# TIFF Viewer vs Uyap Udf Editor

The clearest difference is rating: Uyap Udf Editor at 5.0 against TIFF Viewer's 4.0. On price, ratings volume, update cadence and ads there is nothing between them.

Both are free to download. TIFF Viewer sells 1 one-off in-app purchase and Uyap Udf Editor sells 2 in-app purchases, starting at $4.99 per month. Whichever you choose, the download price is not the number that matters.

Uyap Udf Editor holds the better App Store score, 5.0 against 4.0. Both are backed by a comparable volume of ratings — 1 and 1 respectively.

TIFF Viewer ships an update every 10 days, Uyap Udf Editor weekly. The most recent releases landed on July 20, 2026 and September 18, 2026 respectively.

## The numbers

| Metric | TIFF Viewer | Uyap Udf Editor |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.0 (1 ratings)](https://appshunter.io/ios/app/tiff-viewer/id6743369162/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/uyap-udf-editor/id6760574192/reviews)** |
| Number of ratings | 1 | 1 |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | Yes | Yes |
| Update frequency | Every 10 days | **Weekly** |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 5 MB | 976 MB |
| Requires iOS | **17.0** | 17.6 |
| Devices | **iPhone, iPad** | iPhone |
| Age rating | 4+ | 12+ |
| Developer | [Ismail Carlik](https://appshunter.io/developer/1748163338) | [osman Yildiz](https://appshunter.io/developer/1879592362) |

## What reviewers say

### TIFF Viewer

[App page](https://appshunter.io/ios/app/tiff-viewer/id6743369162)

Easily open and view multi-page TIFF images and documents. Convert your TIFF files to PDF format with a single click for convenient sharing and archiving. Experience high-fidelity rendering and smooth navigation through your files.

**Highlights:** Multi-page TIFF support, One-click PDF conversion, High-fidelity image rendering, Smooth zoom and pan, Simple user interface, Fast and stable performance

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium | $0.99 | one-time |


### Uyap Udf Editor

[App page](https://appshunter.io/ios/app/uyap-udf-editor/id6760574192)

Easily view and manage official documents with the .UDF extension on your mobile device. Convert these files to PDF, access legal texts offline, and organize your documents securely.

**Highlights:** Open and view .UDF files, Convert UDF to PDF, Offline access to legal texts, Organize documents into folders, Secure and private processing, Fast sharing of converted documents

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| UDF Premium Sinirsiz Erisim Aylik | $4.99 | per month |
| UDF Premium Sinirsiz Erisim Yillik | $29.99 | per year |


## Frequently asked questions

### Is TIFF Viewer free?

TIFF Viewer is free to download, with in-app purchases available.

### Is Uyap Udf Editor free?

Uyap Udf Editor is free to download, with in-app purchases available.

### Which has better reviews, TIFF Viewer or Uyap Udf Editor?

Uyap Udf Editor is rated higher. TIFF Viewer averages 4.0 out of 5 from 1 ratings, while Uyap Udf Editor averages 5.0 from 1 ratings.

### Do TIFF Viewer or Uyap Udf Editor have ads?

Both TIFF Viewer and Uyap Udf Editor show ads.

### Which is updated more often, TIFF Viewer or Uyap Udf Editor?

TIFF Viewer ships an update every 10 days, and Uyap Udf Editor weekly. Most recently, TIFF Viewer was updated on July 20, 2026 and Uyap Udf Editor on September 18, 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.*