Mersenne vs TB Flowtones
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Mersenne
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.
- AUv3-compatible synthesizer
- Dual FM synthesis modules
- Noise generator
- Resonator
- Metallic sound design
- Bell-like tones
Read full descriptionHide full description
Mersenne is an AUv3-compatible synthesizer that combines two FM synthesis modules, a noise generator, and a resonator to create bell-like metallic sounds. It is specifically designed for crafting both clear tones and complex textures with a distinctive metallic grit, making it an ideal tool for those deeply exploring metallic sound design. For more detailed information about the product, please visit the website. The website offers detailed product descriptions, manuals and videos, as well as important notices. https://icegear.net/
TB Flowtones
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.
- 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
Read full descriptionHide full description
TB Flowtones Virtual Analog Synthesizer app and AUv3 plug-in Thanks to it's true VA synthesis engine, the use of analog-modelled non-linear filters and extensive modulation options, Flowtones sounds warmer and more analog than digital romplers and wavetable-based synths. TB Flowtones comes as stand-alone app as well as AUv3 plugin. True virtual analog synthesis features: - 4 VCO architecture (two voice layers with two VCOs each) - 4 synthesis engine types, in part modelled after famous analog synthesisers - 36 analog VCO waveforms featuring all classic waveforms and more - All VCO waveforms support pulse width modulation - Full stereo and mono unison modes for each VCO independently - Noise and subharmonic oscillators for each VCO - Unique ring and self-modulation matrix - High-quality, warm, non-linear filters (VCF) with over 30 filter types, including unique multi-resonance filters Modulation features: - Four LFOs with 30 waveforms each - LFOs can modulate other LFOs, including themselves! - Three additional envelope generators, with key velocity modulation - Quick access to modulation strengths through context menus - Hundreds of modulation signal paths available - LFOs can produce noise as waveform to randomly modulate other parameters; for example to simulate slight variations in analog filter parameters as they happen in analog circuits. Pro-grade effects - Studio-quality reverb, delay, and chorus effects - Unique formant filter to add vocal character - Analog and digital distortion / bit crushing effects - Master equaliser and peak limiter for final touch - Non-linear power supply simulation for authentic interaction between notes Step sequencer - Fully integrated, intuitive step sequencer - Can trigger chords and note series / phrases - Can run asynchronously or synchronously to the host - Smart copy/paste of note series to improve workflow - Smart zoom: edit fine details while keeping an overview over the full sequence Presets and intelligent randomizer - Flowtones comes with hundreds of presets to spark your creativity - Intelligent randomizer to explore endless sound synthesis possibilities What you should know: - Licenses acquired for this platform are not compatible with other platforms. - Audio Unit (AUv3) extensions require an iPad mini 2, iPad 4 or later models.
Screenshots
Verdict
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.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
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.
| Parameter | Mersenne | TB Flowtones |
|---|---|---|
| Price | $8.00 — better | $9.99 |
| Rating | 4.7 (28 ratings) — better | 4.7 (39 ratings) |
| Positive reviews | 87.5% of reviews — better | 82.9% of reviews |
| Number of ratings | 28 | 39 — better |
| Update frequency | Monthly — better | Every 3 months |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Paid | Paid |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 12.0 — better | 13.0 |
| Further details — not scored | ||
| Size | 11 MB | 17 MB |
| Age rating | 4+ | 4+ |
| Developer | iceWorks, Inc. | ToneBoosters |
Customer experience
Mersenne
TB Flowtones
In-app purchases
Mersenne
No in-app purchases
TB Flowtones
No in-app purchases









