# FM 304 vs Tapko Tuner

The clearest difference is price: Tapko Tuner at Free against FM 304's $3.99. Tapko Tuner also leads on update cadence (every 5 weeks vs every 43 months) and rating (5.0 vs 4.8). FM 304's advantage is ratings volume (5 vs 1) and iOS requirement (12.0 vs 17.6). On in-app purchases and device support there is nothing between them.

Tapko Tuner is free to download; FM 304 costs $3.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Tapko Tuner holds the better App Store score, 5.0 against 4.8. That said, the two scores are not equally well evidenced: FM 304 has 5 ratings behind it against 1, so its average is the more settled of the two.

FM 304 ships an update every 43 months, Tapko Tuner every 5 weeks. The most recent releases landed on November 2, 2026 and November 5, 2026 respectively.

## The numbers

| Metric | FM 304 | Tapko Tuner |
| --- | --- | --- |
| Price | $3.99 | **Free** |
| Rating | [4.8 (5 ratings)](https://appshunter.io/ios/app/fm-304/id1449167984/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/tapko-tuner/id6762160541/reviews)** |
| Number of ratings | **5** | 1 |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | No | No |
| Ads | — | No |
| Update frequency | Every 43 months | **Every 5 weeks** |
| Monetization | Paid | **Free** |
| Size | 17 MB | 1 MB |
| Requires iOS | **12.0** | 17.6 |
| Devices | iPad | **iPhone, iPad** |
| Age rating | 4+ | 4+ |
| Developer | [Paul Betowski](https://appshunter.io/developer/538476580) | [David Lars Guva](https://appshunter.io/developer/1887879459) |

## What reviewers say

### FM 304

[App page](https://appshunter.io/ios/app/fm-304/id1449167984)

Create music with three powerful FM synthesizers, each featuring integrated sequencers and onboard effects. This app offers intuitive real-time control over all synth parameters for quick sound design and tune creation.

**Highlights:** Three 4-operator FM synths, Integrated sequencers, Onboard delay, reverb, and chorus effects, One knob per function control, 100 save slots, 8 algorithms, Note frequency quantize

**In-app purchases:** none


### Tapko Tuner

[App page](https://appshunter.io/ios/app/tapko-tuner/id6762160541)

A highly accurate chromatic tuner designed for bass and guitar, offering real-time pitch detection. It functions as a standalone app using your device's microphone or as an AUv3 effect within compatible music applications.

**Highlights:** High-accuracy chromatic tuning, Real-time pitch detection, Standalone microphone tuning, AUv3 extension support, Adjustable reference pitch, Low-noise idle behavior

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

**In-app purchases:** none


## Frequently asked questions

### Is FM 304 free?

FM 304 costs $3.99, with no in-app purchases.

### Is Tapko Tuner free?

Tapko Tuner is free to download, with no in-app purchases.

### Which has better reviews, FM 304 or Tapko Tuner?

Tapko Tuner is rated higher. FM 304 averages 4.8 out of 5 from 5 ratings, while Tapko Tuner averages 5.0 from 1 ratings.

### Which is updated more often, FM 304 or Tapko Tuner?

FM 304 ships an update every 43 months, and Tapko Tuner every 5 weeks. Most recently, FM 304 was updated on November 2, 2026 and Tapko Tuner on November 5, 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.*