cMate vs Equation Sheets
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
cMate
This comprehensive reference app provides essential information for seafarers. It includes IMO phrases, maritime regulations, signal codes, weather forecasts, and port details. Access a wealth of maritime knowledge for professional use.
- IMO Standard Marine Communication Phrases
- MARPOL Convention details
- International Regulations for Preventing Collisions at Sea (ColReg-72)
- International Code of Signals (ICS)
- NAVTEX and Inmarsat-C weather forecasts
- Maritime and general language dictionaries
- Port information with UN/LOCODE and coordinates
Read full descriptionHide full description
This application contains: - IMO phrases (Standard Marine Communication Phrases) - MARPOL convention (International Convention for the Prevention of Pollution from Ships) - Flags of State - ColReg-72(- International Regulations for Preventing Collisions at Sea) - Description of the system IALA (International Association of Lighthouse Authorities) - ICS (International Code of Signals) Includes signal flags, phonetic alphabet, Morse code - IMO signs - Sound and lights signals ColReg-72 (Lights and shapes ColReg-72) - Reading weather forecasts (NAVTEX Inmarsat-C) - Maritime and general language dictionaries - LSA code (International life-saving appliance code. 1-7 Chapters), FSS Code, ISM Code, ISPS Code - SOLAS-74 (International Convention for the Safety of Life at Sea), MLC (Maritime Labor Convention) - Section Ports Info contains: - Port Name - UN/LOCODE - Country - Coordinates - Position on world map - Short descripton
Equation Sheets
Access over 500 essential math, science, and engineering equations offline. Customize and create your own formulas, with regular updates adding more content at no extra cost. Sync your personal library across all your devices.
- 500+ equations across disciplines
- Editable and customizable formulas
- Multiple viewing modes
- Offline access
- Cloud syncing
- Regular updates
Read full descriptionHide full description
Equation Sheets: Your Ultimate Equation Companion Unlock Over 500+ Essential Equations—Anytime, Anywhere! Whether you’re a student, professional, or lifelong learner, Equation Sheets is the must-have app for anyone who needs quick access to reliable equations from math, science, and engineering. With over 500 essential formulas and a commitment to adding more in future updates (at no additional cost!), Equation Sheets gives you the power to simplify your problem-solving process. Key Features: 500+ Equations Across Disciplines Access a comprehensive collection of equations from Mathematics, Physics, Chemistry, Engineering, and more. With over 500 equations at your fingertips, you’ll never have to waste time searching for that one formula again. Editable and Customizable Not only can you browse pre-loaded equations, but you can also create your own! Add, modify, or edit equations to suit your needs, and store them in your personal library for easy reference. Multiple Viewing Modes View equations in three convenient ways: Equation Sheet: Get a quick overview of all your formulas in a clean, organized sheet. Equation List: Browse through equations in a list format for faster navigation and additional editing control. Individual Equations: Dive deep into each equation with explanations, units, and examples (where available) to ensure you understand every aspect. Future-Proof with Regular Updates As a part of our commitment to providing value, Equation Sheets will continue to grow with frequent updates, adding more equations at no extra cost. What you pay for today is all you’ll ever need! Offline Access Work offline, wherever you are! Once downloaded, you’ll have access to your entire equation library even without an internet connection. Cloud Syncing iCloud sync built in, need a quick reference its on your phone, studying and want to use that big iPad screen, the equations you add are on all your devices. Clean, User-Friendly Design The app is designed for ease of use, whether you're navigating through hundreds of equations or adding your own. Find what you need quickly, and enjoy a smooth experience every time. Why Equation Sheets? Whether you’re solving physics problems, calculating chemical reactions, or tackling complex engineering designs, Equation Sheets is built to be your go-to tool. Save time, reduce stress, and enhance your productivity with a comprehensive equation database that’s always at your fingertips. Who Can Benefit from Equation Sheets? Students: Perfect for math, science, and engineering students who need equations for coursework, exams, or projects. Professionals: Engineers, physicists, chemists, and mathematicians will appreciate the app’s accurate, reliable equation reference. Hobbyists & Learners: Anyone with a curiosity for math or science will love having this wealth of knowledge in their pocket. Get Started Today! Don’t waste time searching for formulas online—download Equation Sheets today and take the power of 500+ equations wherever you go. Feedback can be sent to: equationsheets@joshssoftwarellc.com
Screenshots
Verdict
The clearest difference is update cadence: Equation Sheets at every 9 days against cMate's every 24 months. Equation Sheets also leads on price ($5.99 vs $7.99). cMate's advantage is iOS requirement (10.0 vs 17.6). On rating, ratings volume, ads and in-app purchases 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
cMate costs $7.99 and Equation Sheets $5.99 up front. Neither carries in-app purchases, so what you see is what you pay.
On the App Store both sit at effectively the same score — 5.0 for cMate against 5.0 for Equation Sheets. Both are backed by a comparable volume of ratings — 1 and 2 respectively.
cMate ships an update every 24 months, Equation Sheets every 9 days. The most recent releases landed on September 28, 2026 and September 14, 2026 respectively.
| Parameter | cMate | Equation Sheets |
|---|---|---|
| Price | $7.99 | $5.99 — better |
| Rating | 5.0 (1 ratings) | 5.0 (2 ratings) |
| Positive reviews | 38.5% of reviews | — |
| Number of ratings | 1 | 2 — better |
| Update frequency | Every 24 months | Every 9 days — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free — better | Paid |
| Devices | iPhone, iPad, iPod — better | iPhone, iPad |
| Requires iOS | 10.0 — better | 17.6 |
| Further details — not scored | ||
| Size | 75 MB | 18 MB |
| Age rating | +4 | 4+ |
| Developer | Maxim Lukyanenko | Josh's Software LLC |
Customer experience
cMate
Equation Sheets
In-app purchases
cMate
No in-app purchases
Equation Sheets
No in-app purchases



