# Math Practice vs デカ文字計算

Math Practice and デカ文字計算 are too close to call on the numbers: across 6 compared parameters — price, update cadence, ads and in-app purchases among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

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

Math Practice ships an update every 3 weeks, デカ文字計算 every 4 weeks. Both last shipped on November 6, 2026.

## The numbers

| Metric | Math Practice | デカ文字計算 |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 3 weeks** | Every 4 weeks |
| Size | 110 MB | 6 MB |
| Requires iOS | 15.0 | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [彩月 姚](https://appshunter.io/developer/6806793776) | [maple project](https://appshunter.io/developer/6800461359) |

## What reviewers say

### Math Practice

[App page](https://appshunter.io/ios/app/math-practice-mental-math/id6809700734)

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

**In-app purchases:** none


### デカ文字計算

[App page](https://appshunter.io/ios/app/big-text-math/id6818828030)

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

**In-app purchases:** none


## Frequently asked questions

### Is Math Practice free?

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

### Is デカ文字計算 free?

デカ文字計算 is free to download, with no in-app purchases.

### Do Math Practice or デカ文字計算 have ads?

Neither Math Practice nor デカ文字計算 shows ads.

### Which is updated more often, Math Practice or デカ文字計算?

Math Practice ships an update every 3 weeks, and デカ文字計算 every 4 weeks. Most recently, Math Practice was updated on November 6, 2026 and デカ文字計算 on November 6, 2026.

---

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