# DX FAITH vs MathGrid 100

The clearest difference is ads: DX FAITH at none against MathGrid 100's shown. DX FAITH also leads on device support (4 vs 2) and iOS requirement (13.4 vs 15.1). MathGrid 100's advantage is update cadence (every 3 weeks vs every 2 months). On price 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, MathGrid 100 every 3 weeks. The most recent releases landed on November 3, 2026 and October 29, 2026 respectively.

## The numbers

| Metric | DX FAITH | MathGrid 100 |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | Every 2 months | **Every 3 weeks** |
| Size | 46 MB | 40 MB |
| Requires iOS | **13.4** | 15.1 |
| Devices | **iPhone, iPad, iPod, Apple TV** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [DX Tech Solutions, Inc.](https://appshunter.io/developer/1529166340) | [Hiroyuki Ishikawa](https://appshunter.io/developer/1876490408) |

## What reviewers say

### DX FAITH

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

**In-app purchases:** none


### MathGrid 100

[App page](https://appshunter.io/ios/app/mathgrid-100/id6759038224)

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

**In-app purchases:** none


## Frequently asked questions

### Is DX FAITH free?

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

### Is MathGrid 100 free?

MathGrid 100 is free to download, with no in-app purchases.

### Do DX FAITH or MathGrid 100 have ads?

MathGrid 100 shows ads; DX FAITH does not.

### Which is updated more often, DX FAITH or MathGrid 100?

DX FAITH ships an update every 2 months, and MathGrid 100 every 3 weeks. Most recently, DX FAITH was updated on November 3, 2026 and MathGrid 100 on October 29, 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.*