# Lab.Hacks vs Expert Buffer Designer

The clearest difference is in-app purchases: Expert Buffer Designer at none against Lab.Hacks's 8. Expert Buffer Designer also leads on iOS requirement (13.0 vs 16.6). Lab.Hacks's advantage is ratings volume (136 vs 1). On price, rating, review sentiment and ads there is nothing between them.

Both are free to download. Lab.Hacks sells 8 in-app purchases, starting at $2.99 per month. Expert Buffer Designer asks for nothing beyond the download.

On the App Store both sit at effectively the same score — 4.9 for Lab.Hacks against 5.0 for Expert Buffer Designer. That said, the two scores are not equally well evidenced: Lab.Hacks has 136 ratings behind it against 1, so its average is the more settled of the two. Written reviews are what separate them: 96% of Lab.Hacks's written reviews are positive against 100% of Expert Buffer Designer's.

## The numbers

| Metric | Lab.Hacks | Expert Buffer Designer |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.9 (136 ratings)](https://appshunter.io/ios/app/labhacks/id1462593060/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/expert-buffer-designer/id6739745588/reviews)** |
| Number of ratings | **136** | 1 |
| Positive reviews | 96.3% of reviews | **100.0% of reviews** |
| In-app purchases | Yes | **No** |
| Ads | Yes | Yes |
| Update frequency | Every 2 months | — |
| Monetization | Free with in-app purchases | **Ad-supported** |
| Size | 32 MB | 26 MB |
| Requires iOS | 16.6 | **13.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Lab.hacks GmbH](https://appshunter.io/developer/1746977613) | [Bioprocess Tools LLC](https://appshunter.io/developer/1786829896) |

## What reviewers say

### Lab.Hacks

[App page](https://appshunter.io/ios/app/labhacks/id1462593060)

This app serves as a laboratory assistant, offering a collection of essential tools, calculators, and guides for students, researchers, and technicians. It simplifies everyday lab tasks with features like dilution calculators, timers, and protocols, all accessible offline.

**Highlights:** Dilution, molarity, and unit conversion calculators, Smart lab timers, Quick reference tables, Step-by-step protocols and guides, Offline access, Minimalist design

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

**In-app purchases (8)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Lab.hacks Ad-free monthly | $2.99 | per month |
| Lab.hacks Ad-free annual | $28.99 | per year |
| Donate 1$ | $0.99 | one-time |
| Donate 5$ | $3.99 | one-time |
| Donate 10$ | $8.99 | one-time |
| Donate 20$ | $17.99 | one-time |
| Donate 50$ | $44.99 | one-time |
| Donate 100$ | $89.99 | one-time |


### Expert Buffer Designer

[App page](https://appshunter.io/ios/app/expert-buffer-designer/id6739745588)

This application helps scientists and lab professionals design and analyze buffer solutions with a pH calculator and real-time feedback. It offers comprehensive buffer selection, variability analysis, and dynamic pH adjustment for precise results.

**Highlights:** Comprehensive buffer selection with sensitivity visualization, Instant variability analysis with heat map, Detailed compound and ion insights, Dynamic pH adjustment with real-time feedback, Personalized buffer library, Multi-platform availability (iOS, iPad, Mac)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Lab.Hacks free?

Lab.Hacks is free to download, with in-app purchases available.

### Is Expert Buffer Designer free?

Expert Buffer Designer is free to download, with no in-app purchases.

### Which has better reviews, Lab.Hacks or Expert Buffer Designer?

Expert Buffer Designer is rated higher. Lab.Hacks averages 4.9 out of 5 from 136 ratings, while Expert Buffer Designer averages 5.0 from 1 ratings.

### Do Lab.Hacks or Expert Buffer Designer have ads?

Both Lab.Hacks and Expert Buffer Designer show 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.*