# AiDay vs 数工通

The clearest difference is iOS requirement: 数工通 at 10.0 against AiDay's 13.0. On price, update cadence, ads and in-app purchases there is nothing between them.

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

Both ship on a similar rhythm, roughly monthly. The most recent releases landed on October 29, 2026 and October 8, 2026 respectively.

## The numbers

| Metric | AiDay | 数工通 |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Monthly | Monthly |
| Size | 58 MB | 48 MB |
| Requires iOS | 13.0 | **10.0** |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [文杰 俞](https://appshunter.io/developer/946010348) | [Wuhan Surveying-Geotechnical Research Institute CO.LTD Of MCC](https://appshunter.io/developer/1524725347) |

## What reviewers say

### AiDay

[App page](https://appshunter.io/ios/app/aiday/id1196180474)

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

**In-app purchases:** none


### 数工通

[App page](https://appshunter.io/ios/app/id6469686035)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is AiDay free?

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

### Is 数工通 free?

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

### Do AiDay or 数工通 have ads?

Neither AiDay nor 数工通 shows ads.

### Which is updated more often, AiDay or 数工通?

AiDay ships an update monthly, and 数工通 monthly. Most recently, AiDay was updated on October 29, 2026 and 数工通 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.*