# Fretronome vs FAC Phazer

The clearest difference is rating: FAC Phazer at 5.0 against Fretronome's 3.7. FAC Phazer also leads on update cadence (every 4 months vs every 19 months) and review sentiment (83% vs 63%). Fretronome's advantage is price ($0.99 vs $9.99) and in-app purchases (none vs 3). On ads, monetization model and device support there is nothing between them.

Fretronome costs $0.99 and FAC Phazer $9.99 up front. FAC Phazer sells 3 one-off in-app purchases. Fretronome asks for nothing beyond the download.

FAC Phazer holds the better App Store score, 5.0 against 3.7. That said, the two scores are not equally well evidenced: FAC Phazer has 30 ratings behind it against 3, so its average is the more settled of the two. Written reviews point the same way: 63% of Fretronome's written reviews are positive against 83% of FAC Phazer's.

Fretronome ships an update every 19 months, FAC Phazer every 4 months. Both last shipped on October 9, 2026.

## The numbers

| Metric | Fretronome | FAC Phazer |
| --- | --- | --- |
| Price | **$0.99** | $9.99 |
| Rating | [3.7 (3 ratings)](https://appshunter.io/ios/app/fretronome/id412725768/reviews) | **[5.0 (30 ratings)](https://appshunter.io/ios/app/fac-phazer/id1507540450/reviews)** |
| Number of ratings | 3 | **30** |
| Positive reviews | 62.5% of reviews | **83.3% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 19 months | **Every 4 months** |
| Monetization | Paid | Paid |
| Size | 7 MB | 3 MB |
| Requires iOS | **13.0** | 16.4 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, Mac |
| Age rating | 4+ | 4+ |
| Developer | [Neueinteraktion Design und Systeme GmbH](https://appshunter.io/developer/1438549997) | [Frederic Corvest](https://appshunter.io/developer/1230164765) |

## What reviewers say

### Fretronome

[App page](https://appshunter.io/ios/app/fretronome/id412725768)

This app helps guitarists learn fretboard notes and intervals. It visually displays notes and intervals on a fretboard and includes a quiz mode to test knowledge. Support for left-handed players is also available.

**Highlights:** Fretboard note and interval learning, Visual note/interval display, Quiz mode for skill testing, Left-handed guitarist support

**Features:** macOS Compatibility

**In-app purchases:** none


### FAC Phazer

[App page](https://appshunter.io/ios/app/fac-phazer/id1507540450)

This music effect plugin offers a rich sonic palette inspired by classic guitar pedals and hardware synthesizers. It provides extensive control over phasing effects with adjustable LFOs, unique characters, and versatile modulation options for all instruments and genres.

**Highlights:** Inspired by classic phaser units, Adjustable LFO with tempo sync, Four unique sonic characters, External modulation and Step mode, Stereo phase modulation, Universal AUv3 purchase

**Features:** Vision Pro support

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Small Tip | $1.99 | one-time |
| Medium Tip | $4.99 | one-time |
| Large Tip | $14.99 | one-time |


## Frequently asked questions

### Is Fretronome free?

Fretronome costs $0.99, with no in-app purchases.

### Is FAC Phazer free?

FAC Phazer costs $9.99, and also offers in-app purchases.

### Which has better reviews, Fretronome or FAC Phazer?

FAC Phazer is rated higher. Fretronome averages 3.7 out of 5 from 3 ratings, while FAC Phazer averages 5.0 from 30 ratings.

### Do Fretronome or FAC Phazer have ads?

Neither Fretronome nor FAC Phazer shows ads.

### Which is updated more often, Fretronome or FAC Phazer?

Fretronome ships an update every 19 months, and FAC Phazer every 4 months. Most recently, Fretronome was updated on October 9, 2026 and FAC Phazer on October 9, 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.*