# Keystone Photo Lab vs RawMask Studio

The clearest difference is in-app purchases: RawMask Studio at none against Keystone Photo Lab's 6. Keystone Photo Lab's advantage is iOS requirement (15.0 vs 17.0). On price, update cadence, ads and device support there is nothing between them.

Both are free to download. Keystone Photo Lab sells 6 in-app purchases, starting at $2.99 per month. RawMask Studio asks for nothing beyond the download.

Keystone Photo Lab ships an update every 6 days, RawMask Studio weekly. Both last shipped on October 31, 2026.

## The numbers

| Metric | Keystone Photo Lab | RawMask Studio |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (2 ratings)](https://appshunter.io/ios/app/keystone-photo-lab/id6759060598/reviews)** | — |
| Number of ratings | **2** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 6 days** | Weekly |
| Monetization | Free with in-app purchases | — |
| Size | 27 MB | 227 MB |
| Requires iOS | **15.0** | 17.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, Mac |
| Age rating | 4+ | 4+ |
| Developer | [MYKOLA KINDRATYSHYN](https://appshunter.io/developer/1876605049) | [Besarion Turmanauli](https://appshunter.io/developer/6814994541) |

## What reviewers say

### Keystone Photo Lab

[App page](https://appshunter.io/ios/app/keystone-photo-lab/id6759060598)

This app corrects perspective distortions and fills empty corners with AI. It can also expand image frames, upscale resolution, and preserve wide-gamut color and HDR. Edits are processed at full quality without requiring an account.

**Highlights:** Perspective and keystone correction, AI corner fill at full resolution, Generative expand for extending frames, Upscale and recreate image details, Preserves Display P3 color and HDR, Maintains original file format and metadata

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

**In-app purchases (6)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Play (Monthly) | $2.99 | per month |
| Media (Monthly) | $9.99 | per month |
| Play (Yearly) | $29.99 | per year |
| Pro (Monthly) | $29.99 | per month |
| Media (Yearly) | $99.99 | per year |
| Pro (Yearly) | $299.99 | per year |


### RawMask Studio

[App page](https://appshunter.io/ios/app/rawmask-studio/id6814994539)

**In-app purchases:** none


## Frequently asked questions

### Is Keystone Photo Lab free?

Keystone Photo Lab is free to download, with in-app purchases available.

### Is RawMask Studio free?

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

### Do Keystone Photo Lab or RawMask Studio have ads?

Neither Keystone Photo Lab nor RawMask Studio shows ads.

### Which is updated more often, Keystone Photo Lab or RawMask Studio?

Keystone Photo Lab ships an update every 6 days, and RawMask Studio weekly. Most recently, Keystone Photo Lab was updated on October 31, 2026 and RawMask Studio on October 31, 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.*