# ScanPulse PDF Doc Reader Maker vs Proteus Unit Converter

The clearest difference is ads: Proteus Unit Converter at none against ScanPulse PDF Doc Reader Maker's shown. Proteus Unit Converter also leads on update cadence (every 6 days vs every 2 months). ScanPulse PDF Doc Reader Maker's advantage is iOS requirement (15.0 vs 17.0). On price, rating, ratings volume and in-app purchases there is nothing between them.

Both are free to download. ScanPulse PDF Doc Reader Maker sells 6 in-app purchases, starting at $0.29 per 7 days and Proteus Unit Converter sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

On the App Store both sit at effectively the same score — 5.0 for ScanPulse PDF Doc Reader Maker against 5.0 for Proteus Unit Converter. Both are backed by a comparable volume of ratings — 1 and 1 respectively.

ScanPulse PDF Doc Reader Maker ships an update every 2 months, Proteus Unit Converter every 6 days. The most recent releases landed on September 23, 2026 and September 26, 2026 respectively.

## The numbers

| Metric | ScanPulse PDF Doc Reader Maker | Proteus Unit Converter |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [5.0 (1 ratings)](https://appshunter.io/ios/app/scanpulse-pdf-doc-reader-maker/id6475978329/reviews) | [5.0 (1 ratings)](https://appshunter.io/ios/app/proteus-unit-converter-ai/id6771934129/reviews) |
| Number of ratings | 1 | 1 |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | Yes | Yes |
| Ads | Yes | **No** |
| Update frequency | Every 2 months | **Every 6 days** |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 31 MB | 9 MB |
| Requires iOS | **15.0** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [dipen narola](https://appshunter.io/developer/1228304397) | [KKB CoRi Technologies Private Limited](https://appshunter.io/developer/1887008624) |

## What reviewers say

### ScanPulse PDF Doc Reader Maker

[App page](https://appshunter.io/ios/app/scanpulse-pdf-doc-reader-maker/id6475978329)

Transform your smartphone into a powerful PDF scanner. Easily scan documents, ID cards, books, and photos, converting them into high-quality PDFs or JPEGs. Edit, add signatures, and extract text with OCR. Share your scanned files efficiently.

**Highlights:** High-quality PDF scanning, Versatile document scanning, Edit and annotate PDFs, OCR text extraction, Multi-page scanning, Scan ID and passport, Share and export files

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

**In-app purchases (6)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 7 days Ads Free Subscription | $0.29 | per 7 days |
| 1 Month Ads Free Subscription | $0.59 | per month |
| 3 Month Ads Free Subscription | $1.59 | per 3 months |
| 6 Month Ads Free Subscription | $2.69 | per 6 months |
| 12 Month Ads Free Subscription | $4.19 | per year |
| Ads free service for 30 days | $0.29 | one-time |


### Proteus Unit Converter

[App page](https://appshunter.io/ios/app/proteus-unit-converter-ai/id6771934129)

This app offers instant conversions for over 350 units across 28 categories, including compound measurements and live currency exchange rates. It features an AI assistant for natural language queries and voice input for hands-free operation.

**Highlights:** Compound unit conversions, Live currency exchange rates, AI assistant for natural language queries, Voice input for hands-free conversions, Extensive unit categories, Customizable interface

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Proteus Full Access | $2.49 | one-time |


## Frequently asked questions

### Is ScanPulse PDF Doc Reader Maker free?

ScanPulse PDF Doc Reader Maker is free to download, with in-app purchases available.

### Is Proteus Unit Converter free?

Proteus Unit Converter is free to download, with in-app purchases available.

### Which has better reviews, ScanPulse PDF Doc Reader Maker or Proteus Unit Converter?

ScanPulse PDF Doc Reader Maker and Proteus Unit Converter are both rated 5.0 out of 5 on the App Store, from 1 and 1 ratings respectively.

### Do ScanPulse PDF Doc Reader Maker or Proteus Unit Converter have ads?

ScanPulse PDF Doc Reader Maker shows ads; Proteus Unit Converter does not.

### Which is updated more often, ScanPulse PDF Doc Reader Maker or Proteus Unit Converter?

ScanPulse PDF Doc Reader Maker ships an update every 2 months, and Proteus Unit Converter every 6 days. Most recently, ScanPulse PDF Doc Reader Maker was updated on September 23, 2026 and Proteus Unit Converter on September 26, 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.*