# DataSMS vs Construction Roofing calc

The clearest difference is in-app purchases: DataSMS at none against Construction Roofing calc's 4. On price, update cadence, ads and device support there is nothing between them.

Both are free to download. Construction Roofing calc sells 4 in-app purchases, starting at $0.99 per month. DataSMS asks for nothing beyond the download.

DataSMS ships an update every 2 months, Construction Roofing calc monthly. The most recent releases landed on October 8, 2026 and September 22, 2026 respectively.

## The numbers

| Metric | DataSMS | Construction Roofing calc |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[3.7 (10 ratings)](https://appshunter.io/ios/app/construction-roofing-calc/id6532623074/reviews)** |
| Number of ratings | — | **10** |
| Positive reviews | — | 0.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 2 months | **Monthly** |
| Monetization | — | Free with in-app purchases |
| Size | 55 MB | 7 MB |
| Requires iOS | **16.0** | 16.2 |
| Devices | iPhone | **iPhone, iPad** |
| Age rating | 4+ | 4+ |
| Developer | [DATASYS s.r.o.](https://appshunter.io/developer/1495816002) | [Vladislav Zhirnov](https://appshunter.io/developer/1476188065) |

## What reviewers say

### DataSMS

[App page](https://appshunter.io/ios/app/datasms/id1490109768)

**In-app purchases:** none


### Construction Roofing calc

[App page](https://appshunter.io/ios/app/construction-roofing-calc/id6532623074)

Simplify roofing projects with a comprehensive calculator app for professionals and DIYers. Quickly estimate materials, calculate cuts, and determine costs for various roof types. Essential tools for accurate and efficient roofing work.

**Highlights:** Birdsmouth Cut calculator, Gambrel Roof calculator, Metal Roof Cost estimator, Rafter Length calculator, Truss Count calculator, Roof Shingle estimator

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

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Remove ADS | $0.99 | per month |
| Remove ADS Year | $2.99 | per year |
| Remove ADS | $3.99 | one-time |
| Remove ADS | $5.99 | one-time |


## Frequently asked questions

### Is DataSMS free?

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

### Is Construction Roofing calc free?

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

### Do DataSMS or Construction Roofing calc have ads?

Neither DataSMS nor Construction Roofing calc shows ads.

### Which is updated more often, DataSMS or Construction Roofing calc?

DataSMS ships an update every 2 months, and Construction Roofing calc monthly. Most recently, DataSMS was updated on October 8, 2026 and Construction Roofing calc on September 22, 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.*