# Practice Timer vs Instrument String Log

The clearest difference is in-app purchases: Instrument String Log at none against Practice Timer's 2. Practice Timer's advantage is ads (none vs shown) and iOS requirement (15.1 vs 17.0). On price and device support there is nothing between them.

Both are free to download. Practice Timer sells 2 in-app purchases, starting at $9.99 per month. Instrument String Log asks for nothing beyond the download.

## The numbers

| Metric | Practice Timer | Instrument String Log |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | **No** | Yes |
| Update frequency | Every 4 weeks | — |
| Size | 41 MB | 7 MB |
| Requires iOS | **15.1** | 17.0 |
| Devices | **iPhone, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Deki Jarrin](https://appshunter.io/developer/1896196611) | [Hiroki Tani](https://appshunter.io/developer/1876229838) |

## What reviewers say

### Practice Timer

[App page](https://appshunter.io/ios/app/practice-timer-music-planner/id6766103908)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Practice Timer Pro | $9.99 | per month |
| Practice Timer Pro | $59.99 | per year |


### 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 Practice Timer free?

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

### Is Instrument String Log free?

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

### Do Practice Timer or Instrument String Log have ads?

Instrument String Log shows ads; Practice Timer 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.*