# Fast Math vs PyLibrary

The clearest difference is in-app purchases: PyLibrary at none against Fast Math's 6. Fast Math's advantage is iOS requirement (16.0 vs 26.1). On price, ads and device support there is nothing between them.

Both are free to download. Fast Math sells 6 one-off in-app purchases. PyLibrary asks for nothing beyond the download.

## The numbers

| Metric | Fast Math | PyLibrary |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (2 ratings)](https://appshunter.io/ios/app/fast-math-tips-and-tricks/id1463433291/reviews)** | — |
| Number of ratings | **2** | — |
| Positive reviews | 66.7% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 4 months | — |
| Monetization | Free | — |
| Size | 9 MB | 3 MB |
| Requires iOS | **16.0** | 26.1 |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Mathieu Bolard](https://appshunter.io/developer/355839736) | [Roger Rub](https://appshunter.io/developer/1852594545) |

## What reviewers say

### Fast Math

[App page](https://appshunter.io/ios/app/fast-math-tips-and-tricks/id1463433291)

Master mental arithmetic with 59 lessons on addition, subtraction, multiplication, and division. Improve your calculation speed and accuracy through engaging training modes and friendly competition.

**Highlights:** 59 mental arithmetic lessons, Addition, subtraction, multiplication, division tips, Calculation checking techniques, Timed training mode, Game Center comparison

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

**In-app purchases (6)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Turbo Boost | $0.99 | one-time |
| Perfect Squares | $0.99 | one-time |
| Divisibility | $0.99 | one-time |
| Casting Out Nines | $0.99 | one-time |
| Casting Out Elevens | $0.99 | one-time |
| Unlock All Sections | $3.99 | one-time |


### PyLibrary

[App page](https://appshunter.io/ios/app/pylibrary/id6756443557)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Fast Math free?

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

### Is PyLibrary free?

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

### Do Fast Math or PyLibrary have ads?

Neither Fast Math nor PyLibrary shows ads.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*