# IOL vs Smart Eye Camera (SEC)

The clearest difference is update cadence: IOL at weekly against Smart Eye Camera (SEC)'s every 3 weeks. IOL also leads on iOS requirement (11.2 vs 16.6). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

IOL ships an update weekly, Smart Eye Camera (SEC) every 3 weeks. The most recent releases landed on November 6, 2026 and November 3, 2026 respectively.

## The numbers

| Metric | IOL | Smart Eye Camera (SEC) |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.6 (9 ratings)](https://appshunter.io/ios/app/iol-calculator/id456304691/reviews)** | — |
| Number of ratings | **9** | — |
| Positive reviews | 75.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Weekly** | Every 3 weeks |
| Monetization | Free | — |
| Size | 1 MB | 44 MB |
| Requires iOS | **11.2** | 16.6 |
| Devices | **iPhone, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Columbia University](https://appshunter.io/developer/405514802) | [OUI inc.](https://appshunter.io/developer/1536247158) |

## What reviewers say

### IOL

[App page](https://appshunter.io/ios/app/iol-calculator/id456304691)

This medical tool assists in calculating intraocular lens power for cataract surgery. It provides essential calculations for ophthalmologists and eye care professionals.

**Highlights:** Intraocular lens power calculation, Cataract surgery assistance, Medical calculation tool, Ophthalmology aid

**Features:** Vision Pro support

**In-app purchases:** none


### Smart Eye Camera (SEC)

[App page](https://appshunter.io/ios/app/smart-eye-camera-sec/id1536247156)

**Features:** Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is IOL free?

IOL is free to download, with no in-app purchases.

### Is Smart Eye Camera (SEC) free?

Smart Eye Camera (SEC) is free to download, with no in-app purchases.

### Do IOL or Smart Eye Camera (SEC) have ads?

Neither IOL nor Smart Eye Camera (SEC) shows ads.

### Which is updated more often, IOL or Smart Eye Camera (SEC)?

IOL ships an update weekly, and Smart Eye Camera (SEC) every 3 weeks. Most recently, IOL was updated on November 6, 2026 and Smart Eye Camera (SEC) on November 3, 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.*