# Lab.Hacks vs RayCrest Lab Calculator

The clearest difference is in-app purchases: RayCrest Lab Calculator at none against Lab.Hacks's 8. RayCrest Lab Calculator also leads on ads (none vs shown). Lab.Hacks's advantage is ratings volume (136 vs 3) and rating (4.9 vs 4.7). On price, update cadence, device support and iOS requirement there is nothing between them.

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

Lab.Hacks holds the better App Store score, 4.9 against 4.7. That said, the two scores are not equally well evidenced: Lab.Hacks has 136 ratings behind it against 3, so its average is the more settled of the two.

Both ship on a similar rhythm, roughly every 2 months. The most recent releases landed on October 12, 2026 and October 10, 2026 respectively.

## The numbers

| Metric | Lab.Hacks | RayCrest Lab Calculator |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.9 (136 ratings)](https://appshunter.io/ios/app/labhacks/id1462593060/reviews)** | [4.7 (3 ratings)](https://appshunter.io/ios/app/raycrest-lab-calculator/id6785651551/reviews) |
| Number of ratings | **136** | 3 |
| Positive reviews | 96.3% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | Every 2 months | Every 2 months |
| Monetization | Free with in-app purchases | **Free** |
| Size | 37 MB | 7 MB |
| Requires iOS | **16.6** | 17.0 |
| Devices | iPhone, iPad | **iPhone, iPad, Apple Watch** |
| Age rating | 4+ | 4+ |
| Developer | [Lab.hacks GmbH](https://appshunter.io/developer/1746977613) | [RAYCREST SOFTWARE LLC](https://appshunter.io/developer/1847966144) |

## 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 |


### RayCrest Lab Calculator

[App page](https://appshunter.io/ios/app/raycrest-lab-calculator/id6785651551)

This app assists researchers, students, and lab teams with essential calculations for preparing buffers, solutions, and dilutions. It provides practical guidance for weighing solids, mixing stocks, and titration, with built-in tools for buffer charts, recipes, and protocol timers.

**Highlights:** Buffer preparation guidance, Henderson-Hasselbalch recipes, Stock mixing and titration, Solution and dilution calculations, Mass/volume conversions, Protocol timers, Saved recipes and compounds

**Features:** macOS Compatibility, Apple Watch app, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is Lab.Hacks free?

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

### Is RayCrest Lab Calculator free?

RayCrest Lab Calculator is free to download, with no in-app purchases.

### Which has better reviews, Lab.Hacks or RayCrest Lab Calculator?

Lab.Hacks is rated higher. Lab.Hacks averages 4.9 out of 5 from 136 ratings, while RayCrest Lab Calculator averages 4.7 from 3 ratings.

### Do Lab.Hacks or RayCrest Lab Calculator have ads?

Lab.Hacks shows ads; RayCrest Lab Calculator does not.

### Which is updated more often, Lab.Hacks or RayCrest Lab Calculator?

Lab.Hacks ships an update every 2 months, and RayCrest Lab Calculator every 2 months. Most recently, Lab.Hacks was updated on October 12, 2026 and RayCrest Lab Calculator on October 10, 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.*