# 無機化学 vs Tompedia

The clearest difference is review sentiment: 無機化学 at 98% against Tompedia's 33%. 無機化学 also leads on update cadence (every 2 days vs every 11 days) and iOS requirement (15.6 vs 18.0). 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, Tompedia every 11 days. The most recent releases landed on October 29, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | 無機化学 | Tompedia |
| --- | --- | --- |
| 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** | 33.3% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 2 days** | Every 11 days |
| Monetization | — | Free |
| Size | 40 MB | 50 MB |
| Requires iOS | **15.6** | 18.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Hideki Touhara](https://appshunter.io/developer/1268738829) | [Tompedia General Inc. Association](https://appshunter.io/developer/1767245106) |

## 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


### Tompedia

[App page](https://appshunter.io/ios/app/tompedia/id6670725617)

This app helps Tohoku University students manage their academic life. Features include creating timetables linked to the university syllabus, calculating GPAs by pasting grades, and checking class difficulty and vacant classrooms.

**Highlights:** Timetable creation linked to syllabus, Automatic GPA calculation, Class difficulty and evaluation reference, Vacant classroom finder, One-click Google Classroom access

**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 Tompedia free?

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

### Do 無機化学 or Tompedia have ads?

Neither 無機化学 nor Tompedia shows ads.

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

無機化学 ships an update every 2 days, and Tompedia every 11 days. Most recently, 無機化学 was updated on October 29, 2026 and Tompedia on October 24, 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.*