# Mathstep vs 聞く憲法判例

The clearest difference is in-app purchases: Mathstep at none against 聞く憲法判例's 1. Mathstep also leads on update cadence (every 3 days vs every 2 months) and iOS requirement (12.0 vs 17.6). 聞く憲法判例's advantage is ads (none vs shown). On price and device support there is nothing between them.

Both are free to download. 聞く憲法判例 sells 1 one-off in-app purchase. Mathstep asks for nothing beyond the download.

Mathstep ships an update every 3 days, 聞く憲法判例 every 2 months. The most recent releases landed on October 7, 2026 and October 19, 2026 respectively.

## The numbers

| Metric | Mathstep | 聞く憲法判例 |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | Yes | **No** |
| Update frequency | **Every 3 days** | Every 2 months |
| Size | 32 MB | 5 MB |
| Requires iOS | **12.0** | 17.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Takao Ambe](https://appshunter.io/developer/1819409213) | [Takashi Shigenaga](https://appshunter.io/developer/1740254360) |

## What reviewers say

### Mathstep

[App page](https://appshunter.io/ios/app/mathstep/id6753911229)

**Features:** macOS Compatibility

**In-app purchases:** none


### 聞く憲法判例

[App page](https://appshunter.io/ios/app/id6759512097)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 追加判例パック | $2.99 | one-time |


## Frequently asked questions

### Is Mathstep free?

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

### Is 聞く憲法判例 free?

聞く憲法判例 is free to download, with in-app purchases available.

### Do Mathstep or 聞く憲法判例 have ads?

Mathstep shows ads; 聞く憲法判例 does not.

### Which is updated more often, Mathstep or 聞く憲法判例?

Mathstep ships an update every 3 days, and 聞く憲法判例 every 2 months. Most recently, Mathstep was updated on October 7, 2026 and 聞く憲法判例 on October 19, 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.*