# Mersenne vs TB Flowtones

The clearest difference is update cadence: Mersenne at monthly against TB Flowtones's every 3 months. Mersenne also leads on price ($8.00 vs $9.99). On rating, review sentiment, ratings volume and ads there is nothing between them.

Mersenne costs $8.00 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 — 4.7 for Mersenne against 4.7 for TB Flowtones. Both are backed by a comparable volume of ratings — 28 and 39 respectively. Written reviews are what separate them: 88% of Mersenne's written reviews are positive against 83% of TB Flowtones's.

Mersenne ships an update monthly, TB Flowtones every 3 months. Both last shipped on October 24, 2026.

## The numbers

| Metric | Mersenne | TB Flowtones |
| --- | --- | --- |
| Price | **$8.00** | $9.99 |
| Rating | **[4.7 (28 ratings)](https://appshunter.io/ios/app/mersenne-auv3-plug-in-synth/id1084197093/reviews)** | [4.7 (39 ratings)](https://appshunter.io/ios/app/tb-flowtones/id1576472437/reviews) |
| Number of ratings | 28 | **39** |
| Positive reviews | **87.5% of reviews** | 82.9% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Monthly** | Every 3 months |
| Monetization | Paid | Paid |
| Size | 11 MB | 17 MB |
| Requires iOS | **12.0** | 13.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [iceWorks, Inc.](https://appshunter.io/developer/347507439) | [ToneBoosters](https://appshunter.io/developer/1472446500) |

## What reviewers say

### Mersenne

[App page](https://appshunter.io/ios/app/mersenne-auv3-plug-in-synth/id1084197093)

This app is an AUv3-compatible synthesizer designed to create bell-like metallic sounds. It combines FM synthesis, a noise generator, and a resonator for crafting clear tones and complex metallic textures.

**Highlights:** AUv3-compatible synthesizer, Dual FM synthesis modules, Noise generator, Resonator, Metallic sound design, Bell-like tones

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

**In-app purchases:** none


### TB Flowtones

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

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 Mersenne free?

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

### Is TB Flowtones free?

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

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

Mersenne is rated higher. Mersenne averages 4.7 out of 5 from 28 ratings, while TB Flowtones averages 4.7 from 39 ratings.

### Do Mersenne or TB Flowtones have ads?

Neither Mersenne nor TB Flowtones shows ads.

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

Mersenne ships an update monthly, and TB Flowtones every 3 months. Most recently, Mersenne was updated on October 24, 2026 and TB Flowtones 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.*