# 欧加会 vs 三思照度计

The clearest difference is update cadence: 三思照度计 at every 2 weeks against 欧加会's every 4 months. 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.

欧加会 ships an update every 4 months, 三思照度计 every 2 weeks. The most recent releases landed on September 18, 2026 and September 9, 2026 respectively.

## The numbers

| Metric | 欧加会 | 三思照度计 |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 4 months | **Every 2 weeks** |
| Size | 84 MB | 1 MB |
| Requires iOS | **12.0** | 13.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Beijing Jiaxin Mingyang Technology Co., Ltd.](https://appshunter.io/developer/1742725999) | [Shanghai Sansi Electronic Engineering Co., Ltd](https://appshunter.io/developer/965055646) |

## What reviewers say

### 欧加会

[App page](https://appshunter.io/ios/app/id1551619165)

**Features:** macOS Compatibility

**In-app purchases:** none


### 三思照度计

[App page](https://appshunter.io/ios/app/id6446383682)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is 欧加会 free?

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

### Is 三思照度计 free?

三思照度计 is free to download, with no in-app purchases.

### Do 欧加会 or 三思照度计 have ads?

Neither 欧加会 nor 三思照度计 shows ads.

### Which is updated more often, 欧加会 or 三思照度计?

欧加会 ships an update every 4 months, and 三思照度计 every 2 weeks. Most recently, 欧加会 was updated on September 18, 2026 and 三思照度计 on September 9, 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.*