# 化學品安全資料庫 vs HOBBYX

The clearest difference is update cadence: HOBBYX at weekly against 化學品安全資料庫's every 3 months. 化學品安全資料庫's advantage is iOS requirement (12.0 vs 16.4). 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.

化學品安全資料庫 ships an update every 3 months, HOBBYX weekly. The most recent releases landed on October 5, 2026 and October 8, 2026 respectively.

## The numbers

| Metric | 化學品安全資料庫 | HOBBYX |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 28.6% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 months | **Weekly** |
| Size | 72 MB | 58 MB |
| Requires iOS | **12.0** | 16.4 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 9+ |
| Developer | [Occupational Safety & Health Council](https://appshunter.io/developer/556846192) | [Koon Chuen Lo](https://appshunter.io/developer/6780148687) |

## What reviewers say

### 化學品安全資料庫

[App page](https://appshunter.io/ios/app/id603966184)

**Features:** macOS Compatibility

**In-app purchases:** none


### HOBBYX

[App page](https://appshunter.io/ios/app/hobbyx-grading-tracker/id6780148685)

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

**In-app purchases:** none


## Frequently asked questions

### Is 化學品安全資料庫 free?

化學品安全資料庫 is free to download, with no in-app purchases.

### Is HOBBYX free?

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

### Do 化學品安全資料庫 or HOBBYX have ads?

Neither 化學品安全資料庫 nor HOBBYX shows ads.

### Which is updated more often, 化學品安全資料庫 or HOBBYX?

化學品安全資料庫 ships an update every 3 months, and HOBBYX weekly. Most recently, 化學品安全資料庫 was updated on October 5, 2026 and HOBBYX on October 8, 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.*