers a true VA synthesis engine with analog-modeled filters and extensive modulation options. Create warm, analog-sounding music with a powerful architecture, diverse waveforms, and pro-grade effects. It also includes an integrated step sequencer and hundreds of presets.

**Highlights:** True virtual analog synthesis engine, Analog-modelled non-linear filters, Extensive modulation options, Pro-grade studio effects, Integrated step sequencer, Hundreds of presets and intelligent randomizer

**In-app purchases:** none


## Frequently asked questions

### Is RM free?

RM costs $9.99, with no in-app purchases.

### Is TB Flowtones free?

TB Flowtones costs $9.99, with no in-app purchases.

### Which has better reviews, RM or TB Flowtones?

TB Flowtones is rated higher. RM averages 4.6 out of 5 from 18 ratings, while TB Flowtones averages 4.7 from 39 ratings.

### Do RM or TB Flowtones have ads?

Neither RM nor TB Flowtones shows ads.

### Which is updated more often, RM or TB Flowtones?

RM ships an update every 10 months, and TB Flowtones every 3 months. Most recently, RM was updated on September 19, 2026 and TB Flowtones on September 26, 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.*