Direct Astigmatic Test vs 90 Degree
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Direct Astigmatic Test
Read full descriptionHide full description
DAT is a diagnostic device that detects defects, eye diseases and the condition of the visual path. The device fits in optometric and ophthalmological procedures, improving its quality and facilitating correct optometric correction and proper ophthalmologic diagnosis. Beside DAT device we take the true power of IT for optometry incorporating it into the clinical consultation process for data collection, data analysis, tracking patient management and record keeping. Dedicated DAT application for mobile devices enables efficient performance, data collection and management. You must have a DAT device to perform the correct test. This application is intended to support your health journey and provide general health-related information. It does not replace professional medical advice, diagnosis, or treatment. Please consult a qualified healthcare provider before making any medical decisions, changing your health regimen, or starting to use this application. Always follow the guidance of your physician or healthcare professional.
90 Degree
Read full descriptionHide full description
Track your exercise, diet and steps using our app. Get to know your weekly diet analysis and stay on track with your goal. Join live sessions conducted by our instructors and get notified when a live session starts. Download our app now and enjoy the benefits. We require following permissions: Photo - To upload your profile picture, community posts, etc Camera - To take your photo, video, live sessions, etc Push Notifications - To help you stay updated with announcements, reminders, etc. HealthKit / Health App - App requires access to your health app data to load steps count in the app Microphone - To add audio support while recording video through app Disclaimer - The app provides a diet plan. Reference to all food data sources is mentioned in the diet plan section. Please seek a doctor’s advice in addition to using this app and before making any medical decisions.
Screenshots
Verdict
The clearest difference is update cadence: Direct Astigmatic Test at every 4 days against 90 Degree's every 10 months. Direct Astigmatic Test also leads on iOS requirement (13.0 vs 15.0). 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.
Direct Astigmatic Test ships an update every 4 days, 90 Degree every 10 months. The most recent releases landed on October 8, 2026 and October 27, 2026 respectively.
| Parameter | Direct Astigmatic Test | 90 Degree |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 4 days — better | Every 10 months |
| Ads | No | No |
| In-app purchases | No | No |
| Devices | iPhone, iPad, iPod — better | iPhone, iPod |
| Requires iOS | 13.0 — better | 15.0 |
| Further details — not scored | ||
| Size | 17 MB | 75 MB |
| Age rating | 4+ | 4+ |
| Developer | Kidme | Uplyft Innovations Private Limited |
In-app purchases
Direct Astigmatic Test
No in-app purchases
90 Degree
No in-app purchases









