Chroma key green screen app vs DiffPic
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Chroma key green screen app
Easily combine images or videos by replacing specific color areas. This app allows you to key out green, red, or blue tones from your photos or videos and replace them with custom backgrounds from your gallery or new recordings.
- Chroma keying for image/video background replacement
- Key out green, red, or blue tones
- Use gallery images or new recordings as backgrounds
- Adjust editor settings
- Save results
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Chroma keying is a technique used for combining two frames or images by replacing a color in one frame with another. Chroma key, which is also known as Color Keying, Color Separation Overlay, Bluebox, Greenbox, is now available on your phone. As an image or video background changer, apply this technique to your images or videos in a very easy way. Use our green, red or blue tones to key out objects from your photos or videos. How to apply Chroma key visual effect? • Choose a background image from your gallery or take a new one • Select your scene • Adjust the editor settings • Replace the green, red or blue area images by another image or video • Add a custom background using the Chroma key effect • Click done to save the result If you like our app, please rate and comment to help us improve! Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula
DiffPic
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**Discover the power of visual progress tracking with DiffPic!** Transform your before-and-after photos into meaningful insights with automatic time difference calculations. Whether you're on a fitness journey, tracking food transformations, documenting home renovations, or simply capturing life's changes, DiffPic makes it easy to see and share your progress. ### Key Features - **Smart Photo Comparison**: Select or capture before and after photos from your camera or gallery - **Automatic Time Tracking**: EXIF data analysis calculates exact time differences between photos - **Flexible Layouts**: Choose from vertical, horizontal, or grid views to showcase your transformations - **Instant Sharing**: Share your progress directly to social media platforms - **Privacy-First**: No data storage, photos stay on your device - **Lightning Fast**: Minimal interface designed for quick comparisons ### Perfect For - **Fitness & Weight Loss**: Track your transformation journey with precise time stamps - **Food & Cooking**: Document recipe results and meal prep progress - **Home & Garden**: Show renovation progress or plant growth over time - **Beauty & Skincare**: Capture treatment results and skin improvement - **Pet Care**: Monitor your pet's growth and health changes - **Any Progress**: From hobby projects to personal achievements ### Privacy & Security - Photos never leave your device unless you choose to share - No account required - No data collection or tracking - Camera and photo library access only when needed ### Universal App - iPhone and iPad support - Optimized for all screen sizes - Dark mode ready - Offline functionality Download DiffPic today and start visualizing your progress like never before!
Screenshots
Verdict
The clearest difference is ads: DiffPic at none against Chroma key green screen app's shown. DiffPic also leads on update cadence (every 3 weeks vs every 18 months). On price, in-app purchases, device support and iOS requirement 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
Both are free to download. Chroma key green screen app sells 3 in-app purchases, starting at $7.99 per 7 days and DiffPic sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.
Chroma key green screen app ships an update every 18 months, DiffPic every 3 weeks. The most recent releases landed on October 6, 2026 and October 3, 2026 respectively.
| Parameter | Chroma key green screen app | DiffPic |
|---|---|---|
| Price | Free | Free |
| Positive reviews | 15.0% of reviews | — |
| Update frequency | Every 18 months | Every 3 weeks — better |
| Ads | Yes | No — better |
| In-app purchases | Yes | Yes |
| Monetization | Free with in-app purchases | — |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 14.0 — better | 15.1 |
| Further details — not scored | ||
| Size | 44 MB | 23 MB |
| Age rating | 4+ | 4+ |
| Developer | Maria Gascon | Christopher Brown |
Bugs and requests
Chroma key green screen app
Reported bugs
146 issues- App does not work
- Premium features do not work
- Too many ads
- Background appears everywhere
- Cropped screen
Show 141 moreShow fewer
- App is laggy
- Cannot open app
- Only records 1 minute
- No sound
- Cannot use custom photos
- Not landscape mode
- App is fake
- Does not explain purchase details
- Green screen not detected
- Skin tone mistaken for green
- Video quality is bad
- App is garbage
- Does not work as advertised
- Not as good as others
- App is useless
- Does not work with blue screen
- Assumes user knowledge
- Lazy/boring name
- Scam app
- Terrible
- Awful
- Paid for premium, doesn't work
- Refund requested
- Fix this
- Unusable
- Horrible
- Bad
- Does not work
- Very bad
- Useless app
- Lixo virtual
- Horrível
- Masakra
- Malo
- Garbage
- Crap
- LIXO VIRTUAL
- No nie
- Жесть
- Richtig richtig blöd und schlecht
- O aplicativo é muito ruim
- Absoluter Müll!
- Doesn’t work ok
- I hate this app!!
- Uh?
- Horrivel
- Horrível
- Horrível
- Não consigo colocar vídeo no fundo
- No nie
- Schöne App mit einem großen Nachteil…
- Not a good app at all
- Amazing
- Bom
- 👎
- Doesn’t work!
- WHYYY??!?
- Zero stars Crap
- Don’t bother
- Only works for photos
- La peor aplicación
- Soooo goood
- Horrible
- Ma gusto
- Lixo?
- useless app
- La peor
- Que ho r r o r! !
- Horrible
- Doesn’t Work
- Read the reviews first
- Bad
- Really bad
- Problème gênant 😬
- App lixo
- App mais idiota
- Schrott
- Está para o orto
- Don’t work (horrible)
- It’s cool
- Muito bom...
- Does not work
- This app is.......I don’t know how to explain how bad it is
- 内課金かよ
- Not as good as others
- No vale nada
- G A R B A G E
- Buena
- Who designed the interface?
- Horrible
- Doesn’t Work
- Horrível
- か
- Pretty decent.
- ruim
- Bad
- Nul
- This app is very good
- Eh
- Horrible
- Works, but not how you'd think
- It ok
- Rubbish
- Muito bom
- Terrible!
- Horribleee
- HORRIBLE
- Trash
- Unsettling, sketchy
- Fake and useless
- Arnaque
- 👎👎👎
- Great but no sound
- Офигенно!!!
- Useless
- Bien
- Would no recommend
- Trash
- Problème de son
- Finally a free green screen app!!
- 動画入れられない
- Só grava 1 minuto
- Um lixo virtual
- 💩
- Does not function as described
- Nul
- NUL
- Can’t use custom photos :(
- It’s not very good
- Nul
- Déçu,
- 動画でてこず。。
- Don’t get it
- ん?
- Loading problem
- Satisfatório
- Better Rating
- Фу
- Hate it
- This thing is garbage
- Worst ever
Requested features
21 requests- Allow video import
- Allow custom photos
- Add tutorials
- Fix landscape mode
- Improve video quality
Show 16 moreShow fewer
- Add sound recording
- Allow longer video recording
- Improve interface
- Fix green screen detection
- Fix skin tone detection
- Add ability to use videos from camera roll
- Make it work for videos
- Clarify purchase details
- Improve app performance
- Add option to film in landscape
- Remove ads
- Add advanced features
- Allow background videos
- Fix cropping issue
- Make it work with blue screen
- Provide clear instructions
DiffPic
Not enough reviews yet to summarise bugs or requests.
In-app purchases
Chroma key green screen app
- Weekly subscription$7.997 Days
- Remove Ads$6.99
- Lifetime plan$29.99
DiffPic
- Remove Watermark$0.99
Questions
Is Chroma key green screen app free?
Is DiffPic free?
Do Chroma key green screen app or DiffPic have ads?
Which is updated more often, Chroma key green screen app or DiffPic?
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