# Learn Facts Quick vs Shor's algorithm

The clearest difference is in-app purchases: Learn Facts Quick at none against Shor's algorithm's 3. Learn Facts Quick also leads on iOS requirement (14.0 vs 16.0). On price, update cadence, ads and device support there is nothing between them.

Both are free to download. Shor's algorithm sells 3 one-off in-app purchases. Learn Facts Quick asks for nothing beyond the download.

Learn Facts Quick ships an update every 4 months, Shor's algorithm every 6 months. The most recent releases landed on September 29, 2026 and September 28, 2026 respectively.

## The numbers

| Metric | Learn Facts Quick | Shor's algorithm |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Every 4 months** | Every 6 months |
| Size | 52 MB | 7 MB |
| Requires iOS | **14.0** | 16.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Keith Harryman](https://appshunter.io/developer/1693739510) | [Sungjun Kim](https://appshunter.io/developer/1602461985) |

## What reviewers say

### Learn Facts Quick

[App page](https://appshunter.io/ios/app/learn-facts-quick/id6450523831)

**Features:** macOS Compatibility

**In-app purchases:** none


### Shor's algorithm

[App page](https://appshunter.io/ios/app/shors-algorithm/id6472044082)

**Features:** macOS Compatibility

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| coffee | $0.99 | one-time |
| latte | $4.99 | one-time |
| whopper set | $9.99 | one-time |


## Frequently asked questions

### Is Learn Facts Quick free?

Learn Facts Quick is free to download, with no in-app purchases.

### Is Shor's algorithm free?

Shor's algorithm is free to download, with in-app purchases available.

### Do Learn Facts Quick or Shor's algorithm have ads?

Neither Learn Facts Quick nor Shor's algorithm shows ads.

### Which is updated more often, Learn Facts Quick or Shor's algorithm?

Learn Facts Quick ships an update every 4 months, and Shor's algorithm every 6 months. Most recently, Learn Facts Quick was updated on September 29, 2026 and Shor's algorithm on September 28, 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.*