# Poseidon Synth vs TB Flowtones

The clearest difference is rating: TB Flowtones at 4.7 against Poseidon Synth's 4.0. TB Flowtones also leads on review sentiment (83% vs 59%) and device support (3 vs 1). Poseidon Synth's advantage is price ($7.99 vs $9.99). On ratings volume, update cadence, ads and in-app purchases there is nothing between them.

Poseidon Synth costs $7.99 and TB Flowtones $9.99 up front. Neither carries in-app purchases, so what you see is what you pay.

TB Flowtones holds the better App Store score, 4.7 against 4.0. Both are backed by a comparable volume of ratings — 33 and 39 respectively. Written reviews point the same way: 59% of Poseidon Synth's written reviews are positive against 83% of TB Flowtones's.

Poseidon Synth ships an update every 4 months, TB Flowtones every 3 months. The most recent releases landed on October 7, 2026 and October 8, 2026 respectively.

## The numbers

| Metric | Poseidon Synth | TB Flowtones |
| --- | --- | --- |
| Price | **$7.99** | $9.99 |
| Rating | [4.0 (33 ratings)](https://appshunter.io/ios/app/poseidon-synth/id1045058006/reviews) | **[4.7 (39 ratings)](https://appshunter.io/ios/app/tb-flowtones/id1576472437/reviews)** |
| Number of ratings | 33 | **39** |
| Positive reviews | 58.8% of reviews | **82.9% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 4 months | **Every 3 months** |
| Monetization | Paid | Paid |
| Size | 328 MB | 17 MB |
| Requires iOS | **12.0** | 13.0 |
| Devices | iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Harry Gohs](https://appshunter.io/developer/382428644) | [ToneBoosters](https://appshunter.io/developer/1472446500) |

## What reviewers say

### Poseidon Synth

[App page](https://appshunter.io/ios/app/poseidon-synth/id1045058006)

Explore vast sonic landscapes with this advanced synthesizer. It combines analog synthesis with spectral modeling for unique sound design, offering powerful filters, spatialization, and a vast library of presets and sound models.

**Highlights:** Spectral model oscillator, F-Domain Filter with variable slope, Spatializer for stereo movement, Extensive sound browser, Arpeggiator with programmable sequences, Built-in effects suite

**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 Poseidon Synth free?

Poseidon Synth costs $7.99, with no in-app purchases.

### Is TB Flowtones free?

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

### Which has better reviews, Poseidon Synth or TB Flowtones?

TB Flowtones is rated higher. Poseidon Synth averages 4.0 out of 5 from 33 ratings, while TB Flowtones averages 4.7 from 39 ratings.

### Do Poseidon Synth or TB Flowtones have ads?

Neither Poseidon Synth nor TB Flowtones shows ads.

### Which is updated more often, Poseidon Synth or TB Flowtones?

Poseidon Synth ships an update every 4 months, and TB Flowtones every 3 months. Most recently, Poseidon Synth was updated on October 7, 2026 and TB Flowtones on October 8, 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.*