# Hyper Flow Piano vs Keystrike

The clearest difference is in-app purchases: Hyper Flow Piano at none against Keystrike's 1. Hyper Flow Piano also leads on iOS requirement (15.0 vs 17.0). On price, update cadence, ads and device support there is nothing between them.

Both are free to download. Keystrike sells 1 one-off in-app purchase. Hyper Flow Piano asks for nothing beyond the download.

Hyper Flow Piano ships an update every 3 days, Keystrike every 5 days. The most recent releases landed on November 9, 2026 and November 5, 2026 respectively.

## The numbers

| Metric | Hyper Flow Piano | Keystrike |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Every 3 days** | Every 5 days |
| Monetization | — | Free with in-app purchases |
| Size | 73 MB | 98 MB |
| Requires iOS | **15.0** | 17.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, Mac |
| Age rating | 4+ | 4+ |
| Developer | [Two Tones Higher Ltd](https://appshunter.io/developer/1893121618) | [Blue Flame Games](https://appshunter.io/developer/523824138) |

## What reviewers say

### Hyper Flow Piano

[App page](https://appshunter.io/ios/app/hyper-flow-piano/id6762143401)

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

**In-app purchases:** none


### Keystrike

[App page](https://appshunter.io/ios/app/keystrike-piano-sight-reading/id6763947075)

This app helps you build a consistent piano practice routine with graded lessons, sight-reading exercises, and real music. It offers personalized practice plans, tracks your progress, and supports various input methods including MIDI keyboards and on-screen pianos.

**Highlights:** Graded piano lessons, Sight-reading practice, Rhythm and ear training, Import MIDI files, On-screen and MIDI keyboard support, Practice recording and export

**Features:** Vision Pro support

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Keystrike Unlock | $14.99 | one-time |


## Frequently asked questions

### Is Hyper Flow Piano free?

Hyper Flow Piano is free to download, with no in-app purchases.

### Is Keystrike free?

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

### Do Hyper Flow Piano or Keystrike have ads?

Neither Hyper Flow Piano nor Keystrike shows ads.

### Which is updated more often, Hyper Flow Piano or Keystrike?

Hyper Flow Piano ships an update every 3 days, and Keystrike every 5 days. Most recently, Hyper Flow Piano was updated on November 9, 2026 and Keystrike on November 5, 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.*