# PDF Document Scanner vs Vai Phone

The clearest difference is review sentiment: Vai Phone at 100% against PDF Document Scanner's 0%. Vai Phone also leads on ads (none vs shown) and update cadence (every 3 weeks vs every 112 months). On price, in-app purchases and device support there is nothing between them.

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

PDF Document Scanner ships an update every 112 months, Vai Phone every 3 weeks. The most recent releases landed on October 29, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | PDF Document Scanner | Vai Phone |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/vai-phone/id1497588421/reviews)** |
| Number of ratings | — | **1** |
| Positive reviews | 0.0% of reviews | **100.0% of reviews** |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | Every 112 months | **Every 3 weeks** |
| Monetization | Ad-supported | **Free** |
| Size | 19 MB | 25 MB |
| Requires iOS | 15.6 | **9.0** |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Ramalingam Sivaramakrishnan](https://appshunter.io/developer/892706271) | [Blast Technologies Pty Ltd](https://appshunter.io/developer/1497588420) |

## What reviewers say

### PDF Document Scanner

[App page](https://appshunter.io/ios/app/pdf-document-scanner-live/id1080216395)

Transform your device into a portable scanner to digitize multi-page documents, receipts, and more. Automatically detects borders, corrects distortion, and enhances image quality for perfect scans. Share your digitized documents easily via email or print.

**Highlights:** Digitize multi-page documents, Scan various items like receipts and business cards, Automatic border detection and cropping, Image quality enhancement, Import from gallery or scan directly, Share via email or print

**Features:** macOS Compatibility

**In-app purchases:** none


### Vai Phone

[App page](https://appshunter.io/ios/app/vai-phone/id1497588421)

This app provides a full-featured Cloud PBX system, enabling users to make calls with a virtual phone system. Features include auto-attendant, music on hold, and call recordings, all for free.

**Highlights:** Cloud PBX system, Auto Attendant, Music on Hold, Call Recordings, Free to use

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is PDF Document Scanner free?

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

### Is Vai Phone free?

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

### Do PDF Document Scanner or Vai Phone have ads?

PDF Document Scanner shows ads; Vai Phone does not.

### Which is updated more often, PDF Document Scanner or Vai Phone?

PDF Document Scanner ships an update every 112 months, and Vai Phone every 3 weeks. Most recently, PDF Document Scanner was updated on October 29, 2026 and Vai Phone on October 24, 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.*