# Tiff Viewer vs XML Viewer Converter JSON PDF

The clearest difference is monetization model: Tiff Viewer at free with in-app purchases against XML Viewer Converter JSON PDF's subscription. Tiff Viewer also leads on review sentiment (36% vs 3%) and rating (4.5 vs 4.1). XML Viewer Converter JSON PDF's advantage is update cadence (fortnightly vs every 4 months). On price, ratings volume, ads and in-app purchases there is nothing between them.

Both are free to download. Tiff Viewer sells 2 one-off in-app purchases and XML Viewer Converter JSON PDF sells 4 in-app purchases, starting at $11.99 per month. Whichever you choose, the download price is not the number that matters.

Tiff Viewer holds the better App Store score, 4.5 against 4.1. Both are backed by a comparable volume of ratings — 212 and 122 respectively. Written reviews point the same way: 36% of Tiff Viewer's written reviews are positive against 3% of XML Viewer Converter JSON PDF's.

Tiff Viewer ships an update every 4 months, XML Viewer Converter JSON PDF fortnightly. The most recent releases landed on October 22, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | Tiff Viewer | XML Viewer Converter JSON PDF |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.5 (212 ratings)](https://appshunter.io/ios/app/tiff-viewer/id1214762973/reviews)** | [4.1 (122 ratings)](https://appshunter.io/ios/app/xml-viewer-converter-json-pdf/id1641792040/reviews) |
| Number of ratings | **212** | 122 |
| Positive reviews | **36.4% of reviews** | 2.8% of reviews |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 4 months | **Fortnightly** |
| Monetization | **Free with in-app purchases** | Subscription |
| Size | 2 MB | 51 MB |
| Requires iOS | **11.0** | 14.0.0 |
| Devices | iPhone, iPad, iPod | **iPhone, iPad, iPod, Mac** |
| Age rating | 4+ | +4 |
| Developer | [磊 马](https://appshunter.io/developer/1175878537) | [NEURASYNC](https://appshunter.io/developer/1639101560) |

## What reviewers say

### Tiff Viewer

[App page](https://appshunter.io/ios/app/tiff-viewer/id1214762973)

Easily view and manage TIFF files on your device. Import images via Wi-Fi or from other applications, and convert them into PDF format for convenient sharing and archiving.

**Highlights:** TIFF file reader, Import via Wi-Fi, Import from other apps, Convert TIFF to PDF, Export PDF files

**Features:** macOS Compatibility

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| tiff points | $0.99 | one-time |
| Tiff Pro | $4.99 | one-time |


### XML Viewer Converter JSON PDF

[App page](https://appshunter.io/ios/app/xml-viewer-converter-json-pdf/id1641792040)

This app allows you to view, edit, convert, and validate XML files. It offers AI-powered XML code generation and converts files to PDF and JSON. Enjoy a user-friendly interface and flexible subscription options.

**Highlights:** View, edit, and save XML files, Convert XML to PDF and JSON, AI-powered XML code generation, Built-in XML validator, User-friendly interface

**Features:** Vision Pro support

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pro Access (Monthly) | $11.99 | per month |
| Pro Access (Annual) | $12.99 | per year |
| XML Lifetime Discount | $4.99 | one-time |
| XML Lifetime Premium Access | $7.99 | one-time |


## Frequently asked questions

### Is Tiff Viewer free?

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

### Is XML Viewer Converter JSON PDF free?

XML Viewer Converter JSON PDF is free to download, with in-app purchases available.

### Which has better reviews, Tiff Viewer or XML Viewer Converter JSON PDF?

Tiff Viewer is rated higher. Tiff Viewer averages 4.5 out of 5 from 212 ratings, while XML Viewer Converter JSON PDF averages 4.1 from 122 ratings.

### Do Tiff Viewer or XML Viewer Converter JSON PDF have ads?

Neither Tiff Viewer nor XML Viewer Converter JSON PDF shows ads.

### Which is updated more often, Tiff Viewer or XML Viewer Converter JSON PDF?

Tiff Viewer ships an update every 4 months, and XML Viewer Converter JSON PDF fortnightly. Most recently, Tiff Viewer was updated on October 22, 2026 and XML Viewer Converter JSON PDF 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.*