# DidoTranslator vs QuarkPDF

The clearest difference is rating: QuarkPDF at 5.0 against DidoTranslator's 4.2. QuarkPDF also leads on in-app purchases (none vs 3) and iOS requirement (13.0 vs 15.6). DidoTranslator's advantage is update cadence (every 3 weeks vs every 4 months) and ratings volume (48 vs 5). On price, ads and device support there is nothing between them.

Both are free to download. DidoTranslator sells 3 in-app purchases, starting at $2.99 per 7 days. QuarkPDF asks for nothing beyond the download.

QuarkPDF holds the better App Store score, 5.0 against 4.2. That said, the two scores are not equally well evidenced: DidoTranslator has 48 ratings behind it against 5, so its average is the more settled of the two.

DidoTranslator ships an update every 3 weeks, QuarkPDF every 4 months. The most recent releases landed on November 3, 2026 and November 4, 2026 respectively.

## The numbers

| Metric | DidoTranslator | QuarkPDF |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.2 (48 ratings)](https://appshunter.io/ios/app/didotranslator-universal-trans/id6470351331/reviews) | **[5.0 (5 ratings)](https://appshunter.io/ios/app/quarkpdf/id6742776498/reviews)** |
| Number of ratings | **48** | 5 |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 3 weeks** | Every 4 months |
| Monetization | Free with in-app purchases | **Free** |
| Size | 74 MB | 39 MB |
| Requires iOS | 15.6 | **13.0** |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Flaming Network Technology Limited](https://appshunter.io/developer/1689022320) | [Beya Network Technology Limited](https://appshunter.io/developer/1702838438) |

## What reviewers say

### DidoTranslator

[App page](https://appshunter.io/ios/app/didotranslator-universal-trans/id6470351331)

Translate text, speech, and images across numerous languages in real-time. This tool offers seamless communication for travel, business, and cultural exploration with a user-friendly interface. It leverages advanced machine learning for accurate translations.

**Highlights:** Real-time translation, Text, speech, and image translation, Extensive language coverage, User-friendly interface, Machine learning algorithms, Auto-renewable subscriptions

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Dido Translator Premium | $2.99 | per 7 days |
| Dido Translator Premium | $9.99 | per month |
| Dido Translator Premium | $39.99 | per year |


### QuarkPDF

[App page](https://appshunter.io/ios/app/quarkpdf/id6742776498)

Easily manage PDF files with tools to merge, split, convert to images, and optimize scanned documents. Streamline your workflow with a simple interface for efficient document processing.

**Highlights:** Merge multiple PDF files, Split PDFs into separate pages, Convert PDF to image format, Optimize scanned documents, Easy-to-use interface

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

**In-app purchases:** none


## Frequently asked questions

### Is DidoTranslator free?

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

### Is QuarkPDF free?

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

### Which has better reviews, DidoTranslator or QuarkPDF?

QuarkPDF is rated higher. DidoTranslator averages 4.2 out of 5 from 48 ratings, while QuarkPDF averages 5.0 from 5 ratings.

### Do DidoTranslator or QuarkPDF have ads?

Neither DidoTranslator nor QuarkPDF shows ads.

### Which is updated more often, DidoTranslator or QuarkPDF?

DidoTranslator ships an update every 3 weeks, and QuarkPDF every 4 months. Most recently, DidoTranslator was updated on November 3, 2026 and QuarkPDF on November 4, 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.*