# CMCalc vs QReadle

The clearest difference is in-app purchases: CMCalc at none against QReadle's 1. CMCalc also leads on iOS requirement (12.0 vs 17.0). QReadle's advantage is update cadence (every 6 weeks vs every 45 months). On price, ads and device support there is nothing between them.

Both are free to download. QReadle sells 1 in-app purchase, starting at $4.99 per 7 days. CMCalc asks for nothing beyond the download.

CMCalc ships an update every 45 months, QReadle every 6 weeks. The most recent releases landed on October 9, 2026 and October 1, 2026 respectively.

## The numbers

| Metric | CMCalc | QReadle |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.5 (6 ratings)](https://appshunter.io/ios/app/cmcalc/id974432836/reviews)** | — |
| Number of ratings | **6** | — |
| Positive reviews | 75.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 45 months | **Every 6 weeks** |
| Monetization | Free | — |
| Size | 4 MB | 18 MB |
| Requires iOS | **12.0** | 17.0 |
| Devices | **iPhone, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [William David](https://appshunter.io/developer/974432835) | [Yury Brankouski](https://appshunter.io/developer/1795930905) |

## 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


### QReadle

[App page](https://appshunter.io/ios/app/qreadle-scan-create-qr-codes/id6768410607)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly | $4.99 | per 7 days |


## Frequently asked questions

### Is CMCalc free?

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

### Is QReadle free?

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

### Do CMCalc or QReadle have ads?

Neither CMCalc nor QReadle shows ads.

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

CMCalc ships an update every 45 months, and QReadle every 6 weeks. Most recently, CMCalc was updated on October 9, 2026 and QReadle 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.*