# TB Flowtones vs Qithesizer

The clearest difference is rating: TB Flowtones at 4.7 against Qithesizer's 4.1. TB Flowtones also leads on price ($9.99 vs $12.99) and ratings volume (39 vs 11). Qithesizer's advantage is update cadence (fortnightly vs every 3 months). On review sentiment, ads, in-app purchases and monetization model there is nothing between them.

TB Flowtones costs $9.99 and Qithesizer $12.99 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 4.1. Both are backed by a comparable volume of ratings — 39 and 11 respectively. Written reviews point the same way: 83% of TB Flowtones's written reviews are positive against 77% of Qithesizer's.

TB Flowtones ships an update every 3 months, Qithesizer fortnightly. Both last shipped on November 3, 2026.

## The numbers

| Metric | TB Flowtones | Qithesizer |
| --- | --- | --- |
| Price | **$9.99** | $12.99 |
| Rating | **[4.7 (39 ratings)](https://appshunter.io/ios/app/tb-flowtones/id1576472437/reviews)** | [4.1 (11 ratings)](https://appshunter.io/ios/app/qithesizer/id6444722040/reviews) |
| Number of ratings | **39** | 11 |
| Positive reviews | **82.9% of reviews** | 76.9% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 months | **Fortnightly** |
| Monetization | Paid | Paid |
| Size | 17 MB | 29 MB |
| Requires iOS | **13.0** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [ToneBoosters](https://appshunter.io/developer/1472446500) | [Robkoo Information & Technologies Co., Ltd.](https://appshunter.io/developer/987892941) |

## What reviewers say

### 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


### Qithesizer

[App page](https://appshunter.io/ios/app/qithesizer/id6444722040)

This advanced music synthesizer combines virtual analog, wavetable, and physical modeling sound engines. It offers extensive modulation capabilities, a built-in sequencer, and on-screen keyboard for creating complex sounds.

**Highlights:** Multiple sound engines (virtual analog, wavetable, physical modeling), Extensive modulation sources and destinations, Full MIDI mapping, 16-step sequencer with pattern editor, Waveform and dynamic visualizations, On-screen keyboard

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

**In-app purchases:** none


## Frequently asked questions

### Is TB Flowtones free?

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

### Is Qithesizer free?

Qithesizer costs $12.99, with no in-app purchases.

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

TB Flowtones is rated higher. TB Flowtones averages 4.7 out of 5 from 39 ratings, while Qithesizer averages 4.1 from 11 ratings.

### Do TB Flowtones or Qithesizer have ads?

Neither TB Flowtones nor Qithesizer shows ads.

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

TB Flowtones ships an update every 3 months, and Qithesizer fortnightly. Most recently, TB Flowtones was updated on November 3, 2026 and Qithesizer on November 3, 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.*