# CLM Timer vs Construction Calculator

The clearest difference is in-app purchases: CLM Timer at none against Construction Calculator's 5. Construction Calculator's advantage is iOS requirement (15.1 vs 26.0). On price, update cadence, ads and device support there is nothing between them.

Both are free to download. Construction Calculator sells 5 in-app purchases, starting at $4.99 per 7 days. CLM Timer asks for nothing beyond the download.

CLM Timer ships an update every 2 months, Construction Calculator every 6 weeks. The most recent releases landed on October 11, 2026 and September 30, 2026 respectively.

## The numbers

| Metric | CLM Timer | Construction Calculator |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.4 (18 ratings)](https://appshunter.io/ios/app/construction-calculator-xcal/id6768104883/reviews)** |
| Number of ratings | — | **18** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 6 weeks** |
| Monetization | — | Freemium |
| Size | 5 MB | 59 MB |
| Requires iOS | 26.0 | **15.1** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Josiah Lenowitz](https://appshunter.io/developer/1851317999) | [Abdulmonem Dakheel](https://appshunter.io/developer/1772458822) |

## What reviewers say

### CLM Timer

[App page](https://appshunter.io/ios/app/clm-timer/id6755001515)

**Features:** macOS Compatibility

**In-app purchases:** none


### Construction Calculator

[App page](https://appshunter.io/ios/app/construction-calculator-xcal/id6768104883)

This app provides professional construction calculations and conversions for contractors and DIYers. It offers tools for feet and inches, metric measurements, material estimation, and advanced construction tasks like roof pitch and stair layouts. Simplify your jobsite work with accurate and fast results.

**Highlights:** Feet & inch calculations, Metric conversions, Fractions & decimals, Area & volume calculations, Roof pitch & angles, Material estimators, Stair & stud layouts

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

**In-app purchases (5)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly | $4.99 | per 7 days |
| Monthly | $7.99 | per month |
| Yearly | $19.99 | per year |
| lifetime access | $19.99 | one-time |
| lifetime access | $24.99 | one-time |


## Frequently asked questions

### Is CLM Timer free?

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

### Is Construction Calculator free?

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

### Do CLM Timer or Construction Calculator have ads?

Neither CLM Timer nor Construction Calculator shows ads.

### Which is updated more often, CLM Timer or Construction Calculator?

CLM Timer ships an update every 2 months, and Construction Calculator every 6 weeks. Most recently, CLM Timer was updated on October 11, 2026 and Construction Calculator on September 30, 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.*