# InstaKeys vs PrimaScore

The clearest difference is update cadence: PrimaScore at every 6 days against InstaKeys's every 3 weeks. PrimaScore also leads on iOS requirement (15.1 vs 17.6). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. InstaKeys sells 3 in-app purchases, starting at $0.99 per 7 days and PrimaScore sells 2 in-app purchases, starting at $7.99 per month. Whichever you choose, the download price is not the number that matters.

InstaKeys ships an update every 3 weeks, PrimaScore every 6 days. The most recent releases landed on October 17, 2026 and October 14, 2026 respectively.

## The numbers

| Metric | InstaKeys | PrimaScore |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 3 weeks | **Every 6 days** |
| Size | 12 MB | 60 MB |
| Requires iOS | 17.6 | **15.1** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [东梅 吕](https://appshunter.io/developer/1825051058) | [Timothe Watteau](https://appshunter.io/developer/1896667874) |

## What reviewers say

### InstaKeys

[App page](https://appshunter.io/ios/app/instakeys-learn-music-notes/id6758503335)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| InstaKeys Weekly Premium | $0.99 | per 7 days |
| InstaKeys Yearly Premium | $9.99 | per year |
| InstaKeys Lifetime | $19.99 | one-time |


### PrimaScore

[App page](https://appshunter.io/ios/app/primascore-sightreading/id6769551146)

**Features:** macOS Compatibility

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly Premium | $7.99 | per month |
| Annual Premium | $59.99 | per year |


## Frequently asked questions

### Is InstaKeys free?

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

### Is PrimaScore free?

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

### Do InstaKeys or PrimaScore have ads?

Neither InstaKeys nor PrimaScore shows ads.

### Which is updated more often, InstaKeys or PrimaScore?

InstaKeys ships an update every 3 weeks, and PrimaScore every 6 days. Most recently, InstaKeys was updated on October 17, 2026 and PrimaScore on October 14, 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.*