# ContrastLab vs InferiumE

The clearest difference is update cadence: ContrastLab at every 2 days against InferiumE's weekly. 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.

ContrastLab ships an update every 2 days, InferiumE weekly. The most recent releases landed on September 5, 2026 and September 10, 2026 respectively.

## The numbers

| Metric | ContrastLab | InferiumE |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 2 days** | Weekly |
| Size | 50 MB | 31 MB |
| Requires iOS | 13.0 | 13.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Sinem gul Kayar](https://appshunter.io/developer/1896174315) | [Khoi Nguyen Van](https://appshunter.io/developer/6774994769) |

## What reviewers say

### ContrastLab

[App page](https://appshunter.io/ios/app/contrastlab-c/id6766043594)

**Features:** macOS Compatibility

**In-app purchases:** none


### InferiumE

[App page](https://appshunter.io/ios/app/inferiume/id6790692063)

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

**In-app purchases:** none


## Frequently asked questions

### Is ContrastLab free?

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

### Is InferiumE free?

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

### Do ContrastLab or InferiumE have ads?

Neither ContrastLab nor InferiumE shows ads.

### Which is updated more often, ContrastLab or InferiumE?

ContrastLab ships an update every 2 days, and InferiumE weekly. Most recently, ContrastLab was updated on September 5, 2026 and InferiumE on September 10, 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.*