# Metrono vs Instrument String Log

The clearest difference is ads: Metrono at none against Instrument String Log's shown. On price, in-app purchases, device support and iOS requirement there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

## The numbers

| Metric | Metrono | Instrument String Log |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | Every 3 weeks | — |
| Size | 82 MB | 7 MB |
| Requires iOS | **16.4** | 17.0 |
| Devices | iPhone | iPhone |
| Age rating | 12+ | 4+ |
| Developer | [Norbert Godany](https://appshunter.io/developer/1853587222) | [Hiroki Tani](https://appshunter.io/developer/1876229838) |

## What reviewers say

### Metrono

[App page](https://appshunter.io/ios/app/metrono-practice-journal/id6779363125)

**In-app purchases:** none


### Instrument String Log

[App page](https://appshunter.io/ios/app/instrument-string-log/id6792760472)

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

**In-app purchases:** none


## Frequently asked questions

### Is Metrono free?

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

### Is Instrument String Log free?

Instrument String Log is free to download, with no in-app purchases.

### Do Metrono or Instrument String Log have ads?

Instrument String Log shows ads; Metrono does not.

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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.*