# 無機化学 vs KULMS+ Mobile

The clearest difference is update cadence: 無機化学 at every 2 days against KULMS+ Mobile's weekly. 無機化学 also leads on iOS requirement (15.6 vs 17.0). 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.

無機化学 ships an update every 2 days, KULMS+ Mobile weekly. The most recent releases landed on November 10, 2026 and November 5, 2026 respectively.

## The numbers

| Metric | 無機化学 | KULMS+ Mobile |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (2 ratings)](https://appshunter.io/ios/app/id1351078183/reviews)** | — |
| Number of ratings | **2** | — |
| Positive reviews | 98.1% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 2 days** | Weekly |
| Size | 42 MB | 4 MB |
| Requires iOS | **15.6** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Hideki Touhara](https://appshunter.io/developer/1268738829) | [Oonishi Daichi](https://appshunter.io/developer/1893206903) |

## What reviewers say

### 無機化学

[App page](https://appshunter.io/ios/app/id1351078183)

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

**In-app purchases:** none


### KULMS+ Mobile

[App page](https://appshunter.io/ios/app/kulms-plus-mobile/id6762236865)

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

**In-app purchases:** none


## Frequently asked questions

### Is 無機化学 free?

無機化学 is free to download, with no in-app purchases.

### Is KULMS+ Mobile free?

KULMS+ Mobile is free to download, with no in-app purchases.

### Do 無機化学 or KULMS+ Mobile have ads?

Neither 無機化学 nor KULMS+ Mobile shows ads.

### Which is updated more often, 無機化学 or KULMS+ Mobile?

無機化学 ships an update every 2 days, and KULMS+ Mobile weekly. Most recently, 無機化学 was updated on November 10, 2026 and KULMS+ Mobile on November 5, 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.*