# 慣用句 ! vs Math Drill ULTRA FX

The clearest difference is price: 慣用句 ! at Free against Math Drill ULTRA FX's $2.99. 慣用句 ! also leads on iOS requirement (13.0 vs 16.0). Math Drill ULTRA FX's advantage is ads (none vs shown). On in-app purchases and device support there is nothing between them.

慣用句 ! is free to download; Math Drill ULTRA FX costs $2.99 up front. Neither carries in-app purchases, so what you see is what you pay.

## The numbers

| Metric | 慣用句 ! | Math Drill ULTRA FX |
| --- | --- | --- |
| Price | **Free** | $2.99 |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | Every 3 months | — |
| Size | 154 MB | 1 MB |
| Requires iOS | **13.0** | 16.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Ohmori Takeru](https://appshunter.io/developer/969791681) | [yuudai tasaki](https://appshunter.io/developer/1861229093) |

## What reviewers say

### 慣用句 !

[App page](https://appshunter.io/ios/app/id6470895936)

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

**In-app purchases:** none


### Math Drill ULTRA FX

[App page](https://appshunter.io/ios/app/math-drill-ultra-fx/id6795123185)

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

**In-app purchases:** none


## Frequently asked questions

### Is 慣用句 ! free?

慣用句 ! is free to download, with no in-app purchases.

### Is Math Drill ULTRA FX free?

Math Drill ULTRA FX costs $2.99, with no in-app purchases.

### Do 慣用句 ! or Math Drill ULTRA FX have ads?

慣用句 ! shows ads; Math Drill ULTRA FX does not.

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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.*