# KFU TSL vs Fast100Math

The clearest difference is update cadence: Fast100Math at every 3 days against KFU TSL's every 67 months. KFU TSL's advantage is iOS requirement (15.6 vs 18.0). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

KFU TSL ships an update every 67 months, Fast100Math every 3 days. The most recent releases landed on October 10, 2026 and October 14, 2026 respectively.

## The numbers

| Metric | KFU TSL | Fast100Math |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 67 months | **Every 3 days** |
| Size | 160 MB | 31 MB |
| Requires iOS | **15.6** | 18.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [King Faisal University - جامعة الملك فيصل](https://appshunter.io/developer/570315734) | [makoto amijima](https://appshunter.io/developer/1493994946) |

## What reviewers say

### KFU TSL

[App page](https://appshunter.io/ios/app/kfu-tsl/id1467884626)

**Features:** macOS Compatibility

**In-app purchases:** none


### Fast100Math

[App page](https://appshunter.io/ios/app/fast100math/id6739807220)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is KFU TSL free?

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

### Is Fast100Math free?

Fast100Math is free to download, with no in-app purchases.

### Do KFU TSL or Fast100Math have ads?

Neither KFU TSL nor Fast100Math shows ads.

### Which is updated more often, KFU TSL or Fast100Math?

KFU TSL ships an update every 67 months, and Fast100Math every 3 days. Most recently, KFU TSL was updated on October 10, 2026 and Fast100Math on October 14, 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.*