Glasses 2 Contacts vs OptiKit
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Glasses 2 Contacts
This educational tool helps students convert glasses prescriptions to contact lens prescriptions. It offers accurate results with a user-friendly layout and includes keratometry input for fitting guidance. The app is completely free to use for learning purposes.
- Prescription conversion
- Keratometry input
- Fitting guidance
- User-friendly layout
- Educational tool
Read full descriptionHide full description
Glasses 2 Contacts is a valuable educational tool designed to help students convert glasses prescriptions to contact lens prescriptions (also known as vertex conversion). Whether you’re learning about contact lens fittings or need a tool to simplify the conversion process, this app provides accurate, easy-to-understand results. New Updates: - New, Improved User-Friendly Layout: Enjoy a cleaner, more intuitive design for a seamless experience. - Prescription Conversion: Quickly convert glasses prescriptions to contact lens prescriptions for educational purposes. - Keratometry Input: Enter keratometry readings and receive fitting guidance on whether to use toric, spherical, steep, or flat lenses based on your measurements. Glasses 2 Contacts is 100% free and intended to make learning easier for students without the need for subscriptions or purchases.
OptiKit
This app serves as a comprehensive toolkit for opticians and optometrists, simplifying daily tasks. It offers features for prescription transposition, refraction calculation, and visual display of lens and depth of field information, aiding both new and experienced professionals.
- Prescription transposition with step-by-step guidance
- Interactive exercises with instant feedback
- Lens visualization with graphs
- Depth of field visualization
- Reading power calculation
Read full descriptionHide full description
Welcome to OptiKit, the ultimate multifunctional app for (beginning) opticians and optometrists. OptiKit is designed as a Swiss army knife for optics, with tools and features that make your daily tasks easier and help you expand your knowledge. With an intuitive interface and interactive features, OptiKit offers everything you need to transpose prescriptions, calculate refraction values, and visually display lenses and depth of field. Perfect for both beginners and experienced professionals. Features • Prescription Transposition: Learn step by step how to transpose a prescription, complete with explanations and exercises. • Interactive Exercises: Test your knowledge with unlimited exercises and receive instant feedback. • Lens Visualization: Display prescription values in a clear graph, including cylinder axes and powers. • Depth of Field Visualization: Instantly see the range of clear vision based on addition and accommodative ability. • Reading Power: Calculate the precise reading lens strength based on the prescription. OptiKit is completely free, with no hidden costs and no tracking. Enjoy all the app’s features, supported by a few ads, so you don’t have to pay anything. OptiKit is constantly being improved to meet the needs of its users. We welcome your ideas and suggestions! Have a new feature in mind or improvements you’d like to see? Let us know through the app, and help us make OptiKit even better. Download OptiKit today and discover how simple and effective optics can be!
Screenshots
Verdict
Glasses 2 Contacts and OptiKit both sit at 5.0 stars, but that hides the real split: 100% of OptiKit's written reviews are positive against 0% of Glasses 2 Contacts's. OptiKit also leads on ads (none vs shown) and update cadence (every 3 weeks vs every 12 months). Glasses 2 Contacts's advantage is iOS requirement (13.4 vs 18.0). On price, rating, ratings volume and in-app purchases 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.
On the App Store both sit at effectively the same score — 5.0 for Glasses 2 Contacts against 5.0 for OptiKit. Both are backed by a comparable volume of ratings — 2 and 1 respectively. Written reviews are what separate them: 0% of Glasses 2 Contacts's written reviews are positive against 100% of OptiKit's.
Glasses 2 Contacts ships an update every 12 months, OptiKit every 3 weeks. The most recent releases landed on September 17, 2026 and September 9, 2026 respectively.
| Parameter | Glasses 2 Contacts | OptiKit |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (2 ratings) | 5.0 (1 ratings) |
| Positive reviews | 0.0% of reviews | 100.0% of reviews — better |
| Number of ratings | 2 — better | 1 |
| Update frequency | Every 12 months | Every 3 weeks — better |
| Ads | Yes | No — better |
| In-app purchases | No | No |
| Monetization | Ad-supported | Free — better |
| Devices | iPhone, iPad, iPod — better | iPhone, iPad |
| Requires iOS | 13.4 — better | 18.0 |
| Further details — not scored | ||
| Size | 20 MB | 20 MB |
| Age rating | 4+ | 4+ |
| Developer | Hoang Harry Tran | Ronald Baks |
Customer experience
Glasses 2 Contacts
OptiKit
In-app purchases
Glasses 2 Contacts
No in-app purchases
OptiKit
No in-app purchases
Questions
Is Glasses 2 Contacts free?
Is OptiKit free?
Which has better reviews, Glasses 2 Contacts or OptiKit?
Do Glasses 2 Contacts or OptiKit have ads?
Which is updated more often, Glasses 2 Contacts or OptiKit?
Other comparisons















