Comparison

ProKnockOut vs Background Eraser

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

ProKnockOut

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
Read full description

ProKnockOut is an AI photo editor built for powerful cutouts, background removal, object erasing and creative photo editing. Create clean, professional images in just a few taps. BACKGROUND REMOVER • Remove backgrounds with one tap • Cut out people, products, animals and objects • Refine hair, fur and fine edges • Create transparent PNG images • Replace backgrounds with your own photos PHOTO CUTOUT & COMPOSITION • Make precise photo cutouts • Use Lasso, Eraser and other selection tools • Combine multiple images with layers • Create seamless photo compositions • Adjust and blend images with ease AI PHOTO TOOLS • AI photo editing • AI-powered creative effects • AI image generation • AI Expand for extending image backgrounds • AI product images for professional product scenes • AI restoration and colorization tools MAGIC ERASER • Remove unwanted objects and people • Clean up distractions from your photos • Restore the surrounding background naturally ID PHOTO • Create ID and passport-style photos • Change background colors • Choose from multiple photo sizes • Automatic cutout and photo adjustments CREATIVE PHOTO EDITING • 100+ filters and effects • 23 blend modes • Stickers, text and templates • Photo collages • Custom image sizes • Transparent PNG and JPG export Whether you are creating product images, social media content, ID photos or everyday edits, ProKnockOut gives you the tools to cut, edit, compose and perfect your photos. Privacy Policy: http://www.godimage.mobi/policy Terms of Use: http://www.godimage.mobi/terms

About

Background Eraser

Easily cut out subjects from photos with automatic recognition or manual brush tools. Enhance your images by adding color strokes, text, stickers, and custom backgrounds. Quickly combine multiple images for creative compositions.

Highlights
  • Automatic portrait matting
  • Brush matting
  • Multiple matting shapes
  • Add color line strokes
  • Customizable backgrounds
  • Text editing
  • Sticker addition
Features
Read full description

Do you want to cut out the characters in the picture quickly? Do you want to make your pictures more beautiful and interesting! This App can help you cut out any material you need from the picture, just a few simple operations, you can make a perfect picture! MAIN FUNCTIONS MATTING FUNCTION - Automatic portrait recognition, quick matting with one click - Brush matting, custom matting area - Multiple matting shape choices PICTURE EDITING - Add color line strokes to the matting section - Picture scale switching, supporting multiple image scale selection - Picture background, support solid color, local album selects photos to add to the picture background - Text editing to add interesting font styles to pictures - Add stickers to make pictures more delicate and lovely QUICK MAPPING - Select random arrangement and combination of pictures to quickly generate pictures If you have any questions and suggestions in the process of using, please give us feedback in the App.

Screenshots

ProKnockOut4 screens
Background Eraser4 screens

Verdict

The call

The clearest difference is in-app purchases: Background Eraser at none against ProKnockOut's 12. ProKnockOut's advantage is ratings volume (74K vs 354) and update cadence (monthly vs every 3 months). On price, rating, review sentiment and ads there is nothing between them.

Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. ProKnockOut sells 11 in-app purchases, starting at $4.99 per 7 days. Background Eraser asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

On the App Store both sit at effectively the same score — 4.6 for ProKnockOut against 4.7 for Background Eraser. That said, the two scores are not equally well evidenced: ProKnockOut has 74K ratings behind it against 354, so its average is the more settled of the two. Written reviews are what separate them: 73% of ProKnockOut's written reviews are positive against 71% of Background Eraser's.

UpkeepUpdate frequency

ProKnockOut ships an update monthly, Background Eraser every 3 months. Both last shipped on September 29, 2026.

Scorecard4 real differences · 6 level
ProKnockOut versus Background Eraser: the parameters behind the verdict, then further details
ParameterProKnockOutBackground Eraser
PriceFreeFree
Rating4.6 (74K ratings)4.7 (354 ratings) — better
Positive reviews73.4% of reviews — better70.6% of reviews
Number of ratings74K — better354
Update frequencyMonthly — betterEvery 3 months
AdsYesYes
In-app purchasesYesNo — better
MonetizationFreemiumAd-supported — better
DevicesiPhone, iPad, iPod, Mac — betteriPhone, iPad, iPod
Requires iOS13.012.0 — better
Further details — not scored
Size221 MB175 MB
Age rating9+4+
DeveloperRETOUCH AI PTE.LTD.传彬 戴

Customer experience

ProKnockOut

All ratings73,954 ratings
Positive88.6%
Neutral4.5%
Negative7.0%
Written reviews954 reviews
Positive73.4%
Neutral5.0%
Negative21.6%

Background Eraser

All ratings354 ratings
Positive90.7%
Neutral4.0%
Negative5.4%
Written reviews17 reviews
Positive70.6%
Neutral0.0%
Negative29.4%

User reviews

ProKnockOut

From 74K App Store ratings

What we love

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

Room to improve

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

Background Eraser

From 354 App Store ratings

What we love

  • 👍 Easy and fast to use
  • 👍 Great for editing
  • 👍 Very useful
  • 👍 Cool app, no need for Canva
  • 👍 Funny for pranks

Room to improve

  • 👎 Limited background options
  • 👎 Intrusive ads
  • 👎 Picture isn't perfect, looks flawed
  • 👎 Boring
  • 👎 Very bad, don't download

Bugs and requests

ProKnockOut

Reported bugs

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

Requested features

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

Background Eraser

Reported bugs

1 issue
  • Picture isn't perfect, looks flawed

Requested features

1 request
  • Add holiday background choices

In-app purchases

11 purchases

ProKnockOut

Subscriptions7
  • Weekly VIP Membership3 Days trial$4.997 Days
  • Weekly VIP-Flash sale7 Days trial$4.997 Days
  • Monthly VIP Membership$5.991 Month
Show 4 more
  • Monthly VIP-Flash sale1 Month trial$5.991 Month
  • AI Membership-Weekly3 Days trial$9.997 Days
  • Semiannually VIP Membership14 Days trial$16.496 Months
  • Yearly VIP Membership14 Days trial$26.991 Year
One-time4
  • Save HD Image Once$0.99
  • Universal unlock 1 time$0.99
  • Save Pics In High Resolution$3.99
Show 1 more
  • Pro Bundle Pack$4.99
None

Background Eraser

No in-app purchases

Questions

Is ProKnockOut free?
ProKnockOut is free to download, with in-app purchases available.
Is Background Eraser free?
Background Eraser is free to download, with no in-app purchases.
Which has better reviews, ProKnockOut or Background Eraser?
Background Eraser is rated higher. ProKnockOut averages 4.6 out of 5 from 74K ratings, while Background Eraser averages 4.7 from 354 ratings.
Do ProKnockOut or Background Eraser have ads?
Both ProKnockOut and Background Eraser show ads.
Which is updated more often, ProKnockOut or Background Eraser?
ProKnockOut ships an update monthly, and Background Eraser every 3 months. Most recently, ProKnockOut was updated on September 29, 2026 and Background Eraser on September 29, 2026.

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