# Zeeon synth vs TB Flowtones

The clearest difference is in-app purchases: TB Flowtones at none against Zeeon synth's 3. TB Flowtones also leads on price ($9.99 vs $14.99) and iOS requirement (13.0 vs 15.6). Zeeon synth's advantage is ratings volume (209 vs 39). On rating, review sentiment, update cadence and ads there is nothing between them.

Zeeon synth costs $14.99 and TB Flowtones $9.99 up front. Zeeon synth sells 3 one-off in-app purchases. TB Flowtones asks for nothing beyond the download.

On the App Store both sit at effectively the same score — 4.8 for Zeeon synth against 4.7 for TB Flowtones. That said, the two scores are not equally well evidenced: Zeeon synth has 209 ratings behind it against 39, so its average is the more settled of the two. Written reviews are what separate them: 76% of Zeeon synth's written reviews are positive against 83% of TB Flowtones's.

Zeeon synth ships an update every 2 months, TB Flowtones every 3 months. The most recent releases landed on September 18, 2026 and September 22, 2026 respectively.

## The numbers

| Metric | Zeeon synth | TB Flowtones |
| --- | --- | --- |
| Price | $14.99 | **$9.99** |
| Rating | **[4.8 (209 ratings)](https://appshunter.io/ios/app/zeeon-synth/id1230960440/reviews)** | [4.7 (39 ratings)](https://appshunter.io/ios/app/tb-flowtones/id1576472437/reviews) |
| Number of ratings | **209** | 39 |
| Positive reviews | 75.9% of reviews | **82.9% of reviews** |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 2 months** | Every 3 months |
| Monetization | **Free with in-app purchases** | Paid |
| Size | 27 MB | 17 MB |
| Requires iOS | 15.6 | **13.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [BeepStreet](https://appshunter.io/developer/321412321) | [ToneBoosters](https://appshunter.io/developer/1472446500) |

## What reviewers say

### Zeeon synth

[App page](https://appshunter.io/ios/app/zeeon-synth/id1230960440)

This app is a virtual analog synthesizer that recreates the sound and feel of classic hardware. It features a detailed circuit-modeling engine, powerful modulation, and multiple filter models for rich, organic soundscapes. Explore a vast array of presets and expand your sonic palette with additional sound banks.

**Highlights:** Circuit-modeling engine, Powerful modulation matrix, Dual oscillators with variable waveforms, Multiple filter models, Built-in effects unit, Audio Unit v3 support, Polyphonic step sequencer

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| OI - Exploration Vol. 1 | $3.99 | one-time |
| BB Z-Space | $4.99 | one-time |
| BB Synthwave | $4.99 | one-time |

**What reviewers like**

- 🎨 Excellent sound quality
- 🎹 Intuitive and well-designed interface
- 🔧 Flexible and deep sound design capabilities
- 💻 Seamless integration as an AUv3 plugin
- 🎚️ Smooth and responsive controls

**What reviewers complain about**

- 🐛 Stability issues, crashes on some devices
- 🔌 Compatibility problems with newer iOS versions
- 📂 Preset management could be improved
- 🔀 Lack of MIDI learn and sequencer features
- 🖥️ UI scaling issues on larger iPad displays

**Reported bugs**

- Preset settings not retained after app restart
- Synth reverts to default settings when reopening Logic Pro project
- Crashes and freezes on certain iOS 14+ devices
- Inability to access in-app purchases from within the app

**Requested features**

- Add MIDI learn functionality
- Implement a more robust preset management system
- Include a built-in sequencer with save/load capabilities
- Improve UI scaling and layout for larger iPad screens
- Provide better integration with inter-app audio and Audiobus


### 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 Zeeon synth free?

Zeeon synth costs $14.99, and also offers in-app purchases.

### Is TB Flowtones free?

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

### Which has better reviews, Zeeon synth or TB Flowtones?

Zeeon synth is rated higher. Zeeon synth averages 4.8 out of 5 from 209 ratings, while TB Flowtones averages 4.7 from 39 ratings.

### Do Zeeon synth or TB Flowtones have ads?

Neither Zeeon synth nor TB Flowtones shows ads.

### Which is updated more often, Zeeon synth or TB Flowtones?

Zeeon synth ships an update every 2 months, and TB Flowtones every 3 months. Most recently, Zeeon synth was updated on September 18, 2026 and TB Flowtones on September 22, 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.*