# Promega Biomath Calculators vs Gilsa Security System

The clearest difference is review sentiment: Gilsa Security System at 100% against Promega Biomath Calculators's 0%. Gilsa Security System also leads on rating (5.0 vs 3.7) and update cadence (every 3 months vs every 11 months). Promega Biomath Calculators's advantage is ratings volume (3 vs 1) and iOS requirement (8.0 vs 13.0). On price, ads, in-app purchases and monetization model there is nothing between them.

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

Gilsa Security System holds the better App Store score, 5.0 against 3.7. Both are backed by a comparable volume of ratings — 3 and 1 respectively. Written reviews point the same way: 0% of Promega Biomath Calculators's written reviews are positive against 100% of Gilsa Security System's.

Promega Biomath Calculators ships an update every 11 months, Gilsa Security System every 3 months. The most recent releases landed on November 1, 2026 and November 3, 2026 respectively.

## The numbers

| Metric | Promega Biomath Calculators | Gilsa Security System |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [3.7 (3 ratings)](https://appshunter.io/ios/app/promega-biomath-calculators/id987501449/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/gilsa-security-system/id6450709178/reviews)** |
| Number of ratings | **3** | 1 |
| Positive reviews | 0.0% of reviews | **100.0% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 11 months | **Every 3 months** |
| Monetization | Free | Free |
| Size | 13 MB | 44 MB |
| Requires iOS | **8.0** | 13.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 17+ |
| Developer | [Promega Corporation](https://appshunter.io/developer/307546952) | [Arian Taheri Nakhost](https://appshunter.io/developer/1694506567) |

## What reviewers say

### Promega Biomath Calculators

[App page](https://appshunter.io/ios/app/promega-biomath-calculators/id987501449)

This app simplifies common laboratory calculations for molecular biology. It offers tools for nucleic acid and protein conversions, melting temperature, molarity, dilutions, and temperature conversions.

**Highlights:** Nucleic acid conversions, Protein conversions, Melting temperature calculations, Molarity and dilution calculators, Temperature conversions

**In-app purchases:** none


### Gilsa Security System

[App page](https://appshunter.io/ios/app/gilsa-security-system/id6450709178)

Manage and monitor your Gilsa Security System remotely with this application. It offers seamless control for enhanced safety and peace of mind for your home or office.

**Highlights:** Remote system monitoring, Seamless control, Enhanced home security, Office security management, Peace of mind

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Promega Biomath Calculators free?

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

### Is Gilsa Security System free?

Gilsa Security System is free to download, with no in-app purchases.

### Which has better reviews, Promega Biomath Calculators or Gilsa Security System?

Gilsa Security System is rated higher. Promega Biomath Calculators averages 3.7 out of 5 from 3 ratings, while Gilsa Security System averages 5.0 from 1 ratings.

### Do Promega Biomath Calculators or Gilsa Security System have ads?

Neither Promega Biomath Calculators nor Gilsa Security System shows ads.

### Which is updated more often, Promega Biomath Calculators or Gilsa Security System?

Promega Biomath Calculators ships an update every 11 months, and Gilsa Security System every 3 months. Most recently, Promega Biomath Calculators was updated on November 1, 2026 and Gilsa Security System 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.*