# Biological Buffer Calculator vs Lab Mate

The clearest difference is review sentiment: Biological Buffer Calculator at 80% against Lab Mate's 0%. Biological Buffer Calculator also leads on price (Free vs $6.99) and iOS requirement (8.0 vs 26.0). Lab Mate's advantage is rating (5.0 vs 2.6) and update cadence (every 5 months vs every 77 months). On ratings volume, ads, in-app purchases and device support there is nothing between them.

Biological Buffer Calculator is free to download; Lab Mate costs $6.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Lab Mate holds the better App Store score, 5.0 against 2.6. Both are backed by a comparable volume of ratings — 8 and 6 respectively. Written reviews complicate that: 80% of Biological Buffer Calculator's written reviews are positive against 0% of Lab Mate's, so the app with the better star average is not the one people write more warmly about.

Biological Buffer Calculator ships an update every 77 months, Lab Mate every 5 months. The most recent releases landed on October 23, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | Biological Buffer Calculator | Lab Mate |
| --- | --- | --- |
| Price | **Free** | $6.99 |
| Rating | [2.6 (8 ratings)](https://appshunter.io/ios/app/biological-buffer-calculator/id408368126/reviews) | **[5.0 (6 ratings)](https://appshunter.io/ios/app/lab-mate-molarity-and-dilution/id1493317050/reviews)** |
| Number of ratings | **8** | 6 |
| Positive reviews | **80.0% of reviews** | 0.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 77 months | **Every 5 months** |
| Monetization | **Free** | Paid |
| Size | 5 MB | 36 MB |
| Requires iOS | **8.0** | 26.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, Mac |
| Age rating | 4+ | 4+ |
| Developer | [Wiley](https://appshunter.io/developer/334132751) | [Marcus Griffiths](https://appshunter.io/developer/1493317049) |

## What reviewers say

### Biological Buffer Calculator

[App page](https://appshunter.io/ios/app/biological-buffer-calculator/id408368126)

This utility app assists chemists and biochemists in preparing precise buffer solutions. Users input desired volume, pH, and concentration, along with stock solution details, to receive exact mixing instructions.

**Highlights:** Buffer system selection, Volume, pH, and concentration input, Stock solution concentration input, Precise mixing volume calculation, Pocket companion for labs

**Features:** Vision Pro support

**In-app purchases:** none


### Lab Mate

[App page](https://appshunter.io/ios/app/lab-mate-molarity-and-dilution/id1493317050)

This application simplifies complex chemistry calculations for molarity, dilutions, and mixtures. It offers a universal purchase for iPhone, iPad, and Mac, with features like chemical search, custom chemical saving, and a dedicated numeric keyboard for efficient data entry. Users can also customize decimal places and print their calculation history.

**Highlights:** Molarity, dilution, and mixture calculators, Percent dilution calculator, Chemical search and molecular weight lookup, Custom chemical saving, Dedicated numeric keyboard, Printable calculation history, Light and Dark Mode support

**Features:** Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is Biological Buffer Calculator free?

Biological Buffer Calculator is free to download, with no in-app purchases.

### Is Lab Mate free?

Lab Mate costs $6.99, with no in-app purchases.

### Which has better reviews, Biological Buffer Calculator or Lab Mate?

Lab Mate is rated higher. Biological Buffer Calculator averages 2.6 out of 5 from 8 ratings, while Lab Mate averages 5.0 from 6 ratings.

### Do Biological Buffer Calculator or Lab Mate have ads?

Neither Biological Buffer Calculator nor Lab Mate shows ads.

### Which is updated more often, Biological Buffer Calculator or Lab Mate?

Biological Buffer Calculator ships an update every 77 months, and Lab Mate every 5 months. Most recently, Biological Buffer Calculator was updated on October 23, 2026 and Lab Mate on October 24, 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.*