# PolyHarp vs fmQT

The clearest difference is price: PolyHarp at $4.99 against fmQT's $9.99. PolyHarp also leads on rating (4.9 vs 4.6) and review sentiment (100% vs 88%). fmQT's advantage is ratings volume (33 vs 11). On update cadence, ads, in-app purchases and monetization model there is nothing between them.

PolyHarp costs $4.99 and fmQT $9.99 up front. Neither carries in-app purchases, so what you see is what you pay.

PolyHarp holds the better App Store score, 4.9 against 4.6. Both are backed by a comparable volume of ratings — 11 and 33 respectively. Written reviews point the same way: 100% of PolyHarp's written reviews are positive against 88% of fmQT's.

PolyHarp ships an update every 4 weeks, fmQT every 5 weeks. The most recent releases landed on October 16, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | PolyHarp | fmQT |
| --- | --- | --- |
| Price | **$4.99** | $9.99 |
| Rating | **[4.9 (11 ratings)](https://appshunter.io/ios/app/polyharp/id961772600/reviews)** | [4.6 (33 ratings)](https://appshunter.io/ios/app/fmqt-fm-synth/id6475642825/reviews) |
| Number of ratings | 11 | **33** |
| Positive reviews | **100.0% of reviews** | 87.5% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 4 weeks** | Every 5 weeks |
| Monetization | Paid | Paid |
| Size | 16 MB | 282 MB |
| Requires iOS | **12.4** | 17.0 |
| Devices | iPad | **iPhone, iPad** |
| Age rating | 4+ | 4+ |
| Developer | [Henry Lowengard](https://appshunter.io/developer/288419654) | [Dahlia Sabin](https://appshunter.io/developer/1123271598) |

## What reviewers say

### PolyHarp

[App page](https://appshunter.io/ios/app/polyharp/id961772600)

This app offers a virtual musical instrument inspired by chorded zithers, featuring extensive chord customization, multi-string capabilities, and massive polyphony. It serves as a platform for harmonic theory exploration and a powerful MIDI controller, with numerous presets and the ability to create unique instruments.

**Highlights:** Extensive chord customization, Multi-string and polyphony support, Harmonic theory testbed, MIDI controller functionality, Large preset library, Audiobus 3 and IAA support

**In-app purchases:** none


### fmQT

[App page](https://appshunter.io/ios/app/fmqt-fm-synth/id6475642825)

Explore a unique sound design experience with a glitchy FM synthesizer inspired by Y2K digital sounds. Its intuitive interface, easy automation, and robust sound engine make complex sound creation playful and accessible for all musicians.

**Highlights:** Intuitive FM synthesis interface, Easy parameter looping and automation, Multiple effects, filters, and equalizers, Visually engaging design, AUv3 support for DAW integration

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is PolyHarp free?

PolyHarp costs $4.99, with no in-app purchases.

### Is fmQT free?

fmQT costs $9.99, with no in-app purchases.

### Which has better reviews, PolyHarp or fmQT?

PolyHarp is rated higher. PolyHarp averages 4.9 out of 5 from 11 ratings, while fmQT averages 4.6 from 33 ratings.

### Do PolyHarp or fmQT have ads?

Neither PolyHarp nor fmQT shows ads.

### Which is updated more often, PolyHarp or fmQT?

PolyHarp ships an update every 4 weeks, and fmQT every 5 weeks. Most recently, PolyHarp was updated on October 16, 2026 and fmQT 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.*