# ScanFlow PDF Scanner vs HVAC

The clearest difference is rating: ScanFlow PDF Scanner at 5.0 against HVAC's 3.0. ScanFlow PDF Scanner also leads on iOS requirement (15.0 vs 17.0). On price, ratings volume, update cadence and ads there is nothing between them.

Both are free to download. ScanFlow PDF Scanner sells 3 in-app purchases, starting at $9.99 per 7 days and HVAC sells 3 in-app purchases, starting at $9.99 per 7 days. Whichever you choose, the download price is not the number that matters.

ScanFlow PDF Scanner holds the better App Store score, 5.0 against 3.0. Both are backed by a comparable volume of ratings — 1 and 2 respectively.

ScanFlow PDF Scanner ships an update every 3 weeks, HVAC every 11 days. The most recent releases landed on October 25, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | ScanFlow PDF Scanner | HVAC |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/scanflow-pdf-scanner/id6763491224/reviews)** | [3.0 (2 ratings)](https://appshunter.io/ios/app/hvac-nameplate-scanner/id6814725045/reviews) |
| Number of ratings | 1 | **2** |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 3 weeks | **Every 11 days** |
| Monetization | Free with in-app purchases | — |
| Size | 44 MB | 58 MB |
| Requires iOS | **15.0** | 17.0 |
| Devices | **iPhone, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [倩倩 王](https://appshunter.io/developer/1860754687) | [APPSPHERE LIMITED](https://appshunter.io/developer/6785789248) |

## What reviewers say

### ScanFlow PDF Scanner

[App page](https://appshunter.io/ios/app/scanflow-pdf-scanner/id6763491224)

This app offers a comprehensive suite of tools for managing documents, from scanning and OCR to conversion, editing, and AI-powered analysis. It streamlines workflows for tasks like redaction, summarization, and translation, all within a structured interface.

**Highlights:** Camera scanning and photo import, OCR text recognition, Document conversion (image to PDF, Word to PDF, etc.), PDF editing (markup, signatures, redaction), AI document analysis (summarization, translation), Privacy features (redaction, password protection)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| VIP Membership | $9.99 | per 7 days |
| VIP Membership | $39.99 | per year |
| VIP Membership | $59.99 | one-time |


### HVAC

[App page](https://appshunter.io/ios/app/hvac-nameplate-scanner/id6814725045)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| VIP Membership | $9.99 | per 7 days |
| VIP Membership | $39.99 | per year |
| VIP Membership | $59.99 | one-time |


## Frequently asked questions

### Is ScanFlow PDF Scanner free?

ScanFlow PDF Scanner is free to download, with in-app purchases available.

### Is HVAC free?

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

### Which has better reviews, ScanFlow PDF Scanner or HVAC?

ScanFlow PDF Scanner is rated higher. ScanFlow PDF Scanner averages 5.0 out of 5 from 1 ratings, while HVAC averages 3.0 from 2 ratings.

### Do ScanFlow PDF Scanner or HVAC have ads?

Neither ScanFlow PDF Scanner nor HVAC shows ads.

### Which is updated more often, ScanFlow PDF Scanner or HVAC?

ScanFlow PDF Scanner ships an update every 3 weeks, and HVAC every 11 days. Most recently, ScanFlow PDF Scanner was updated on October 25, 2026 and HVAC on October 31, 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.*