# CMCalc vs FunctionCalc

The clearest difference is price: CMCalc at Free against FunctionCalc's $0.99. CMCalc also leads on iOS requirement (12.0 vs 26.2). FunctionCalc's advantage is rating (5.0 vs 4.5) and update cadence (every 8 days vs every 45 months). On ratings volume, ads, in-app purchases and device support there is nothing between them.

CMCalc is free to download; FunctionCalc costs $0.99 up front. Neither carries in-app purchases, so what you see is what you pay.

FunctionCalc holds the better App Store score, 5.0 against 4.5. Both are backed by a comparable volume of ratings — 6 and 13 respectively. Written reviews point the same way: 75% of CMCalc's written reviews are positive against 100% of FunctionCalc's.

CMCalc ships an update every 45 months, FunctionCalc every 8 days. The most recent releases landed on October 9, 2026 and September 23, 2026 respectively.

## The numbers

| Metric | CMCalc | FunctionCalc |
| --- | --- | --- |
| Price | **Free** | $0.99 |
| Rating | [4.5 (6 ratings)](https://appshunter.io/ios/app/cmcalc/id974432836/reviews) | **[5.0 (13 ratings)](https://appshunter.io/ios/app/functioncalc/id1455028714/reviews)** |
| Number of ratings | 6 | **13** |
| Positive reviews | 75.0% of reviews | **100.0% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 45 months | **Every 8 days** |
| Monetization | **Free** | Paid |
| Size | 4 MB | 2 MB |
| Requires iOS | **12.0** | 26.2 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [William David](https://appshunter.io/developer/974432835) | [Lawler Innovations, Inc](https://appshunter.io/developer/1455028713) |

## What reviewers say

### CMCalc

[App page](https://appshunter.io/ios/app/cmcalc/id974432836)

This app emulates a classic 1980s computer math calculator, offering decimal arithmetic, binary conversions, and logic functions. It supports parentheses for complex calculations and includes modern features like copy/paste and landscape mode.

**Highlights:** Decimal arithmetic, Binary conversions (decimal, binary, octal, hexadecimal), Binary logic functions, Operator grouping with parentheses, Hexadecimal input (A-F), Copy and paste results/functions, Landscape mode

**Features:** macOS Compatibility

**In-app purchases:** none


### FunctionCalc

[App page](https://appshunter.io/ios/app/functioncalc/id1455028714)

This all-in-one utility app helps veterans calculate VA disability benefits, track important dates, and perform everyday calculations. It includes a tip splitter, unit converter, and a powerful calculator with saved formulas.

**Highlights:** VA disability benefit calculator, Date countdown and elapsed time tracker, Tip calculator and bill splitting, Unit and currency converter, Time math and custom formulas, Full calculation history

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is CMCalc free?

CMCalc is free to download, with no in-app purchases.

### Is FunctionCalc free?

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

### Which has better reviews, CMCalc or FunctionCalc?

FunctionCalc is rated higher. CMCalc averages 4.5 out of 5 from 6 ratings, while FunctionCalc averages 5.0 from 13 ratings.

### Do CMCalc or FunctionCalc have ads?

Neither CMCalc nor FunctionCalc shows ads.

### Which is updated more often, CMCalc or FunctionCalc?

CMCalc ships an update every 45 months, and FunctionCalc every 8 days. Most recently, CMCalc was updated on October 9, 2026 and FunctionCalc on September 23, 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.*