# Power Stone vs 診断 for 薬屋のひとりごと

The clearest difference is update cadence: 診断 for 薬屋のひとりごと at every 3 weeks against Power Stone's every 67 months. On price, ads, in-app purchases and device support there is nothing between them.

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

Power Stone ships an update every 67 months, 診断 for 薬屋のひとりごと every 3 weeks. The most recent releases landed on October 11, 2026 and October 13, 2026 respectively.

## The numbers

| Metric | Power Stone | 診断 for 薬屋のひとりごと |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/power-stone/id532068372/reviews)** | — |
| Number of ratings | **1** | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 67 months | **Every 3 weeks** |
| Monetization | Free | — |
| Size | 11 MB | 37 MB |
| Requires iOS | **14.0** | 15.1 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [ZOOMO Inc.](https://appshunter.io/developer/490112424) | [takamoto sakai](https://appshunter.io/developer/1896195459) |

## What reviewers say

### Power Stone

[App page](https://appshunter.io/ios/app/power-stone/id532068372)

Discover your ideal charmstone by answering a series of ten questions. This intuitive tool guides you to find the stone that best suits you based on your responses.

**Highlights:** Charmstone identification, Ten-question quiz, Personalized stone recommendations, User-friendly interface

**Features:** macOS Compatibility

**In-app purchases:** none


### 診断 for 薬屋のひとりごと

[App page](https://appshunter.io/ios/app/for-8/id6769830216)

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

**In-app purchases:** none


## Frequently asked questions

### Is Power Stone free?

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

### Is 診断 for 薬屋のひとりごと free?

診断 for 薬屋のひとりごと is free to download, with no in-app purchases.

### Do Power Stone or 診断 for 薬屋のひとりごと have ads?

Neither Power Stone nor 診断 for 薬屋のひとりごと shows ads.

### Which is updated more often, Power Stone or 診断 for 薬屋のひとりごと?

Power Stone ships an update every 67 months, and 診断 for 薬屋のひとりごと every 3 weeks. Most recently, Power Stone was updated on October 11, 2026 and 診断 for 薬屋のひとりごと on October 13, 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.*