# Promega Biomath Calculators vs e

The clearest difference is iOS requirement: Promega Biomath Calculators at 8.0 against e's 13.0. On price, update cadence, 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.

Promega Biomath Calculators ships an update every 11 months, e every 15 months. The most recent releases landed on November 1, 2026 and October 27, 2026 respectively.

## The numbers

| Metric | Promega Biomath Calculators | e |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.7 (3 ratings)](https://appshunter.io/ios/app/promega-biomath-calculators/id987501449/reviews)** | — |
| Number of ratings | **3** | — |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 11 months** | Every 15 months |
| Monetization | Free | — |
| Size | 13 MB | 34 MB |
| Requires iOS | **8.0** | 13.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Promega Corporation](https://appshunter.io/developer/307546952) | [Limitless Virtual Pty Ltd](https://appshunter.io/developer/922842180) |

## 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


### e

[App page](https://appshunter.io/ios/app/e-securersa/id6736988558)

**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 e free?

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

### Do Promega Biomath Calculators or e have ads?

Neither Promega Biomath Calculators nor e shows ads.

### Which is updated more often, Promega Biomath Calculators or e?

Promega Biomath Calculators ships an update every 11 months, and e every 15 months. Most recently, Promega Biomath Calculators was updated on November 1, 2026 and e on October 27, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*