# いすとりミュージック vs Slowdial

The clearest difference is in-app purchases: いすとりミュージック at none against Slowdial's 1. On price, update cadence, ads and device support there is nothing between them.

Both are free to download. Slowdial sells 1 one-off in-app purchase. いすとりミュージック asks for nothing beyond the download.

いすとりミュージック ships an update every 9 days, Slowdial weekly. The most recent releases landed on October 27, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | いすとりミュージック | Slowdial |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 9 days | **Weekly** |
| Size | 16 MB | 4 MB |
| Requires iOS | **16.0** | 17.0 |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Daisuke Hirose](https://appshunter.io/developer/6794972368) | [Minari Taniguchi](https://appshunter.io/developer/6796972156) |

## What reviewers say

### いすとりミュージック

[App page](https://appshunter.io/ios/app/id6794972366)

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

**In-app purchases:** none


### Slowdial

[App page](https://appshunter.io/ios/app/slowdial-visual-timer/id6816011464)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Slowdial Pro | $7.99 | one-time |


## Frequently asked questions

### Is いすとりミュージック free?

いすとりミュージック is free to download, with no in-app purchases.

### Is Slowdial free?

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

### Do いすとりミュージック or Slowdial have ads?

Neither いすとりミュージック nor Slowdial shows ads.

### Which is updated more often, いすとりミュージック or Slowdial?

いすとりミュージック ships an update every 9 days, and Slowdial weekly. Most recently, いすとりミュージック was updated on October 27, 2026 and Slowdial on October 31, 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.*