Lab.Hacks vs Caratify
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Lab.Hacks
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.
- Dilution, molarity, and unit conversion calculators
- Smart lab timers
- Quick reference tables
- Step-by-step protocols and guides
- Offline access
- Minimalist design
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Lab.hacks is your ultimate companion for everyday work in the laboratory. Whether you're a student, researcher, or lab technician, Lab.hacks provides you with a growing collection of essential tools, calculators, and practical hacks designed to make your lab life easier. Features: • Handy calculators for dilutions, molarity, unit conversions & more • Smart lab timers and quick reference tables • Step-by-step protocols and how-to guides • Offline access – always available when you need it • Minimalist design for maximum focus • No login required – just open and start using From pipetting shortcuts to buffer recipes – Lab.hacks brings efficiency to your fingertips. Stop wasting time searching for formulas and start working smarter in the lab! Get Lab.hacks now and discover how small tools can make a big difference. Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/
Caratify
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.
- Density & Specific Gravity Testing
- Wax-to-Metal Casting Calculator
- Purity & Proportion Analysis
- Jewelry Inventory Management
- Precision Unit Conversion
- Ring Sizing Tools
- Offline Functionality
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A comprehensive calculation and inventory tool designed specifically for goldsmiths, jewelers, and precious metal collectors. This application provides precise offline tools for material analysis, casting preparation, and collection management. CORE FEATURES FOR PROFESSIONALS & COLLECTORS Density & Specific Gravity Testing: Calculate the density of items to assist in identifying precious metals and detecting irregularities without physical or chemical testing. Wax-to-Metal Casting Calculator: Accurately convert wax model weights to required metal weights for workshop casting. Includes specific gravity presets for gold alloys, silver, platinum, palladium, and bronze. Purity & Proportion Analysis: Calculate the exact fine metal content in mixed alloy items and convert between standard purities. Jewelry Inventory Management: Document your collection entirely on your device. Store item weights, material specifications, appraisal values, and visual records. Precision Unit Conversion: Instantly convert weights between Karat, Ounces (oz), Grams (g), and Pennyweight (dwt) using industry-standard measurements. Ring Sizing Tools: Convert and measure ring sizes across international sizing standards. TECHNICAL SPECIFICATIONS Local Data Storage: All collection data and images are stored locally on your device. The app functions entirely offline and does not require server connectivity. Workshop Optimized: Includes a Dark Mode interface tailored for low-light workshop environments to reduce eye strain. Customizable Parameters: Adjust default units and measurement standards to match your regional workflow.
Screenshots
Verdict
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.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
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.
| Parameter | Lab.Hacks | Caratify |
|---|---|---|
| Price | Free — better | $0.99 |
| Rating | 4.9 (136 ratings) — better | — |
| Positive reviews | 96.3% of reviews | 100.0% of reviews — better |
| Number of ratings | 136 — better | — |
| Update frequency | Every 2 months | — |
| Ads | Yes | No — better |
| In-app purchases | Yes | No — better |
| Monetization | Free with in-app purchases — better | Paid |
| Devices | iPhone, iPad | iPhone, iPad, iPod — better |
| Requires iOS | 16.6 | 15.1 — better |
| Further details — not scored | ||
| Size | 37 MB | 37 MB |
| Age rating | 4+ | 4+ |
| Developer | Lab.hacks GmbH | Nikita Aurelian Schulz |
Customer experience
Lab.Hacks
Caratify
In-app purchases
Lab.Hacks
- Lab.hacks Ad-free monthly$2.991 Month
- Lab.hacks Ad-free annual$28.991 Year
- Donate 1$$0.99
- Donate 5$$3.99
- Donate 10$$8.99
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- Donate 20$$17.99
- Donate 50$$44.99
- Donate 100$$89.99
Caratify
No in-app purchases









