BigMagnify vs Celly.AI
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
BigMagnify
Transform your device into a powerful magnifying glass with an integrated flashlight. Offers multiple focus modes, image filters, and zoom levels for enhanced readability. Freeze and share magnified images easily.
- Full-screen magnification
- Image freezing and sharing
- Multiple focus modes
- Advanced image filters
- Adjustable flashlight
- Front-facing camera mirror
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Turn your iPhone/iPad into a state-of-the-art magnifying glass! BigMagnify is the most advanced magnifying glass app available, offering cutting-edge features while being simple to use. Features: - Use the ENTIRE screen as a BIG magnifying glass (after in-app purchase, which removes the ads) - Freeze the current image with a single tap and share the magnified image - Auto-focus mode, locked-focus mode, manual focus mode - Advanced image filters to improve visibility and readability - invert, sharpen and mono - Image stabilization - Tap-and-hold to focus - Intuitive gestures to zoom and to focus - Magnify at 1x, 2x, 4x and 8x zoom levels - Adjustable iPhone flash/torch for viewing in low-light situations. NOTE: Continued use of this feature may dramatically decrease battery life. - Use the front-facing camera so you can use BigMagnify as a magnified mirror
Celly.AI
This application uses AI and computer vision to analyze microscope scans, automating tasks like cell counting and parasite detection. It allows users to digitize microscopy using just an iPhone, improving lab speed and quality. The tool is intended for research use only.
- AI-powered microscopy analysis
- Cell counting and parasite detection
- WBC differential tests
- Digitize slides with an iPhone
- Cloud storage for scans
- Improve lab speed and quality
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Celly is autopilot for your microscope. The app makes scans, counts cells, detects malaria parasites, makes WBC differential, and many other tests using AI and computer vision. With the app, you don't have to buy an expensive slide scanner to digitize microscopy - just an iPhone. With Celly your laboratory can: - improve the speed and quality of microscopy; - defer tests to low-qualified staff; - scan your slides and store them in the cloud; How to use: 1) Sign Up 2) Connect your iPhone to the eyepiece of a microscope - https://celly.ai/ 3) Launch the test and feel the power of AI! Important: - Celly is intended for research use only.
Screenshots
Verdict
The clearest difference is in-app purchases: Celly.AI at none against BigMagnify's 1. Celly.AI also leads on update cadence (weekly vs monthly). BigMagnify's advantage is review sentiment (74% vs 50%) and iOS requirement (10.3 vs 15.0). On price, ads and device support 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. BigMagnify sells 1 one-off in-app purchase. Celly.AI asks for nothing beyond the download.
BigMagnify ships an update monthly, Celly.AI weekly. Both last shipped on October 24, 2026.
| Parameter | BigMagnify | Celly.AI |
|---|---|---|
| Price | Free | Free |
| Rating | 4.6 (2.4K ratings) — better | — |
| Positive reviews | 73.9% of reviews — better | 50.0% of reviews |
| Number of ratings | 2.4K — better | — |
| Update frequency | Monthly | Weekly — better |
| Ads | No | No |
| In-app purchases | Yes | No — better |
| Monetization | Free with in-app purchases | Free — better |
| Devices | iPhone, iPad, iPod — better | iPhone, iPod |
| Requires iOS | 10.3 — better | 15.0 |
| Further details — not scored | ||
| Size | 26 MB | 499 MB |
| Age rating | 4+ | 4+ |
| Developer | Dave Cheng | Celly.AI Corporation |
Customer experience
BigMagnify
Celly.AI
Bugs and requests
BigMagnify
Reported bugs
2 issues- Frequent crashes
- App freezing/not opening
Requested features
4 requests- Autofocus feature
- Manual focus control
- Improved image stabilization
- Option to disable ads
Celly.AI
Not enough reviews yet to summarise bugs or requests.
In-app purchases
BigMagnify
- Remove Ads$2.99
Celly.AI
No in-app purchases








