# Background Eraser vs ProKnockOut

The clearest difference is monetization model: ProKnockOut at freemium against Background Eraser's subscription. ProKnockOut also leads on device support (4 vs 2) and iOS requirement (13.0 vs 17.0). Background Eraser's advantage is update cadence (every 4 days vs monthly). On price, rating, review sentiment and ratings volume there is nothing between them.

Both are free to download. Background Eraser sells 2 in-app purchases, starting at $12.99 per year and ProKnockOut sells 11 in-app purchases, starting at $4.99 per 7 days. Whichever you choose, the download price is not the number that matters.

On the App Store both sit at effectively the same score — 4.5 for Background Eraser against 4.6 for ProKnockOut. Both are backed by a comparable volume of ratings — 134K and 74K respectively. Written reviews are what separate them: 75% of Background Eraser's written reviews are positive against 73% of ProKnockOut's.

Background Eraser ships an update every 4 days, ProKnockOut monthly. Both last shipped on October 25, 2026.

## The numbers

| Metric | Background Eraser | ProKnockOut |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.5 (134K ratings)](https://appshunter.io/ios/app/background-eraser-ai-remove/id815072622/reviews) | **[4.6 (74K ratings)](https://appshunter.io/ios/app/proknockout-cut-paste-photos/id944665061/reviews)** |
| Number of ratings | **134K** | 74K |
| Positive reviews | **74.9% of reviews** | 73.3% of reviews |
| In-app purchases | Yes | Yes |
| Ads | Yes | Yes |
| Update frequency | **Every 4 days** | Monthly |
| Monetization | Subscription | **Freemium** |
| Size | 111 MB | 218 MB |
| Requires iOS | 17.0 | **13.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod, Mac** |
| Age rating | 4+ | 9+ |
| Developer | [SUNWOONG JANG](https://appshunter.io/developer/515224445) | [RETOUCH AI PTE. LTD.](https://appshunter.io/developer/6778639908) |

## What reviewers say

### Background Eraser

[App page](https://appshunter.io/ios/app/background-eraser-ai-remove/id815072622)

Effortlessly remove backgrounds from your photos with AI-powered tools. Maintain transparency, fine-tune edges, and add new backgrounds. Export in high resolution and various formats.

**Highlights:** AI background removal, Transparency maintenance, Fine pixel-level accuracy, Erase/Restore tool, Crop with presets, Adjust image effects, Add new backgrounds

**Features:** Vision Pro support

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pro - Annual | $12.99 | per year |
| Remove AD & remove watermark | $9.99 | one-time |

**What reviewers like**

- 🚀 Easy to use
- 👍 Helpful for editing photos
- 💡 Allows custom backgrounds
- 🚀 Efficient background removal
- 👍 Useful for digital scrapbooking

**What reviewers complain about**

- 🐛 Crashes when saving edited photos
- 🔒 Forced to follow social media for full access
- 🔒 Paid version doesn't remove all ads
- 🐛 Eraser tool can be inaccurate
- 🐛 Leaves pixelated edges after background removal

**Reported bugs**

- Inability to exit ad screen
- Losing progress when switching apps
- Inconsistent background removal quality
- Paid version not working as expected

**Requested features**

- Add more background options
- Improve accuracy of eraser tool
- Implement undo/redo functionality
- Allow importing custom backgrounds
- Add tutorial or guidance for new users


### ProKnockOut

[App page](https://appshunter.io/ios/app/proknockout-cut-paste-photos/id944665061)

Effortlessly remove backgrounds from photos with AI-powered tools. Create collages, ID photos, and edit images with multi-layer synthesis and a variety of filters and effects. Easily erase unwanted objects and refine details for professional-looking results.

**Highlights:** One-click cutout, Batch cutout, Manual selection tools, Multi-layer composition, ID photo creation, Magic Eraser for object removal, 100+ filters and effects

**Features:** iMessage stickers, Vision Pro support

**In-app purchases (11)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly VIP Membership | $4.99 | per 7 days |
| Weekly VIP-Flash sale | $4.99 | per 7 days |
| Monthly VIP Membership | $5.99 | per month |
| Monthly VIP-Flash sale | $5.99 | per month |
| AI Membership-Weekly | $9.99 | per 7 days |
| Semiannually VIP Membership | $16.49 | per 6 months |
| Yearly VIP Membership | $26.99 | per year |
| Save HD Image Once | $0.99 | one-time |
| Universal unlock 1 time | $0.99 | one-time |
| Save Pics In High Resolution | $3.99 | one-time |
| Pro Bundle Pack | $4.99 | one-time |

**What reviewers like**

- 🚀 Amazing features
- 👍 User-friendly
- 💡 Innovative AI tools
- 🤩 Excellent photo editing capabilities

**What reviewers complain about**

- 🐛 Buggy updates
- 💸 Expensive subscription
- 🤔 Confusing UI changes
- 🔍 Unreliable tool functionality

**Reported bugs**

- App crashes on launch
- Saved drafts disappearing
- AI tools not working as expected
- Subscription issues and double charging

**Requested features**

- Undo button for editing
- Improved transparency handling
- More intuitive sticker/layer management
- Better communication from developers


## Frequently asked questions

### Is Background Eraser free?

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

### Is ProKnockOut free?

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

### Which has better reviews, Background Eraser or ProKnockOut?

ProKnockOut is rated higher. Background Eraser averages 4.5 out of 5 from 134K ratings, while ProKnockOut averages 4.6 from 74K ratings.

### Do Background Eraser or ProKnockOut have ads?

Both Background Eraser and ProKnockOut show ads.

### Which is updated more often, Background Eraser or ProKnockOut?

Background Eraser ships an update every 4 days, and ProKnockOut monthly. Most recently, Background Eraser was updated on October 25, 2026 and ProKnockOut on October 25, 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.*