# PlayFrame for KEF / Sonos vs Tuning Note

The clearest difference is in-app purchases: Tuning Note at none against PlayFrame for KEF / Sonos's 1. PlayFrame for KEF / Sonos's advantage is update cadence (every 4 days vs every 8 days) and iOS requirement (16.0 vs 26.2). On price, ads and device support there is nothing between them.

Both are free to download. PlayFrame for KEF / Sonos sells 1 one-off in-app purchase. Tuning Note asks for nothing beyond the download.

PlayFrame for KEF / Sonos ships an update every 4 days, Tuning Note every 8 days. The most recent releases landed on September 30, 2026 and October 2, 2026 respectively.

## The numbers

| Metric | PlayFrame for KEF / Sonos | Tuning Note |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/tuning-note/id6762552482/reviews)** |
| Number of ratings | — | **1** |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 4 days** | Every 8 days |
| Monetization | — | Free |
| Size | 8 MB | 1 MB |
| Requires iOS | **16.0** | 26.2 |
| Devices | **iPhone, iPad** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Hiroshi Kajihata](https://appshunter.io/developer/1032204860) | [NATHANIEL GRANITTO SMITH](https://appshunter.io/developer/1890266205) |

## What reviewers say

### PlayFrame for KEF / Sonos

[App page](https://appshunter.io/ios/app/playframe-for-kef-sonos/id6762045201)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| PlayFrame Pro | $4.99 | one-time |


### Tuning Note

[App page](https://appshunter.io/ios/app/tuning-note/id6762552482)

This app provides a sustained reference tone for a wide range of chromatic pitches, ideal for tuning string instruments by ear. Easily navigate between notes and adjust the reference frequency for precise tuning.

**Highlights:** Sustained reference tones, Chromatic pitch selection, Real-time tone updates, Configurable A4 frequency, Navigation by half steps or intervals, Light, dark, and system modes

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is PlayFrame for KEF / Sonos free?

PlayFrame for KEF / Sonos is free to download, with in-app purchases available.

### Is Tuning Note free?

Tuning Note is free to download, with no in-app purchases.

### Do PlayFrame for KEF / Sonos or Tuning Note have ads?

Neither PlayFrame for KEF / Sonos nor Tuning Note shows ads.

### Which is updated more often, PlayFrame for KEF / Sonos or Tuning Note?

PlayFrame for KEF / Sonos ships an update every 4 days, and Tuning Note every 8 days. Most recently, PlayFrame for KEF / Sonos was updated on September 30, 2026 and Tuning Note on October 2, 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.*