# cMate vs Equation Sheets

The clearest difference is monetization model: cMate at free against Equation Sheets's paid. cMate also leads on iOS requirement (10.0 vs 17.6). Equation Sheets's advantage is update cadence (every 9 days vs every 24 months). On price, rating, ratings volume and ads there is nothing between them.

cMate costs $7.99 and Equation Sheets $7.99 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 October 1, 2026 respectively.

## The numbers

| Metric | cMate | Equation Sheets |
| --- | --- | --- |
| Price | $7.99 | $7.99 |
| Rating | [5.0 (1 ratings)](https://appshunter.io/ios/app/cmate-pro/id1496252742/reviews) | [5.0 (2 ratings)](https://appshunter.io/ios/app/equation-sheets/id6754772691/reviews) |
| Number of ratings | 1 | **2** |
| Positive reviews | 38.5% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 24 months | **Every 9 days** |
| Monetization | **Free** | Paid |
| Size | 75 MB | 18 MB |
| Requires iOS | **10.0** | 17.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | +4 | 4+ |
| Developer | [Maxim Lukyanenko](https://appshunter.io/developer/1496252741) | [Josh's Software LLC](https://appshunter.io/developer/1816033983) |

## What reviewers say

### cMate

[App page](https://appshunter.io/ios/app/cmate-pro/id1496252742)

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.

**Highlights:** 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

**Features:** macOS Compatibility

**In-app purchases:** none


### Equation Sheets

[App page](https://appshunter.io/ios/app/equation-sheets/id6754772691)

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.

**Highlights:** 500+ equations across disciplines, Editable and customizable formulas, Multiple viewing modes, Offline access, Cloud syncing, Regular updates

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is cMate free?

cMate costs $7.99, with no in-app purchases.

### Is Equation Sheets free?

Equation Sheets costs $7.99, with no in-app purchases.

### Which has better reviews, cMate or Equation Sheets?

cMate and Equation Sheets are both rated 5.0 out of 5 on the App Store, from 1 and 2 ratings respectively.

### Do cMate or Equation Sheets have ads?

Neither cMate nor Equation Sheets shows ads.

### Which is updated more often, cMate or Equation Sheets?

cMate ships an update every 24 months, and Equation Sheets every 9 days. Most recently, cMate was updated on September 28, 2026 and Equation Sheets on October 1, 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.*