# BigMagnify — Magnifying glass + flashlight

> Advanced digital magnifying glass with flashlight and image filters. (iPhone/iPad app by Dave Cheng.)

- Source: https://appshunter.io/ios/app/bigmagnify/id393247466 (this page in markdown: same URL + `.md`)
- Developer: [Dave Cheng](https://appshunter.io/developer/387308223)
- Category: Medical, Lifestyle
- Price: Free with in-app purchases
- Rating: 4.60/5 from 2,386 App Store ratings · 135 written reviews indexed
- Age rating: 4+
- Requires: iOS 10.3 · 26 MB
- Languages: American English, French (France), German (Germany), Japanese, Chinese (Simplified, China), Chinese (Traditional, Taiwan)
- Released: 2010-09-25
- Data updated: 2026-08-18
- Monetization: free with in-app purchases
- User reviews in markdown: https://appshunter.io/ios/app/bigmagnify/id393247466/reviews.md

## What is BigMagnify?

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

## Key features

- Full-screen magnification
- Image freezing and sharing
- Multiple focus modes
- Advanced image filters
- Adjustable flashlight
- Front-facing camera mirror

## Pricing and in-app purchases

Base price: Free.

**One-time purchases**

| Purchase | Price | Type |
| --- | --- | --- |
| Remove Ads | $2.99 | one-time |


## What do users think of BigMagnify?

Overall sentiment: positive

**Pros**

- 👍 Great app
- 👍 Convenient magnifier
- 👍 Powerful magnification
- 👍 Useful for reading small text
- 👍 Handy for industrial/technical work
- 👍 Helps with vision issues

**Cons**

- 🐛 Blurry/poor image quality
- 🔋 High battery consumption
- 📢 Intrusive ads/pop-ups
- 🤖 Compatibility issues with newer iOS versions

**Commonly reported bugs**

- Frequent crashes
- App freezing/not opening

**Most requested features**

- Autofocus feature
- Manual focus control
- Improved image stabilization
- Option to disable ads

## Recent user reviews (10 of 135)

All indexed reviews: https://appshunter.io/ios/app/bigmagnify/id393247466/reviews.md

### 3/5 — Asking me for a rating

*2026-03-24, version 3.1.1*

Interrupting me while I’m trying to read

### 5/5 — Great

*2025-05-04, version 3.1.1*

Great app

### 5/5 — RYAN MURRAY

*2023-10-06, version 3.1.1*

I LOVE THIS APP BECAUSE IT LETS LOOK AT MY DOG’S FUR UP CLOSE SO I CAN LOOK FOR FLEAS

### 5/5 — This Big APP”

*2023-06-21, version 3.1.1*

Hiya there, This is absolutely amazing the filters are just fantastic for my study. I am looking forward to testing all of them. I also will let my colleagues know about this very plausible App.
Thanks Natasha (,”).

### 4/5 — Good magnifier on iPhone 12

*2023-04-08, version 3.1.1*

Good

### 4/5 — Best glass device

*2022-08-27, version 3.1.1*

Absolutely best thing I’ve ever used really appreciate it anybody got anything to eat or something drink or how about a little gas

### 5/5 — Wayne

*2022-07-22, version 3.1.1*

It works

### 1/5 — Annoying

*2022-04-29, version 3.1.1*

Magnifier works well enough but pop up ads every 30 seconds made me ditch this app quickly.

### 5/5 — Nice app, thankyou

*2022-02-13, version 3.1.1*

So then this was good. A must see for everyone. So when I was playing Polyforge, I got stuck on level 610 because i couldn't tedd which side the cursor pointed at until i installed this app.

### 5/5 — Magnifier

*2021-11-28, version 3.1.1*

Terrific magnifier! Thanks

## Frequently asked questions about BigMagnify

### What does BigMagnify do?

BigMagnify turns your iPhone or iPad into a sophisticated magnifying glass. It allows you to magnify text and objects, with features like a flashlight for low-light conditions and image filters to improve readability.

### What are the key features of BigMagnify?

Key features include using the entire screen as a magnifying glass, freezing and sharing magnified images, multiple focus modes (auto, locked, manual), advanced image filters (invert, sharpen, mono), image stabilization, and adjustable zoom levels up to 8x.

### Is BigMagnify free to use?

The app is free to download and use, but certain advanced features, such as using the entire screen as a magnifying glass and removing ads, require an in-app purchase.

### What devices is BigMagnify compatible with?

The app is designed for iPhone and iPad devices. It utilizes the device's camera and flash functionality.

### How can I use BigMagnify for reading?

You can use BigMagnify to enlarge small text on books, labels, or menus, making it easier to read. The adjustable flashlight and image filters further enhance visibility, especially in dim lighting.

## Version history (last 5 releases)

### 3.1.1 — 2020-03-09

Bug fixes and improvements

### 3.1.0 — 2020-02-28

* Updated to work with the iPhone Xs and 11 screens
* Use gestures to zoom and focus
* New onboarding instructions
* Updated the lock focus button labeling
* Added some accessibility labels
* (Free version) Less instrusive ads
* (Free version) New way to remove ads

### 3.0.7 — 2015-12-16

Bug fixes and library updates

### 3.0.6 — 2015-06-04

- Remember the focus position between launches
- Fixed potential crash when toggling image stabilization

### 3.0.5 — 2015-05-12

- Focus lock state is now remembered between launches
- Flash/torch is turned off when paused

## Apps similar to BigMagnify

| App | Rating | Price | Category |
| --- | --- | --- | --- |
| [Hearing Aid - Sound Amplifier](https://appshunter.io/ios/app/hearing-aid-sound-amplifier/id1367769102) | 4.0 (430) | Free | Medical |
| [eMAGNIFIER - Models & Filters](https://appshunter.io/ios/app/emagnifier-models-and-filters/id424579683) | 4.4 (251) | Free | Medical |
| [i-NTER SHOT2 for microscope](https://appshunter.io/ios/app/i-nter-shot2-for-microscope/id1028324053) | 1.0 (4) | Free | Medical |
| [Celly.AI](https://appshunter.io/ios/app/cellyai/id1506941881) | — | Free | Medical |
| [hearingOS - Hearing Aid App](https://appshunter.io/ios/app/hearingos-hearing-aid-app/id1150934267) | 4.1 (2,357) | Free | Medical |

## More apps by Dave Cheng

- [BigMagnify Pro](https://appshunter.io/ios/app/bigmagnify-pro/id388900709)
- [Chill: Sleep, relax and focus with soothing white noise sounds](https://appshunter.io/ios/app/chill-sleep-relax-and-focus-with-soothing-white-noise-sounds/id443096209)
- [BendyBooth Face+Voice Changer](https://appshunter.io/ios/app/bendybooth-face-plus-voice-changer/id1054793717)
- [BendyBooth Full](https://appshunter.io/ios/app/bendybooth-full/id1063685523)
- [BendyBooth Chipmunk - Funny Face+Voice Video App](https://appshunter.io/ios/app/bendybooth-chipmunk-funny-face-plus-voice-video-app/id1226266060)

All apps by Dave Cheng: https://appshunter.io/developer/387308223

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*Data collected daily from the US App Store and indexed by [AppsHunter](https://appshunter.io/). User reviews are verbatim App Store reviews. Ratings, prices and chart positions refresh continuously; this snapshot is from 2026-08-18.*