# FretFluent vs Centz

The clearest difference is price: Centz at Free against FretFluent's $2.99. Centz also leads on update cadence (every 3 weeks vs every 3 months). FretFluent's advantage is in-app purchases (none vs 1) and iOS requirement (16.0 vs 26.0). On ads and device support there is nothing between them.

Centz is free to download; FretFluent costs $2.99 up front. Centz sells 1 one-off in-app purchase. FretFluent asks for nothing beyond the download.

FretFluent ships an update every 3 months, Centz every 3 weeks. The most recent releases landed on September 24, 2026 and October 6, 2026 respectively.

## The numbers

| Metric | FretFluent | Centz |
| --- | --- | --- |
| Price | $2.99 | **Free** |
| Rating | **[4.8 (12 ratings)](https://appshunter.io/ios/app/fretfluent-fretboard-notes/id6501991264/reviews)** | — |
| Number of ratings | **12** | — |
| Positive reviews | 83.3% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 3 months | **Every 3 weeks** |
| Monetization | Paid | — |
| Size | 9 MB | 5 MB |
| Requires iOS | **16.0** | 26.0 |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Aron Beaver](https://appshunter.io/developer/412360320) | [Greg Raine](https://appshunter.io/developer/1896538832) |

## What reviewers say

### FretFluent

[App page](https://appshunter.io/ios/app/fretfluent-fretboard-notes/id6501991264)

Master your guitar fretboard with this interactive note trainer. Learn to recognize and internalize every note through engaging gameplay, customizable practice sessions, and real-time feedback.

**Highlights:** Interactive note recognition, Customizable note and string focus, Adjustable game speed, Real-time feedback, Muscle memory building, Supports acoustic and electric guitars

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

**In-app purchases:** none


### Centz

[App page](https://appshunter.io/ios/app/centz-tuner/id6785661649)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Centz Pro | $3.99 | one-time |


## Frequently asked questions

### Is FretFluent free?

FretFluent costs $2.99, with no in-app purchases.

### Is Centz free?

Centz is free to download, with in-app purchases available.

### Do FretFluent or Centz have ads?

Neither FretFluent nor Centz shows ads.

### Which is updated more often, FretFluent or Centz?

FretFluent ships an update every 3 months, and Centz every 3 weeks. Most recently, FretFluent was updated on September 24, 2026 and Centz on October 6, 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.*