Snellen Chart is a medical app developed by João Meneses.
Download Statistics
Snellen Chart has been downloaded 160 thousand times. In the last 30 days, the app was downloaded 1 thousand times. It is ranked in the top 100 medical apps.
User Ratings
Snellen Chart is rated 4.05 out of 5 stars. The rating is based on 360 ratings.
App Information
Snellen Chart is FREE to download. The APK download size is 7.01 MB. The latest version available is 3.2.4. The last update was on July 25, 2025.
Technical Requirements
Snellen Chart requires Android 4.4+ or higher. The app has a content rating of Everyone. The app has been available on Google Play June 2016.
Description
This mHealth application intent is to provide and empower mobile regular users and health professionals with the tool with which they can estimate their or others visual acuity, based on a classical
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Wow! This is exactly what I was looking for. I compared the letters to a printed Snellen chart, and they are the same size. One little feature request: an audio/keyboard command to read (tts) the current letters, to verify what I've read (or thought I've read) with my eyes. Also, could you add the Monomer chart letters? Anyway, thanks for this app! Update: actually the feature to make the text bigger with space/enter is even better than audio. I am using a Bluetooth keyboard and use the arrow keys to navigate the different levels. But I didn’t seem to get the letters to appear bigger with space and/or enter 🤔 Tried other combinations too. It’s a Mac keyboard for info.
★★★★★Ahmad Mohammed· Sep 16, 2024
For someone who has been suffering from low visual acuity all his life, this app still my best way to keep track of my visual acuity through the years. Great Job.
★★★★★Kaiss Tahery· Sep 17, 2019
If you are an op tom looking for some accurate charts this is definitely the app
★☆☆☆☆Norman Schopenhauer· May 14, 2024
Last version is awful please roll back to previous version or make available previous version. Not useful to me at all. Looking for alternatives
★☆☆☆☆Lutfi Maulana· May 18, 2024
Still can't measure at 6/6 metric unit, even if I changed it, it will always revert to 20/125, kinda frustrating when using it
★☆☆☆☆G Spence (Chaion)· Apr 28, 2024
This app has been excellent for helping with portable VA in tricky areas, until the latest update which has broken it entirely. Attempting to configure it with settings means non-stop crashes.
★☆☆☆☆Paul van der Kolf· Jun 21, 2024
Use to work fantastically. Now I can't switch to Metric system, user interface became less user-friendly, color choice in menu makes everything unclear when making choices. App worked fine before, now it's a massive pain to use. Going to have to search for another Snellen Chart app.
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