# Hanon Pro vs Black Hole Vision

The clearest difference is in-app purchases: Black Hole Vision at none against Hanon Pro's 10. Black Hole Vision also leads on ratings volume (24 vs 7). Hanon Pro's advantage is update cadence (every 2 days vs every 2 weeks). On price, rating, ads and monetization model there is nothing between them.

Both are free to download. Hanon Pro sells 10 one-off in-app purchases. Black Hole Vision asks for nothing beyond the download.

Hanon Pro holds the better App Store score, 5.0 against 4.8. Both are backed by a comparable volume of ratings — 7 and 24 respectively.

Hanon Pro ships an update every 2 days, Black Hole Vision every 2 weeks. Both last shipped on November 4, 2026.

## The numbers

| Metric | Hanon Pro | Black Hole Vision |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (7 ratings)](https://appshunter.io/ios/app/hanon-pro/id6473125727/reviews)** | [4.8 (24 ratings)](https://appshunter.io/ios/app/black-hole-vision/id6737292448/reviews) |
| Number of ratings | 7 | **24** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 2 days** | Every 2 weeks |
| Monetization | Free | Free |
| Size | 132 MB | 64 MB |
| Requires iOS | **17.0** | 17.5 |
| Devices | **iPhone, iPad** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Furnace Creek Software LLC](https://appshunter.io/developer/321189453) | [Alexandru Lupsasca](https://appshunter.io/developer/1775800348) |

## What reviewers say

### Hanon Pro

[App page](https://appshunter.io/ios/app/hanon-pro/id6473125727)

Enhance your piano technique with interactive exercises and repertoire. Get real-time feedback on your playing, track practice habits, and visualize progress over time. Supports MIDI keyboard integration for a comprehensive learning experience.

**Highlights:** Interactive music scores with automatic page turning, Real-time performance analysis (accuracy, tempo, dynamics), Practice habit tracking and progress visualization, MIDI keyboard connectivity, Built-in metronome and tempo adjustment, Daily practice reminders and achievements

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

**In-app purchases (10)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Scales in 12 Major Keys | Free | one-time |
| Prelude in C Major | $0.99 | one-time |
| Fuga in C Major | $0.99 | one-time |
| Schmitt Book II | $3.99 | one-time |
| Hanon Book II | $3.99 | one-time |
| Scales in 12 Minor Keys | $3.99 | one-time |
| Schmitt Book I | $3.99 | one-time |
| Chords in 12 Major Keys | $3.99 | one-time |
| Hanon Book I | $3.99 | one-time |
| Unlock All Content (Lifetime) | $29.99 | one-time |


### Black Hole Vision

[App page](https://appshunter.io/ios/app/black-hole-vision/id6737292448)

Experience the universe through the lens of a black hole. This app simulates how a black hole would warp your camera's view, revealing a photon ring and offering a glimpse into advanced astronomical concepts. Explore the science behind black hole lensing with open-source code and educational resources.

**Highlights:** Live camera feed simulation, Black hole lensing effect, Photon ring visualization, Open-source code available, Educational insights into astrophysics

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Hanon Pro free?

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

### Is Black Hole Vision free?

Black Hole Vision is free to download, with no in-app purchases.

### Which has better reviews, Hanon Pro or Black Hole Vision?

Hanon Pro is rated higher. Hanon Pro averages 5.0 out of 5 from 7 ratings, while Black Hole Vision averages 4.8 from 24 ratings.

### Do Hanon Pro or Black Hole Vision have ads?

Neither Hanon Pro nor Black Hole Vision shows ads.

### Which is updated more often, Hanon Pro or Black Hole Vision?

Hanon Pro ships an update every 2 days, and Black Hole Vision every 2 weeks. Most recently, Hanon Pro was updated on November 4, 2026 and Black Hole Vision on November 4, 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.*