# Scan to PDF vs SHI

The clearest difference is rating: SHI at 3.0 against Scan to PDF's 2.0. SHI also leads on in-app purchases (none vs 2) and update cadence (every 5 days vs every 3 weeks). On price, ads and device support there is nothing between them.

Both are free to download. Scan to PDF sells 2 in-app purchases, starting at $4.99 per 7 days. SHI asks for nothing beyond the download.

SHI holds the better App Store score, 3.0 against 2.0. Both are backed by a comparable volume of ratings — 1 and 4 respectively.

Scan to PDF ships an update every 3 weeks, SHI every 5 days. The most recent releases landed on October 30, 2026 and November 5, 2026 respectively.

## The numbers

| Metric | Scan to PDF | SHI |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [2.0 (1 ratings)](https://appshunter.io/ios/app/scan-to-pdf-document-scanner/id6753138636/reviews) | **[3.0 (4 ratings)](https://appshunter.io/ios/app/shi-x/id6755292388/reviews)** |
| Number of ratings | 1 | **4** |
| Positive reviews | — | 50.0% of reviews |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 3 weeks | **Every 5 days** |
| Monetization | Freemium | **Free** |
| Size | 41 MB | 90 MB |
| Requires iOS | 15.6 | **13.0** |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 17+ |
| Developer | [Dolf Hekman](https://appshunter.io/developer/1842582160) | [shipay](https://appshunter.io/developer/1852967211) |

## What reviewers say

### Scan to PDF

[App page](https://appshunter.io/ios/app/scan-to-pdf-document-scanner/id6753138636)

Easily convert paper documents into digital PDFs using your phone's camera. Edit, sign, and share scanned files directly from the app. Ideal for managing receipts, forms, and contracts on the go.

**Highlights:** Scan documents to PDF, Edit and annotate PDFs, Add digital signatures, Share files via email and cloud, Convert receipts, forms, and notes

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly Premium | $4.99 | per 7 days |
| Annual Premium | $19.99 | per year |


### SHI

[App page](https://appshunter.io/ios/app/shi-x/id6755292388)

This app provides a comprehensive smart lifestyle and business ecosystem for international visitors in mainland China. It offers VIP airport services, cross-border trade tools, and seamless access to local mobility and daily life conveniences.

**Highlights:** VIP Airport Concierge, Cross-Border Trade Platform, Integrated eSIM, Premium Mobility Services, Hotel & Restaurant Booking, Logistics Engine

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

**In-app purchases:** none


## Frequently asked questions

### Is Scan to PDF free?

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

### Is SHI free?

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

### Which has better reviews, Scan to PDF or SHI?

SHI is rated higher. Scan to PDF averages 2.0 out of 5 from 1 ratings, while SHI averages 3.0 from 4 ratings.

### Do Scan to PDF or SHI have ads?

Neither Scan to PDF nor SHI shows ads.

### Which is updated more often, Scan to PDF or SHI?

Scan to PDF ships an update every 3 weeks, and SHI every 5 days. Most recently, Scan to PDF was updated on October 30, 2026 and SHI on November 5, 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.*