# CMCalc vs RCL

The clearest difference is review sentiment: RCL at 100% against CMCalc's 75%. RCL also leads on update cadence (every 14 months vs every 45 months). CMCalc's advantage is iOS requirement (12.0 vs 15.1). On price, ads, in-app purchases and monetization model there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

CMCalc ships an update every 45 months, RCL every 14 months. The most recent releases landed on October 24, 2026 and October 6, 2026 respectively.

## The numbers

| Metric | CMCalc | RCL |
| --- | --- | --- |
| 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 | **100.0% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 45 months | **Every 14 months** |
| Monetization | Free | Free |
| Size | 4 MB | 2 MB |
| Requires iOS | **12.0** | 15.1 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [William David](https://appshunter.io/developer/974432835) | [Paul Novaes](https://appshunter.io/developer/597527233) |

## 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


### RCL

[App page](https://appshunter.io/ios/app/rcl-57/id1621959742)

This app faithfully recreates the TI-57 programmable calculator, offering its full scientific functions and programming capabilities. It includes a user manual, sample programs, and features like turbo speed and alphanumeric display.

**Highlights:** TI-57 recreation, Scientific functions, Programming capabilities, User manual included, Sample programs, Turbo speed option, Alphanumeric display option

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is CMCalc free?

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

### Is RCL free?

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

### Do CMCalc or RCL have ads?

Neither CMCalc nor RCL shows ads.

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

CMCalc ships an update every 45 months, and RCL every 14 months. Most recently, CMCalc was updated on October 24, 2026 and RCL on October 6, 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.*