# Glasses 2 Contacts vs Optometry+

The clearest difference is in-app purchases: Glasses 2 Contacts at none against Optometry+'s 6. Glasses 2 Contacts also leads on iOS requirement (13.4 vs 17.0). Optometry+'s advantage is ads (none vs shown) and update cadence (monthly vs every 12 months). On price, rating, ratings volume and device support there is nothing between them.

Both are free to download. Optometry+ sells 6 in-app purchases, starting at $9.99 per month. Glasses 2 Contacts asks for nothing beyond the download.

On the App Store both sit at effectively the same score — 5.0 for Glasses 2 Contacts against 5.0 for Optometry+. Both are backed by a comparable volume of ratings — 2 and 1 respectively.

Glasses 2 Contacts ships an update every 12 months, Optometry+ monthly. The most recent releases landed on September 17, 2026 and September 18, 2026 respectively.

## The numbers

| Metric | Glasses 2 Contacts | Optometry+ |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [5.0 (2 ratings)](https://appshunter.io/ios/app/glasses-2-contacts/id1444361235/reviews) | [5.0 (1 ratings)](https://appshunter.io/ios/app/optometry-plus/id6740626410/reviews) |
| Number of ratings | **2** | 1 |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | Yes | **No** |
| Update frequency | Every 12 months | **Monthly** |
| Monetization | **Ad-supported** | Free with in-app purchases |
| Size | 20 MB | 19 MB |
| Requires iOS | **13.4** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Hoang Harry Tran](https://appshunter.io/developer/1444361234) | [Forwa Elade Wunde](https://appshunter.io/developer/1685241344) |

## What reviewers say

### Glasses 2 Contacts

[App page](https://appshunter.io/ios/app/glasses-2-contacts/id1444361235)

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.

**Highlights:** Prescription conversion, Keratometry input, Fitting guidance, User-friendly layout, Educational tool

**Features:** macOS Compatibility

**In-app purchases:** none


### Optometry+

[App page](https://appshunter.io/ios/app/optometry-plus/id6740626410)

Test your knowledge of vision science and eye care with this comprehensive quiz app. It covers a wide range of optometry topics, from basic anatomy to clinical techniques and common disorders. Ideal for students and professionals looking to sharpen their skills.

**Highlights:** Comprehensive optometry topics, Engaging question formats, Covers ocular anatomy and physiology, Explores optical principles, Details refractive errors and correction, Clinical optometric techniques, Covers ocular diseases and disorders

**Features:** macOS Compatibility

**In-app purchases (6)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 1 Month | $9.99 | per month |
| 6 Months | $19.99 | per 6 months |
| 1 Year | $29.99 | per year |
| 1500 | $0.99 | one-time |
| 3500 | $1.99 | one-time |
| 9000 | $3.99 | one-time |


## Frequently asked questions

### Is Glasses 2 Contacts free?

Glasses 2 Contacts is free to download, with no in-app purchases.

### Is Optometry+ free?

Optometry+ is free to download, with in-app purchases available.

### Which has better reviews, Glasses 2 Contacts or Optometry+?

Glasses 2 Contacts and Optometry+ are both rated 5.0 out of 5 on the App Store, from 2 and 1 ratings respectively.

### Do Glasses 2 Contacts or Optometry+ have ads?

Glasses 2 Contacts shows ads; Optometry+ does not.

### Which is updated more often, Glasses 2 Contacts or Optometry+?

Glasses 2 Contacts ships an update every 12 months, and Optometry+ monthly. Most recently, Glasses 2 Contacts was updated on September 17, 2026 and Optometry+ on September 18, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*