# 1Sim Assist vs PDF  Scanner Pro .

The clearest difference is rating: PDF  Scanner Pro . at 4.5 against 1Sim Assist's 1.0. PDF  Scanner Pro . also leads on ratings volume (11 vs 1). 1Sim Assist's advantage is iOS requirement (8.0 vs 16.0). On price, update cadence, ads and in-app purchases there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

PDF  Scanner Pro . holds the better App Store score, 4.5 against 1.0. That said, the two scores are not equally well evidenced: PDF  Scanner Pro . has 11 ratings behind it against 1, so its average is the more settled of the two.

1Sim Assist ships an update every 5 weeks, PDF  Scanner Pro . every 2 months. The most recent releases landed on October 11, 2026 and October 8, 2026 respectively.

## The numbers

| Metric | 1Sim Assist | PDF  Scanner Pro . |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [1.0 (1 ratings)](https://appshunter.io/ios/app/1sim-assist/id862469463/reviews) | **[4.5 (11 ratings)](https://appshunter.io/ios/app/pdf-scanner-pro/id6504494406/reviews)** |
| Number of ratings | 1 | **11** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 5 weeks** | Every 2 months |
| Monetization | Free | Free |
| Size | 17 MB | 27 MB |
| Requires iOS | **8.0** | 16.0 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Belmont Telecom, Inc.](https://appshunter.io/developer/510353132) | [Abdullah Al Mamun](https://appshunter.io/developer/1752457861) |

## What reviewers say

### 1Sim Assist

[App page](https://appshunter.io/ios/app/1sim-assist/id862469463)

This app helps international travelers make mobile calls while roaming. It automatically corrects misdialed numbers by adding international prefixes and country codes, and managing leading zeros. This reduces billing errors and user frustration.

**Highlights:** Automatic number correction, Adds international prefixes, Adds country codes, Manages leading zeros, Works with any SIM card

**Features:** macOS Compatibility

**In-app purchases:** none


### PDF  Scanner Pro .

[App page](https://appshunter.io/ios/app/pdf-scanner-pro/id6504494406)

This app provides a comprehensive suite of tools for scanning, editing, converting, and organizing PDF documents. Easily scan physical documents with your camera, modify text, add signatures, and merge multiple files into one. It supports various import and export formats for seamless document management.

**Highlights:** Scan documents with camera, Edit text and add annotations, Convert various file types to PDF, Import from cloud storage, Add custom signatures, Organize and merge PDF pages, Share and print PDFs

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is 1Sim Assist free?

1Sim Assist is free to download, with no in-app purchases.

### Is PDF  Scanner Pro . free?

PDF  Scanner Pro . is free to download, with no in-app purchases.

### Which has better reviews, 1Sim Assist or PDF  Scanner Pro .?

PDF  Scanner Pro . is rated higher. 1Sim Assist averages 1.0 out of 5 from 1 ratings, while PDF  Scanner Pro . averages 4.5 from 11 ratings.

### Do 1Sim Assist or PDF  Scanner Pro . have ads?

Neither 1Sim Assist nor PDF  Scanner Pro . shows ads.

### Which is updated more often, 1Sim Assist or PDF  Scanner Pro .?

1Sim Assist ships an update every 5 weeks, and PDF  Scanner Pro . every 2 months. Most recently, 1Sim Assist was updated on October 11, 2026 and PDF  Scanner Pro . on October 8, 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.*