# PDF Reader vs Serviin

PDF Reader and Serviin are too close to call on the numbers: across 6 compared parameters — price, update cadence, ads and in-app purchases among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

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

Both ship on a similar rhythm, roughly every 2 months. The most recent releases landed on September 28, 2026 and September 11, 2026 respectively.

## The numbers

| Metric | PDF Reader | Serviin |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.3 (3.9K ratings)](https://appshunter.io/ios/app/pdf-reader-pdfelement/id1150215996/reviews)** | — |
| Number of ratings | **3.9K** | — |
| Positive reviews | 76.7% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | Every 2 months |
| Monetization | Free | — |
| Size | 173 MB | 41 MB |
| Requires iOS | **15.0** | 16.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Wondershare Technology (Hunan) Co.,Ltd.](https://appshunter.io/developer/1721309409) | [Tiche spojeni, s.r.o.](https://appshunter.io/developer/1230384030) |

## What reviewers say

### PDF Reader

[App page](https://appshunter.io/ios/app/pdf-reader-pdfelement/id1150215996)

This app offers a superior PDF reading experience with its innovative Liquid Mode, which optimizes documents for mobile screens. It also provides robust tools for annotating, signing, managing, and sharing your PDF files, catering to both work and study needs.

**Highlights:** Liquid Mode for optimized mobile reading, Annotation tools (pencil, text, highlighting), Handwritten signature insertion, File management (move, merge, copy, delete), Cloud service integration (Wondershare, iCloud), Create blank PDFs and folders

**Features:** Vision Pro support

**In-app purchases:** none

**What reviewers like**

- 👍 Easy to use
- 🚀 Efficient PDF editing
- 💡 Useful annotation tools
- 🚀 Convenient for students/professionals
- 👍 Great value for free app

**What reviewers complain about**

- 🐛 Crashes and glitches
- 🔒 Privacy concerns with account requirement
- 👎 Unintuitive user interface
- 🐛 Unreliable saving/syncing
- 👎 Limited functionality compared to paid version

**Reported bugs**

- Text boxes appearing randomly
- Inability to select/edit text in some PDFs
- Scrolling issues and page loading delays
- Incompatibility with certain PDF formats

**Requested features**

- Ability to edit text formatting (font, size, color)
- Support for multiple open documents
- Improved Apple Pencil integration
- Bookmark/favorite feature for frequently used PDFs
- Expanded cloud storage integration (OneDrive, Google Drive, etc.)


### Serviin

[App page](https://appshunter.io/ios/app/serviin/id1553233223)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is PDF Reader free?

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

### Is Serviin free?

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

### Do PDF Reader or Serviin have ads?

Neither PDF Reader nor Serviin shows ads.

### Which is updated more often, PDF Reader or Serviin?

PDF Reader ships an update every 2 months, and Serviin every 2 months. Most recently, PDF Reader was updated on September 28, 2026 and Serviin on September 11, 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.*