# CMCalc vs Adam's Calc

The clearest difference is in-app purchases: CMCalc at none against Adam's Calc's 1. CMCalc also leads on ads (none vs shown) and ratings volume (7 vs 2). Adam's Calc's advantage is rating (5.0 vs 4.6) and update cadence (every 4 months vs every 45 months). On price and device support there is nothing between them.

Both are free to download. Adam's Calc sells 1 one-off in-app purchase. CMCalc asks for nothing beyond the download.

Adam's Calc holds the better App Store score, 5.0 against 4.6. Both are backed by a comparable volume of ratings — 7 and 2 respectively.

CMCalc ships an update every 45 months, Adam's Calc every 4 months. The most recent releases landed on October 24, 2026 and October 9, 2026 respectively.

## The numbers

| Metric | CMCalc | Adam's Calc |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.6 (7 ratings)](https://appshunter.io/ios/app/cmcalc/id974432836/reviews) | **[5.0 (2 ratings)](https://appshunter.io/ios/app/adams-calc/id1296681283/reviews)** |
| Number of ratings | **7** | 2 |
| Positive reviews | 75.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 45 months | **Every 4 months** |
| Monetization | **Free** | Free with in-app purchases |
| Size | 4 MB | 5 MB |
| Requires iOS | **12.0** | 15.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [William David](https://appshunter.io/developer/974432835) | [RD Concepts](https://appshunter.io/developer/1293498470) |

## 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


### Adam's Calc

[App page](https://appshunter.io/ios/app/adams-calc/id1296681283)

A utility calculator that adds memory functionality to standard calculations. Designed to make your device's calculator more helpful by remembering previous results.

**Highlights:** Memory function for calculations, Enhanced utility calculator, Intuitive design, Remembers previous results

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Remove Advertising | $2.99 | one-time |


## Frequently asked questions

### Is CMCalc free?

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

### Is Adam's Calc free?

Adam's Calc is free to download, with in-app purchases available.

### Which has better reviews, CMCalc or Adam's Calc?

Adam's Calc is rated higher. CMCalc averages 4.6 out of 5 from 7 ratings, while Adam's Calc averages 5.0 from 2 ratings.

### Do CMCalc or Adam's Calc have ads?

Adam's Calc shows ads; CMCalc does not.

### Which is updated more often, CMCalc or Adam's Calc?

CMCalc ships an update every 45 months, and Adam's Calc every 4 months. Most recently, CMCalc was updated on October 24, 2026 and Adam's Calc on October 9, 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.*