# iSphere vs お薬・病気の百科事典

The clearest difference is update cadence: お薬・病気の百科事典 at every 5 months against iSphere's every 38 months. iSphere's advantage is iOS requirement (9.0 vs 13.0). 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.

iSphere ships an update every 38 months, お薬・病気の百科事典 every 5 months. The most recent releases landed on October 26, 2026 and October 18, 2026 respectively.

## The numbers

| Metric | iSphere | お薬・病気の百科事典 |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | — | 50.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 38 months | **Every 5 months** |
| Size | 6 MB | 23 MB |
| Requires iOS | **9.0** | 13.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 12+ | 17+ |
| Developer | [TOSHO.inc](https://appshunter.io/developer/433084489) | [takashi matsui](https://appshunter.io/developer/1846294816) |

## What reviewers say

### iSphere

[App page](https://appshunter.io/ios/app/isphere/id1165236895)

**Features:** macOS Compatibility

**In-app purchases:** none


### お薬・病気の百科事典

[App page](https://appshunter.io/ios/app/id6755352272)

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

**In-app purchases:** none


## Frequently asked questions

### Is iSphere free?

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

### Is お薬・病気の百科事典 free?

お薬・病気の百科事典 is free to download, with no in-app purchases.

### Do iSphere or お薬・病気の百科事典 have ads?

Neither iSphere nor お薬・病気の百科事典 shows ads.

### Which is updated more often, iSphere or お薬・病気の百科事典?

iSphere ships an update every 38 months, and お薬・病気の百科事典 every 5 months. Most recently, iSphere was updated on October 26, 2026 and お薬・病気の百科事典 on October 18, 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.*