# CMCalc vs YardScan

The clearest difference is rating: YardScan at 5.0 against CMCalc's 4.5. YardScan also leads on update cadence (every 4 months vs every 45 months) and review sentiment (100% vs 75%). CMCalc's advantage is in-app purchases (none vs 1) and iOS requirement (12.0 vs 17.6). On price, ratings volume, ads and device support there is nothing between them.

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

YardScan holds the better App Store score, 5.0 against 4.5. Both are backed by a comparable volume of ratings — 6 and 3 respectively. Written reviews point the same way: 75% of CMCalc's written reviews are positive against 100% of YardScan's.

CMCalc ships an update every 45 months, YardScan every 4 months. The most recent releases landed on October 9, 2026 and October 17, 2026 respectively.

## The numbers

| Metric | CMCalc | YardScan |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.5 (6 ratings)](https://appshunter.io/ios/app/cmcalc/id974432836/reviews) | **[5.0 (3 ratings)](https://appshunter.io/ios/app/yardscan/id6763163502/reviews)** |
| Number of ratings | **6** | 3 |
| Positive reviews | 75.0% of reviews | **100.0% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 45 months | **Every 4 months** |
| Monetization | **Free** | Free with in-app purchases |
| Size | 4 MB | 2 MB |
| Requires iOS | **12.0** | 17.6 |
| Devices | **iPhone, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [William David](https://appshunter.io/developer/974432835) | [Bryskin Enterprises LLC](https://appshunter.io/developer/1895191964) |

## 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


### YardScan

[App page](https://appshunter.io/ios/app/yardscan/id6763163502)

Measure yard areas and calculate material needs using augmented reality. Simply tap corner points to define shapes and select materials for instant estimates of bags or cubic yards. Avoid extra trips to the store with precise calculations for various landscaping projects.

**Highlights:** AR yard area measurement, Instant material quantity calculation, Support for various materials (mulch, soil, gravel, pavers, sod), Overage buffer and cost estimation, Project saving and photo attachments, Metric unit support

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| YardScan Pro | $3.99 | one-time |


## Frequently asked questions

### Is CMCalc free?

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

### Is YardScan free?

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

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

YardScan is rated higher. CMCalc averages 4.5 out of 5 from 6 ratings, while YardScan averages 5.0 from 3 ratings.

### Do CMCalc or YardScan have ads?

Neither CMCalc nor YardScan shows ads.

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

CMCalc ships an update every 45 months, and YardScan every 4 months. Most recently, CMCalc was updated on October 9, 2026 and YardScan on October 17, 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.*