# Calculate VA vs BIO Camera

The clearest difference is ratings volume: Calculate VA at 3 against BIO Camera's 1. BIO Camera's advantage is iOS requirement (11.0 vs 16.6). On price, rating, ads and in-app purchases there is nothing between them.

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 Calculate VA against 5.0 for BIO Camera. Both are backed by a comparable volume of ratings — 3 and 1 respectively.

## The numbers

| Metric | Calculate VA | BIO Camera |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [5.0 (3 ratings)](https://appshunter.io/ios/app/calculate-va/id1425990457/reviews) | [5.0 (1 ratings)](https://appshunter.io/ios/app/bio-camera/id1488011088/reviews) |
| Number of ratings | **3** | 1 |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 11 months | — |
| Monetization | Free | Free |
| Size | 1 MB | 9 MB |
| Requires iOS | 16.6 | **11.0** |
| Devices | iPhone, iPad | iPhone, iPod |
| Age rating | 12+ | 12+ |
| Developer | [David Kramer](https://appshunter.io/developer/1425990456) | [Howard Ellenberger](https://appshunter.io/developer/1488011087) |

## What reviewers say

### Calculate VA

[App page](https://appshunter.io/ios/app/calculate-va/id1425990457)

Instantly convert between common visual acuity measurements. This tool is designed for eye care professionals needing to fluidly switch between Snellen, Decimal, logMAR, and ETDRS Letter formats. Get accurate conversions with a single tap.

**Highlights:** Instant visual acuity conversions, Supports Snellen 20/20, Supports Snellen 6/6, Supports Decimal, Supports logMAR, Supports ETDRS Letters

**Features:** macOS Compatibility

**In-app purchases:** none


### BIO Camera

[App page](https://appshunter.io/ios/app/bio-camera/id1488011088)

This application simulates a BIO-like view of the retina using an iPhone and VR headset with a specialized lens. It allows users to capture and save time-stamped retinal images in a format resembling traditional fundus photos. Manual camera adjustments can be made for optimal image quality.

**Highlights:** BIO-like retinal view simulation, Capture retinal photos, Manual camera settings, Time and date stamping, Rounded and reversed image format

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Calculate VA free?

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

### Is BIO Camera free?

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

### Which has better reviews, Calculate VA or BIO Camera?

Calculate VA and BIO Camera are both rated 5.0 out of 5 on the App Store, from 3 and 1 ratings respectively.

### Do Calculate VA or BIO Camera have ads?

Neither Calculate VA nor BIO Camera shows ads.

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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.*