# Lab.Hacks vs Caratify

The clearest difference is price: Lab.Hacks at Free against Caratify's $0.99. Caratify's advantage is in-app purchases (none vs 8) and ads (none vs shown). On review sentiment, device support and iOS requirement there is nothing between them.

Lab.Hacks is free to download; Caratify costs $0.99 up front. Lab.Hacks sells 8 in-app purchases, starting at $2.99 per month. Caratify asks for nothing beyond the download.

## The numbers

| Metric | Lab.Hacks | Caratify |
| --- | --- | --- |
| Price | **Free** | $0.99 |
| Rating | **[4.9 (136 ratings)](https://appshunter.io/ios/app/labhacks/id1462593060/reviews)** | — |
| Number of ratings | **136** | — |
| Positive reviews | 96.3% of reviews | **100.0% of reviews** |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | Every 2 months | — |
| Monetization | **Free with in-app purchases** | Paid |
| Size | 37 MB | 37 MB |
| Requires iOS | 16.6 | **15.1** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Lab.hacks GmbH](https://appshunter.io/developer/1746977613) | [Nikita Aurelian Schulz](https://appshunter.io/developer/1858916652) |

## 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 |


### Caratify

[App page](https://appshunter.io/ios/app/caratify/id6759229290)

This app offers precise offline tools for goldsmiths and jewelers to calculate material properties, prepare for casting, and manage their precious metal collections. It includes features for density testing, wax-to-metal conversion, purity analysis, and inventory management.

**Highlights:** Density & Specific Gravity Testing, Wax-to-Metal Casting Calculator, Purity & Proportion Analysis, Jewelry Inventory Management, Precision Unit Conversion, Ring Sizing Tools, Offline Functionality

**Features:** macOS Compatibility, 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 Caratify free?

Caratify costs $0.99, with no in-app purchases.

### Do Lab.Hacks or Caratify have ads?

Lab.Hacks shows ads; Caratify does not.

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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.*