Cullen Chart Digital vs Gameblyo
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Cullen Chart Digital
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This app is based on a previously validated paper chart (the Cullen chart) and used to assess visual fields. It is intended for use by a trained clinician and has been designed specifically for pituitary and parasellar pathology. The chart tests the central 25 degrees of the visual field. 30 years ago, a paper chart was developed in Edinburgh by Cullen et al. and validated as a swift, supplementary method for perimetric evaluation of visual fields. We have re-developed this concept in digital form (on smartphone screen) and assessed its sensitivity and specificity in detecting visual field loss, by comparison with formal machine-based perimetry. DISCLAIMER: For use by clinicians only. This app does not provide any medical advice. Support & Contact: https://www.eosurgical.com/pages/contact-us Read more about our terms and conditions and privacy policy here - https://www.eosurgical.com/pages/terms-and-conditions
Gameblyo
This application offers vision therapy for amblyopia using engaging games. It aims to improve visual acuity in children with amblyopia through daily sessions, tracking progress and providing personalized settings for effective treatment.
- Amblyopia vision therapy
- Engaging treatment games
- Progress tracking and statistics
- Personalized settings
- Expert recommendations
- Red-blue glasses compatible
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Effective treatment for amblyopia through special games! Our app is designed to improve visual acuity in children with amblyopia, making the treatment process both comfortable and effective. Just wear red-blue glasses and spend 30 minutes a day to see significant improvements. The app automatically tracks your progress, analyzes the results of each session, and provides detailed statistics. You’ll always know how your treatment is progressing. Personalized settings and expert recommendations help you achieve the best results and make the treatment even more effective. Important: This app provides information that is not intended for diagnosis, treatment, or as a substitute for professional medical advice. Always consult a qualified doctor if you have any health-related questions.
Screenshots
Verdict
The clearest difference is update cadence: Gameblyo at every 2 months against Cullen Chart Digital's every 5 months. Cullen Chart Digital's advantage is iOS requirement (13.0 vs 15.1). On price, ads, in-app purchases 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. Neither carries in-app purchases, so what you see is what you pay.
Cullen Chart Digital ships an update every 5 months, Gameblyo every 2 months. The most recent releases landed on October 10, 2026 and September 22, 2026 respectively.
| Parameter | Cullen Chart Digital | Gameblyo |
|---|---|---|
| Price | Free | Free |
| Rating | — | 3.0 (2 ratings) — better |
| Positive reviews | — | 0.0% of reviews |
| Number of ratings | — | 2 — better |
| Update frequency | Every 5 months | Every 2 months — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | — | Free |
| Devices | iPhone, iPod | iPhone, iPad, iPod — better |
| Requires iOS | 13.0 — better | 15.1 |
| Further details — not scored | ||
| Size | 32 MB | 38 MB |
| Age rating | 4+ | 4+ |
| Developer | Mark Hughes | Aliaksei Harakh |
In-app purchases
Cullen Chart Digital
No in-app purchases
Gameblyo
No in-app purchases
Questions
Is Cullen Chart Digital free?
Is Gameblyo free?
Do Cullen Chart Digital or Gameblyo have ads?
Which is updated more often, Cullen Chart Digital or Gameblyo?
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