# OptiExpert™ vs Biotech Calculators

The clearest difference is update cadence: OptiExpert™ at every 2 months against Biotech Calculators's every 5 months. 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.

OptiExpert™ ships an update every 2 months, Biotech Calculators every 5 months. The most recent releases landed on October 29, 2026 and October 26, 2026 respectively.

## The numbers

| Metric | OptiExpert™ | Biotech Calculators |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.0 (7 ratings)](https://appshunter.io/ios/app/optiexpert/id922445936/reviews)** | — |
| Number of ratings | **7** | — |
| Positive reviews | 22.2% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 2 months** | Every 5 months |
| Monetization | Free | — |
| Size | 63 MB | 124 MB |
| Requires iOS | 15.0 | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 17+ | 12+ |
| Developer | [CooperVision, Inc.](https://appshunter.io/developer/922445935) | [Biotech Vision Care](https://appshunter.io/developer/1056021059) |

## What reviewers say

### OptiExpert™

[App page](https://appshunter.io/ios/app/optiexpert/id922445936)

This app assists eye care professionals in managing contact lens wearers. It offers tools for prescription calculation, axial length estimation, cost comparison, and grading contact lens complications with visual aids. It also supports patient education and secure record-keeping.

**Highlights:** Prescription Calculator, Axial Length Estimator, Cost Comparison Calculator, Efron Grading Scale, Patient Image Storage, Multilingual Support

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

**In-app purchases:** none


### 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 OptiExpert™ free?

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

### Is Biotech Calculators free?

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

### Do OptiExpert™ or Biotech Calculators have ads?

Neither OptiExpert™ nor Biotech Calculators shows ads.

### Which is updated more often, OptiExpert™ or Biotech Calculators?

OptiExpert™ ships an update every 2 months, and Biotech Calculators every 5 months. Most recently, OptiExpert™ was updated on October 29, 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.*