# DX FAITH vs Fast100Math

The clearest difference is update cadence: Fast100Math at every 3 days against DX FAITH's every 2 months. DX FAITH's advantage is device support (4 vs 2) and iOS requirement (13.4 vs 18.0). On price, ads and in-app purchases there is nothing between them.

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

DX FAITH ships an update every 2 months, Fast100Math every 3 days. The most recent releases landed on November 3, 2026 and October 28, 2026 respectively.

## The numbers

| Metric | DX FAITH | Fast100Math |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 3 days** |
| Size | 46 MB | 31 MB |
| Requires iOS | **13.4** | 18.0 |
| Devices | **iPhone, iPad, iPod, Apple TV** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [DX Tech Solutions, Inc.](https://appshunter.io/developer/1529166340) | [makoto amijima](https://appshunter.io/developer/1493994946) |

## What reviewers say

### DX FAITH

[App page](https://appshunter.io/ios/app/dx-faith/id1529166338)

**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 DX FAITH free?

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

### Is Fast100Math free?

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

### Do DX FAITH or Fast100Math have ads?

Neither DX FAITH nor Fast100Math shows ads.

### Which is updated more often, DX FAITH or Fast100Math?

DX FAITH ships an update every 2 months, and Fast100Math every 3 days. Most recently, DX FAITH was updated on November 3, 2026 and Fast100Math on October 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.*