# EyeToric vs Biotech Calculators

The clearest difference is in-app purchases: Biotech Calculators at none against EyeToric's 2. Biotech Calculators also leads on update cadence (every 5 months vs every 19 months). EyeToric's advantage is iOS requirement (8.0 vs 15.0). On price, ads and device support there is nothing between them.

Both are free to download. EyeToric sells 2 one-off in-app purchases. Biotech Calculators asks for nothing beyond the download.

EyeToric ships an update every 19 months, Biotech Calculators every 5 months. The most recent releases landed on October 30, 2026 and October 26, 2026 respectively.

## The numbers

| Metric | EyeToric | Biotech Calculators |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.2 (5 ratings)](https://appshunter.io/ios/app/eyetoric/id442408289/reviews)** | — |
| Number of ratings | **5** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 19 months | **Every 5 months** |
| Monetization | Free | — |
| Size | 58 MB | 124 MB |
| Requires iOS | **8.0** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 12+ | 12+ |
| Developer | [Steve Colley](https://appshunter.io/developer/442408292) | [Biotech Vision Care](https://appshunter.io/developer/1056021059) |

## What reviewers say

### EyeToric

[App page](https://appshunter.io/ios/app/eyetoric/id442408289)

This medical app helps ophthalmologists manage astigmatism in cataract patients. It allows dynamic adjustment of wound position and lens power to predict post-operative astigmatism. It also aids in analyzing unexpected surgical outcomes.

**Highlights:** Dynamic wound position adjustment, Lens power and axis placement prediction, Post-operative astigmatism analysis, Compensation for enlarged wounds, Analysis of unexpected surgical results

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| eyeToric OCR | $1.99 | one-time |
| eyeToric Database | $14.99 | one-time |


### Biotech Calculators

[App page](https://appshunter.io/ios/app/biotech-calculators/id1056021060)

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is EyeToric free?

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

### Is Biotech Calculators free?

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

### Do EyeToric or Biotech Calculators have ads?

Neither EyeToric nor Biotech Calculators shows ads.

### Which is updated more often, EyeToric or Biotech Calculators?

EyeToric ships an update every 19 months, and Biotech Calculators every 5 months. Most recently, EyeToric was updated on October 30, 2026 and Biotech Calculators on October 26, 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.*