# RemoveCat vs Quantum

The clearest difference is device support: RemoveCat at 4 against Quantum's 2. RemoveCat also leads on iOS requirement (12.0 vs 17.4). On price, update cadence, ads and in-app purchases there is nothing between them.

Both are free to download. RemoveCat sells 2 in-app purchases, starting at $1.99 per month and Quantum sells 4 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.

RemoveCat ships an update every 8 days, Quantum fortnightly. The most recent releases landed on October 10, 2026 and October 4, 2026 respectively.

## The numbers

| Metric | RemoveCat | Quantum |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 50.0% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Every 8 days** | Fortnightly |
| Monetization | Free with in-app purchases | — |
| Size | 45 MB | 19 MB |
| Requires iOS | **12.0** | 17.4 |
| Devices | **iPhone, iPad, iPod, Mac** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [文龙 夏](https://appshunter.io/developer/1547437966) | [Perdus Labs](https://appshunter.io/developer/1601885718) |

## What reviewers say

### RemoveCat

[App page](https://appshunter.io/ios/app/removecat/id1633861893)

This photo editing tool offers professional-level background removal for various subjects, including portraits and products. It also provides features like face slimming, anime-style conversion, photo enhancement, and beauty filters.

**Highlights:** High-definition background removal, Face slimming and enhancement, Convert photos to anime style, Restore old photos, Apply beauty filters, Upload files up to 20MB

**Features:** Family Sharing

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly | $1.99 | per month |
| Annual | $13.49 | per year |


### Quantum

[App page](https://appshunter.io/ios/app/quantum-ai-photo-enhancer/id6504837857)

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

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 10 credit | $0.99 | one-time |
| 100 credit | $7.99 | one-time |
| 500 credit | $29.99 | one-time |
| 5000 credit | $249.99 | one-time |


## Frequently asked questions

### Is RemoveCat free?

RemoveCat is free to download, with in-app purchases available.

### Is Quantum free?

Quantum is free to download, with in-app purchases available.

### Do RemoveCat or Quantum have ads?

Neither RemoveCat nor Quantum shows ads.

### Which is updated more often, RemoveCat or Quantum?

RemoveCat ships an update every 8 days, and Quantum fortnightly. Most recently, RemoveCat was updated on October 10, 2026 and Quantum 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.*