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Snellen Chart app analytics for December 29

Snellen Chart

Snellen Chart

  • Fonlow
  • Google Play Store
  • Free
  • Medical
Designed for children over the age of 6, parents with young children, and general practitioners, this eye chart app displays optically precise optotypes for accurate distance vision measurement. Early detection of myopia allows you to take preventive action, seek medical advice promptly, and prevent pseudomyopia from worsening into true myopia or stop nearsightedness from deteriorating further. Predefined Test Distances: * 6, 5, 4, 3, and 2 meters * 20, 15, 12, 10, and 6 feet Scenarios: 1. Doctor and patient 2. Self-diagnosis using a mirror 3. Self-diagnosis using a Bluetooth keyboard 4. Self-diagnosis within arm's reach Notations: 1. Decimal (0.50) 2. Fraction (20/40) 3. LogMAR (0.30) 4. Fraction (5/10) 5. Fraction (6/12) 6. MAR (2) 7. VAS or VAR (85) Test Modes: 1. Autoplay 2. Manual By enabling “Record Scores” in Settings, you can track the progression of your visual acuity. Visual acuity scores for multiple test subjects can be recorded. The Visual Acuity Score (VAS) is an inversion of the LogMAR scale, calculated as VAS = 100 − 50 × LogMAR. It is more intuitive, as higher values indicate better visual acuity. In the score review: - A score of 100 in blue indicates the reference standard - Scores above 100 in green indicate no myopia - Scores below 100 in red may indicate myopia Myopia detection involves several steps, with distance visual acuity testing often being the first. A decline in visual acuity may indicate the onset of myopia, enabling early intervention. Disclaimer: While this app may replace printed eye charts, it CANNOT replace doctors or optometrists who perform comprehensive eye exams essential for maintaining eye health. The app does not test for strabismus, esotropia, exotropia, hyperopia, or astigmatism—common early vision conditions. Please consult an optometrist regularly and seek professional medical advice at the first signs of visual acuity issues.
Snellen Chart

Snellen Chart Usage Rank

The usage rank is based on Similarweb's algorithm that calculates current installs and active users over a 28-day period.

All Categories in
United States--
Medical in
United States--

Daily active users

Analyze usage patterns of Snellen Chart users by viewing Snellen Chart downloads and daily active users over time.

Users

Analyze usage patterns of Snellen Chart users by viewing Snellen Chart downloads and daily active users over time.

Unlock daily active users
OctNovDec

Snellen Chart Ranking Stats Over Time

Similarweb's Usage Rank & Google Play Store Rank for Snellen Chart

Rank

No Data Available

Snellen Chart Ranking by Country

Counties in which Snellen Chart has the highest ranking in its main categories


Users Interests & Top Categories

Top categories and apps used by Snellen Chart users

No Data to Display

Top Competitors & Alternative Apps

Apps with a high probability of being used by the same users, from the same store.

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Snellen Chart VS.

December 29, 2025