# SteamDT vs Contract Lab

The clearest difference is ads: Contract Lab at none against SteamDT's shown. Contract Lab also leads on update cadence (weekly vs every 6 weeks). SteamDT's advantage is device support (3 vs 1) and iOS requirement (15.6 vs 18.0). On price 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.

SteamDT ships an update every 6 weeks, Contract Lab weekly. The most recent releases landed on October 13, 2026 and October 4, 2026 respectively.

## The numbers

| Metric | SteamDT | Contract Lab |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | Every 6 weeks | **Weekly** |
| Size | 41 MB | 69 MB |
| Requires iOS | **15.6** | 18.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 17+ | 4+ |
| Developer | [金华新果科技有限公司](https://appshunter.io/developer/1890049189) | [奇 林](https://appshunter.io/developer/1896582109) |

## What reviewers say

### SteamDT

[App page](https://appshunter.io/ios/app/steamdt/id6761506628)

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

**In-app purchases:** none


### Contract Lab

[App page](https://appshunter.io/ios/app/contract-lab/id6768622992)

**In-app purchases:** none


## Frequently asked questions

### Is SteamDT free?

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

### Is Contract Lab free?

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

### Do SteamDT or Contract Lab have ads?

SteamDT shows ads; Contract Lab does not.

### Which is updated more often, SteamDT or Contract Lab?

SteamDT ships an update every 6 weeks, and Contract Lab weekly. Most recently, SteamDT was updated on October 13, 2026 and Contract Lab on October 4, 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.*