# Contraction & Labor Timer vs 竹知了3D

The clearest difference is update cadence: 竹知了3D at daily against Contraction & Labor Timer's every 3 weeks. 竹知了3D also leads on iOS requirement (13.0 vs 17.0). 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.

Contraction & Labor Timer ships an update every 3 weeks, 竹知了3D daily. The most recent releases landed on October 13, 2026 and October 11, 2026 respectively.

## The numbers

| Metric | Contraction & Labor Timer | 竹知了3D |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | Yes | Yes |
| Update frequency | Every 3 weeks | **Daily** |
| Size | 22 MB | 95 MB |
| Requires iOS | 17.0 | **13.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 12+ | 4+ |
| Developer | [Furkan Cingoz](https://appshunter.io/developer/1704681207) | [远青 谢](https://appshunter.io/developer/1705671931) |

## What reviewers say

### Contraction & Labor Timer

[App page](https://appshunter.io/ios/app/contraction-and-labor-timer-log/id6755719224)

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

**In-app purchases:** none


### 竹知了3D

[App page](https://appshunter.io/ios/app/3d/id6798277296)

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

**In-app purchases:** none


## Frequently asked questions

### Is Contraction & Labor Timer free?

Contraction & Labor Timer is free to download, with no in-app purchases.

### Is 竹知了3D free?

竹知了3D is free to download, with no in-app purchases.

### Do Contraction & Labor Timer or 竹知了3D have ads?

Both Contraction & Labor Timer and 竹知了3D show ads.

### Which is updated more often, Contraction & Labor Timer or 竹知了3D?

Contraction & Labor Timer ships an update every 3 weeks, and 竹知了3D daily. Most recently, Contraction & Labor Timer was updated on October 13, 2026 and 竹知了3D on October 11, 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.*