# CMCalc vs my16c

The clearest difference is review sentiment: CMCalc at 75% against my16c's 0%. CMCalc also leads on in-app purchases (none vs 1) and iOS requirement (12.0 vs 26.0). my16c's advantage is update cadence (fortnightly vs every 45 months). On price, ads and device support there is nothing between them.

Both are free to download. my16c sells 1 one-off in-app purchase. CMCalc asks for nothing beyond the download.

CMCalc ships an update every 45 months, my16c fortnightly. The most recent releases landed on October 29, 2026 and October 28, 2026 respectively.

## The numbers

| Metric | CMCalc | my16c |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.6 (7 ratings)](https://appshunter.io/ios/app/cmcalc/id974432836/reviews)** | — |
| Number of ratings | **7** | — |
| Positive reviews | **75.0% of reviews** | 0.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 45 months | **Fortnightly** |
| Monetization | **Free** | Free with in-app purchases |
| Size | 4 MB | 9 MB |
| Requires iOS | **12.0** | 26.0 |
| Devices | iPhone, iPod | **iPhone, iPad, Mac** |
| Age rating | 4+ | 4+ |
| Developer | [William David](https://appshunter.io/developer/974432835) | [Miroslav Perovic](https://appshunter.io/developer/400748424) |

## 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


### my16c

[App page](https://appshunter.io/ios/app/my16c/id6762121583)

This app emulates a legendary programmer's calculator from the 1980s, offering cycle-accurate performance and faithful reproduction of its features. It includes base conversions, bit manipulation, RPN, and programmability, with modern conveniences like iCloud sync and a dark interface.

**Highlights:** Cycle-accurate emulation, Full base conversion (HEX, DEC, OCT, BIN), Bit operations, RPN entry, Programmable, Authentic LCD display, Word size control

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Unlock Full App | $9.99 | one-time |


## Frequently asked questions

### Is CMCalc free?

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

### Is my16c free?

my16c is free to download, with in-app purchases available.

### Do CMCalc or my16c have ads?

Neither CMCalc nor my16c shows ads.

### Which is updated more often, CMCalc or my16c?

CMCalc ships an update every 45 months, and my16c fortnightly. Most recently, CMCalc was updated on October 29, 2026 and my16c on October 28, 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.*