# DVR Widget vs Construction Calc

The clearest difference is in-app purchases: DVR Widget at none against Construction Calc's 3. DVR Widget also leads on iOS requirement (8.2 vs 17.0). On price, update cadence, ads and device support there is nothing between them.

Both are free to download. Construction Calc sells 3 in-app purchases, starting at $3.99 per 7 days. DVR Widget asks for nothing beyond the download.

DVR Widget ships an update every 10 days, Construction Calc every 8 days. The most recent releases landed on October 7, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | DVR Widget | Construction Calc |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 10 days | **Every 8 days** |
| Size | 10 MB | 1 MB |
| Requires iOS | **8.2** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Zetta Systems Limited](https://appshunter.io/developer/1044602043) | [App Harbour ApS](https://appshunter.io/developer/1858231299) |

## What reviewers say

### DVR Widget

[App page](https://appshunter.io/ios/app/dvr-widget/id1323907538)

**Features:** macOS Compatibility

**In-app purchases:** none


### Construction Calc

[App page](https://appshunter.io/ios/app/construction-calc-tradecalc/id6780137961)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly Premium | $3.99 | per 7 days |
| Annual Premium | $14.99 | per year |
| Lifetime Unlock | $19.99 | one-time |


## Frequently asked questions

### Is DVR Widget free?

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

### Is Construction Calc free?

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

### Do DVR Widget or Construction Calc have ads?

Neither DVR Widget nor Construction Calc shows ads.

### Which is updated more often, DVR Widget or Construction Calc?

DVR Widget ships an update every 10 days, and Construction Calc every 8 days. Most recently, DVR Widget was updated on October 7, 2026 and Construction Calc on October 24, 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.*