# 世界人口電卓 vs 日本国憲法

The clearest difference is in-app purchases: 世界人口電卓 at none against 日本国憲法's 1. 世界人口電卓 also leads on update cadence (every 3 days vs every 3 weeks) and iOS requirement (13.0 vs 17.0). On price, ads and device support there is nothing between them.

Both are free to download. 日本国憲法 sells 1 one-off in-app purchase. 世界人口電卓 asks for nothing beyond the download.

世界人口電卓 ships an update every 3 days, 日本国憲法 every 3 weeks. The most recent releases landed on November 12, 2026 and October 30, 2026 respectively.

## The numbers

| Metric | 世界人口電卓 | 日本国憲法 |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Every 3 days** | Every 3 weeks |
| Monetization | — | Free |
| Size | 5 MB | 1 MB |
| Requires iOS | **13.0** | 17.0 |
| Devices | **iPhone, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [HANAUTA INC.](https://appshunter.io/developer/492009717) | [Michiaki FUJIKAKE](https://appshunter.io/developer/1787375652) |

## What reviewers say

### 世界人口電卓

[App page](https://appshunter.io/ios/app/id6444753498)

**Features:** macOS Compatibility

**In-app purchases:** none


### 日本国憲法

[App page](https://appshunter.io/ios/app/id6739873331)

This app provides easy access to the Japanese Constitution, both old and new. Designed for simplicity and readability on mobile devices, it offers a clean interface without ads. Users can suggest improvements to help shape its future development.

**Highlights:** Access to old and new Japanese Constitutions, Simple, single-screen display of articles, Optimized readability for mobile screens, Ad-free experience, User feedback for future development

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 作者に缶コーヒー代を送る | $0.99 | one-time |


## Frequently asked questions

### Is 世界人口電卓 free?

世界人口電卓 is free to download, with no in-app purchases.

### Is 日本国憲法 free?

日本国憲法 is free to download, with in-app purchases available.

### Do 世界人口電卓 or 日本国憲法 have ads?

Neither 世界人口電卓 nor 日本国憲法 shows ads.

### Which is updated more often, 世界人口電卓 or 日本国憲法?

世界人口電卓 ships an update every 3 days, and 日本国憲法 every 3 weeks. Most recently, 世界人口電卓 was updated on November 12, 2026 and 日本国憲法 on October 30, 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.*