# 開運MAPS vs Happy Compass

The clearest difference is in-app purchases: 開運MAPS at none against Happy Compass's 2. 開運MAPS also leads on ads (none vs shown) and iOS requirement (13.0 vs 16.0). Happy Compass's advantage is update cadence (monthly vs every 2 months). On price and device support there is nothing between them.

Both are free to download. Happy Compass sells 2 in-app purchases, starting at $1.99 per month. 開運MAPS asks for nothing beyond the download.

開運MAPS ships an update every 2 months, Happy Compass monthly. The most recent releases landed on November 3, 2026 and November 10, 2026 respectively.

## The numbers

| Metric | 開運MAPS | Happy Compass |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 2 months | **Monthly** |
| Monetization | Free | — |
| Size | 47 MB | 6 MB |
| Requires iOS | **13.0** | 16.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, Apple Watch |
| Age rating | 4+ | 4+ |
| Developer | [シンクタンク マインドズーム](https://appshunter.io/developer/1540479855) | [Hiroshi Yamazaki](https://appshunter.io/developer/315980148) |

## What reviewers say

### 開運MAPS

[App page](https://appshunter.io/ios/app/maps/id1540479853)

This app provides a stylish and simple interface for Nine Star Ki and directional astrology. It allows users to register multiple locations, measure elevation differences between two points, and view various directional lines on a map. The design encourages users to think critically about the principles behind the readings.

**Highlights:** Nine Star Ki and directional astrology, Multiple location registration, Elevation difference measurement, Distance and direction measurement, Map display options, PDF export, Print compatibility

**Features:** Vision Pro support

**In-app purchases:** none


### Happy Compass

[App page](https://appshunter.io/ios/app/happy-compass/id6770814594)

**Features:** macOS Compatibility, Apple Watch app, Vision Pro support

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly Premium | $1.99 | per month |
| Yearly Premium | $14.99 | per year |


## Frequently asked questions

### Is 開運MAPS free?

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

### Is Happy Compass free?

Happy Compass is free to download, with in-app purchases available.

### Do 開運MAPS or Happy Compass have ads?

Happy Compass shows ads; 開運MAPS does not.

### Which is updated more often, 開運MAPS or Happy Compass?

開運MAPS ships an update every 2 months, and Happy Compass monthly. Most recently, 開運MAPS was updated on November 3, 2026 and Happy Compass on November 10, 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.*