# 無機化学 vs manabo

無機化学 and manabo both sit at 5.0 stars, but that hides the real split: 98% of 無機化学's written reviews are positive against 34% of manabo's. 無機化学 also leads on update cadence (every 2 days vs every 5 weeks). On price, rating, ratings volume and ads there is nothing between them.

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

On the App Store both sit at effectively the same score — 5.0 for 無機化学 against 5.0 for manabo. Both are backed by a comparable volume of ratings — 2 and 1 respectively. Written reviews are what separate them: 98% of 無機化学's written reviews are positive against 34% of manabo's.

無機化学 ships an update every 2 days, manabo every 5 weeks. The most recent releases landed on November 9, 2026 and November 3, 2026 respectively.

## The numbers

| Metric | 無機化学 | manabo |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [5.0 (2 ratings)](https://appshunter.io/ios/app/id1351078183/reviews) | [5.0 (1 ratings)](https://appshunter.io/ios/app/manabo/id1583874711/reviews) |
| Number of ratings | **2** | 1 |
| Positive reviews | **98.1% of reviews** | 34.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 2 days** | Every 5 weeks |
| Monetization | — | Free |
| Size | 42 MB | 151 MB |
| Requires iOS | 15.6 | **15.5** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Hideki Touhara](https://appshunter.io/developer/1268738829) | [manabo, Inc.](https://appshunter.io/developer/734235685) |

## 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


### manabo

[App page](https://appshunter.io/ios/app/manabo/id1583874711)

Get instant academic help from university students and graduates. Ask questions anytime, anywhere and receive real-time guidance. This app is designed for educational institutions and cram schools.

**Highlights:** Ask questions anytime, anywhere, Real-time guidance from tutors, Connect with university students, Connect with university graduates, Designed for schools and cram schools

**Features:** 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 manabo free?

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

### Which has better reviews, 無機化学 or manabo?

無機化学 and manabo are both rated 5.0 out of 5 on the App Store, from 2 and 1 ratings respectively.

### Do 無機化学 or manabo have ads?

Neither 無機化学 nor manabo shows ads.

### Which is updated more often, 無機化学 or manabo?

無機化学 ships an update every 2 days, and manabo every 5 weeks. Most recently, 無機化学 was updated on November 9, 2026 and manabo on November 3, 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.*