# PDF Scanner Converter Document vs MSurvey

The clearest difference is in-app purchases: MSurvey at none against PDF Scanner Converter Document's 14. MSurvey also leads on ads (none vs shown) and iOS requirement (14.0 vs 16.0). PDF Scanner Converter Document's advantage is update cadence (every 11 days vs every 6 weeks). On price and device support there is nothing between them.

Both are free to download. PDF Scanner Converter Document sells 13 in-app purchases, starting at $3.99 per 7 days. MSurvey asks for nothing beyond the download.

PDF Scanner Converter Document ships an update every 11 days, MSurvey every 6 weeks. The most recent releases landed on September 29, 2026 and June 2, 2026 respectively.

## The numbers

| Metric | PDF Scanner Converter Document | MSurvey |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.5 (77 ratings)](https://appshunter.io/ios/app/pdf-scanner-converter-document/id1552902248/reviews)** | — |
| Number of ratings | **77** | — |
| Positive reviews | 26.5% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | **Every 11 days** | Every 6 weeks |
| Monetization | Free with in-app purchases | — |
| Size | 103 MB | 16 MB |
| Requires iOS | 16.0 | **14.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 9+ | 4+ |
| Developer | [TERALIX LTD](https://appshunter.io/developer/6771672730) | [C.ty CP Công nghệ, Dịch vụ Tài Nguyên và Môi trường (CDTM)](https://appshunter.io/developer/1821999108) |

## What reviewers say

### PDF Scanner Converter Document

[App page](https://appshunter.io/ios/app/pdf-scanner-converter-document/id1552902248)

Transform your smartphone into a versatile document scanner and editor. Easily scan, convert, and manage various file types, including images to PDF. Features include PDF editing, signing, printing, a math equation solver, real-time ruler, and QR code scanning.

**Highlights:** Document scanning with smart edge detection, Convert images and documents to PDF, Edit PDFs with annotations and signatures, Import/export various file formats, Math equation solver, Real-time distance measurement, QR code scanner

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

**In-app purchases (13)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Subscribe weekly | $3.99 | per 7 days |
| Subscribe monthly | $4.99 | per month |
| Subscribe monthly | $6.99 | per month |
| Premium version | $6.99 | per 7 days |
| Subscribe Monthly | $6.99 | per month |
| Subscribe monthly | $7.99 | per month |
| Premium Access | $7.99 | per 7 days |
| PDF Year Subscription | $29.99 | per year |
| PDF Year Subscription | $39.99 | per year |
| Subscribe annually | $39.99 | per year |
| Best solution for everyone | $39.99 | per year |
| Best solution for everyone | $39.99 | per year |
| PDF Scanner - Premium FOREVER | $49.99 | one-time |


### MSurvey

[App page](https://appshunter.io/ios/app/msurvey/id6747605808)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is PDF Scanner Converter Document free?

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

### Is MSurvey free?

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

### Do PDF Scanner Converter Document or MSurvey have ads?

PDF Scanner Converter Document shows ads; MSurvey does not.

### Which is updated more often, PDF Scanner Converter Document or MSurvey?

PDF Scanner Converter Document ships an update every 11 days, and MSurvey every 6 weeks. Most recently, PDF Scanner Converter Document was updated on September 29, 2026 and MSurvey on June 2, 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.*