# Biotech Calculators vs CASA Mobile Manager

The clearest difference is update cadence: Biotech Calculators at every 5 months against CASA Mobile Manager's every 21 months. CASA Mobile Manager's advantage is iOS requirement (13.0 vs 15.0). 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.

Biotech Calculators ships an update every 5 months, CASA Mobile Manager every 21 months. The most recent releases landed on October 26, 2026 and November 3, 2026 respectively.

## The numbers

| Metric | Biotech Calculators | CASA Mobile Manager |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 5 months** | Every 21 months |
| Size | 124 MB | 4 MB |
| Requires iOS | 15.0 | **13.0** |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 12+ | 4+ |
| Developer | [Biotech Vision Care](https://appshunter.io/developer/1056021059) | [Johnson & Johnson Surgical Vision, Inc.](https://appshunter.io/developer/1089646783) |

## What reviewers say

### Biotech Calculators

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

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

**In-app purchases:** none


### CASA Mobile Manager

[App page](https://appshunter.io/ios/app/casa-mobile-manager/id1273464586)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Biotech Calculators free?

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

### Is CASA Mobile Manager free?

CASA Mobile Manager is free to download, with no in-app purchases.

### Do Biotech Calculators or CASA Mobile Manager have ads?

Neither Biotech Calculators nor CASA Mobile Manager shows ads.

### Which is updated more often, Biotech Calculators or CASA Mobile Manager?

Biotech Calculators ships an update every 5 months, and CASA Mobile Manager every 21 months. Most recently, Biotech Calculators was updated on October 26, 2026 and CASA Mobile Manager 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.*