# iHDジャパン公式アプリ vs HabitViz

The clearest difference is ads: iHDジャパン公式アプリ at none against HabitViz's shown. HabitViz's advantage is update cadence (every 5 days vs every 31 months). On price, in-app purchases, device support and iOS requirement there is nothing between them.

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

iHDジャパン公式アプリ ships an update every 31 months, HabitViz every 5 days. The most recent releases landed on October 14, 2026 and September 17, 2026 respectively.

## The numbers

| Metric | iHDジャパン公式アプリ | HabitViz |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | Every 31 months | **Every 5 days** |
| Size | 77 MB | 49 MB |
| Requires iOS | **14.0** | 15.1 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [AIHO-RUDHINGUSUJAPAN K.K.](https://appshunter.io/developer/1680666979) | [Kanji Goto](https://appshunter.io/developer/1799644657) |

## What reviewers say

### iHDジャパン公式アプリ

[App page](https://appshunter.io/ios/app/ihd/id6447232915)

**In-app purchases:** none


### HabitViz

[App page](https://appshunter.io/ios/app/habitviz/id6746373742)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is iHDジャパン公式アプリ free?

iHDジャパン公式アプリ is free to download, with no in-app purchases.

### Is HabitViz free?

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

### Do iHDジャパン公式アプリ or HabitViz have ads?

HabitViz shows ads; iHDジャパン公式アプリ does not.

### Which is updated more often, iHDジャパン公式アプリ or HabitViz?

iHDジャパン公式アプリ ships an update every 31 months, and HabitViz every 5 days. Most recently, iHDジャパン公式アプリ was updated on October 14, 2026 and HabitViz on September 17, 2026.

---

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