# Causal Lens vs Causal

The clearest difference is price: Causal at Free against Causal Lens's $0.99. Causal also leads on iOS requirement (17.0 vs 26.0). On ads, in-app purchases and device support there is nothing between them.

Causal is free to download; Causal Lens costs $0.99 up front. Neither carries in-app purchases, so what you see is what you pay.

## The numbers

| Metric | Causal Lens | Causal |
| --- | --- | --- |
| Price | $0.99 | **Free** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | — | Every 6 days |
| Size | 3 MB | 17 MB |
| Requires iOS | 26.0 | **17.0** |
| Devices | iPhone | iPhone |
| Age rating | 4+ | 12+ |
| Developer | [Parker Snow](https://appshunter.io/developer/1890531340) | [Berry Street Research Group LLC](https://appshunter.io/developer/6779068537) |

## What reviewers say

### Causal Lens

[App page](https://appshunter.io/ios/app/causal-lens/id6761627087)

**Features:** macOS Compatibility

**In-app purchases:** none


### Causal

[App page](https://appshunter.io/ios/app/causal/id6779068535)

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

**In-app purchases:** none


## Frequently asked questions

### Is Causal Lens free?

Causal Lens costs $0.99, with no in-app purchases.

### Is Causal free?

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

### Do Causal Lens or Causal have ads?

Neither Causal Lens nor Causal shows ads.

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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.*