# Metronome vs Impossible Notes

The clearest difference is in-app purchases: Impossible Notes at none against Metronome's 1. Impossible Notes also leads on update cadence (every 2 weeks vs every 7 months) and device support (3 vs 1). On price, ads and iOS requirement there is nothing between them.

Both are free to download. Metronome sells 1 one-off in-app purchase. Impossible Notes asks for nothing beyond the download.

Metronome ships an update every 7 months, Impossible Notes every 2 weeks. The most recent releases landed on October 24, 2026 and October 15, 2026 respectively.

## The numbers

| Metric | Metronome | Impossible Notes |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | Yes | Yes |
| Update frequency | Every 7 months | **Every 2 weeks** |
| Size | 8 MB | 6 MB |
| Requires iOS | 16.0 | **15.1** |
| Devices | iPhone | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Yunus Gunduz](https://appshunter.io/developer/1694137492) | [Storq Labs BV](https://appshunter.io/developer/1864178327) |

## What reviewers say

### Metronome

[App page](https://appshunter.io/ios/app/metronome-speed-reading/id6751761124)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Metronome Premium | $2.99 | one-time |


### Impossible Notes

[App page](https://appshunter.io/ios/app/impossible-notes/id6757008307)

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

**In-app purchases:** none


## Frequently asked questions

### Is Metronome free?

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

### Is Impossible Notes free?

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

### Do Metronome or Impossible Notes have ads?

Both Metronome and Impossible Notes show ads.

### Which is updated more often, Metronome or Impossible Notes?

Metronome ships an update every 7 months, and Impossible Notes every 2 weeks. Most recently, Metronome was updated on October 24, 2026 and Impossible Notes on October 15, 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.*