# Smallpdf vs Construction Calculator Master

The clearest difference is rating: Smallpdf at 4.8 against Construction Calculator Master's 4.0. Smallpdf also leads on ratings volume (6.9K vs 1). Construction Calculator Master's advantage is in-app purchases (none vs 10). On price, update cadence, ads and device support there is nothing between them.

Both are free to download. Smallpdf sells 7 in-app purchases, starting at $7.99 per month. Construction Calculator Master asks for nothing beyond the download.

Smallpdf holds the better App Store score, 4.8 against 4.0. That said, the two scores are not equally well evidenced: Smallpdf has 6.9K ratings behind it against 1, so its average is the more settled of the two.

Both ship on a similar rhythm, roughly every 2 weeks. The most recent releases landed on November 8, 2026 and October 30, 2026 respectively.

## The numbers

| Metric | Smallpdf | Construction Calculator Master |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.8 (6.9K ratings)](https://appshunter.io/ios/app/smallpdf-scanner-and-pdf-editor/id1485259500/reviews)** | [4.0 (1 ratings)](https://appshunter.io/ios/app/construction-calculator-master/id6755223268/reviews) |
| Number of ratings | **6.9K** | 1 |
| Positive reviews | 67.6% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 2 weeks | Every 2 weeks |
| Monetization | Free with in-app purchases | **Free** |
| Size | 112 MB | 10 MB |
| Requires iOS | 15.6 | **14.0** |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Smallpdf](https://appshunter.io/developer/1485259499) | [Vaghani Keyur](https://appshunter.io/developer/1164464860) |

## What reviewers say

### Smallpdf

[App page](https://appshunter.io/ios/app/smallpdf-scanner-and-pdf-editor/id1485259500)

This app offers a comprehensive suite of tools to manage PDF documents. Easily convert, edit, compress, sign, merge, and scan PDFs using your mobile device. It also features OCR technology to convert scanned documents into editable text.

**Highlights:** Convert PDFs to Word, Excel, PPT, JPG, PNG, Edit PDFs with text, images, and annotations, Compress PDFs to reduce file size, Sign PDFs electronically, Merge multiple PDF files, Scan documents to PDF with OCR, Fill out PDF forms

**Features:** Vision Pro support

**In-app purchases (7)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly Plan | $7.99 | per month |
| Monthly Plan | $11.99 | per month |
| Monthly Plan | $14.99 | per month |
| Yearly Plan | $49.99 | per year |
| Yearly Plan | $59.99 | per year |
| Yearly Plan | $107.99 | per year |
| Yearly Plan | $119.99 | per year |

**What reviewers like**

- 👍 Easy to use
- 🚀 Fast and efficient
- 💡 Useful features
- 🔒 Secure
- 🆓 Free to use

**What reviewers complain about**

- 🐛 Buggy and crashes
- 💰 Paid version required for full functionality
- 🤔 Confusing account management
- 🤯 Missing key features
- 🤖 Poor customer support

**Reported bugs**

- Files not saving properly
- Conversion issues with larger documents
- Unexpected crashes and freezes
- Compatibility problems with older devices
- Incorrect file content after compression

**Requested features**

- Add more color options for annotations
- Improve search functionality for saved documents
- Enhance iPad compatibility
- Allow inserting images into PDFs
- Provide better file management and organization


### Construction Calculator Master

[App page](https://appshunter.io/ios/app/construction-calculator-master/id6755223268)

This app simplifies construction planning and estimation for contractors and DIYers. It offers tools for calculating volume, area, roofing, masonry, stairs, and drywall, ensuring accurate material estimates and project planning.

**Highlights:** Volume and area calculations, Roofing and hip roof calculations, Brick and block wall calculations, Stairs design and calculations, Drywall estimation, Rafter and polygon calculations

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Smallpdf free?

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

### Is Construction Calculator Master free?

Construction Calculator Master is free to download, with no in-app purchases.

### Which has better reviews, Smallpdf or Construction Calculator Master?

Smallpdf is rated higher. Smallpdf averages 4.8 out of 5 from 6.9K ratings, while Construction Calculator Master averages 4.0 from 1 ratings.

### Do Smallpdf or Construction Calculator Master have ads?

Neither Smallpdf nor Construction Calculator Master shows ads.

### Which is updated more often, Smallpdf or Construction Calculator Master?

Smallpdf ships an update every 2 weeks, and Construction Calculator Master every 2 weeks. Most recently, Smallpdf was updated on November 8, 2026 and Construction Calculator Master on October 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.*