# PianoBloom vs Quick Theory

The clearest difference is in-app purchases: PianoBloom at none against Quick Theory's 3. Quick Theory's advantage is update cadence (every 3 weeks vs every 4 months). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. Quick Theory sells 3 in-app purchases, starting at $4.99 per month. PianoBloom asks for nothing beyond the download.

PianoBloom ships an update every 4 months, Quick Theory every 3 weeks. The most recent releases landed on September 27, 2026 and September 15, 2026 respectively.

## The numbers

| Metric | PianoBloom | Quick Theory |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 4 months | **Every 3 weeks** |
| Size | 1 MB | 87 MB |
| Requires iOS | **17.6** | 18.0 |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [RAIMONDS BLUMS](https://appshunter.io/developer/1822476879) | [HANOCH YOSEF LIB](https://appshunter.io/developer/6788600007) |

## What reviewers say

### PianoBloom

[App page](https://appshunter.io/ios/app/pianobloom/id6754502821)

**Features:** macOS Compatibility

**In-app purchases:** none


### Quick Theory

[App page](https://appshunter.io/ios/app/quick-theory/id6790213145)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly | $4.99 | per month |
| Yearly | $29.99 | per year |
| Lifetime | $59.99 | one-time |


## Frequently asked questions

### Is PianoBloom free?

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

### Is Quick Theory free?

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

### Do PianoBloom or Quick Theory have ads?

Neither PianoBloom nor Quick Theory shows ads.

### Which is updated more often, PianoBloom or Quick Theory?

PianoBloom ships an update every 4 months, and Quick Theory every 3 weeks. Most recently, PianoBloom was updated on September 27, 2026 and Quick Theory on September 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.*