# One Tasks vs PdfX

The clearest difference is rating: One Tasks at 4.8 against PdfX's 2.0. One Tasks also leads on ads (none vs shown) and ratings volume (277 vs 4). PdfX's advantage is update cadence (every 2 weeks vs monthly) and iOS requirement (11.0 vs 15.0). On price, in-app purchases and device support there is nothing between them.

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

One Tasks holds the better App Store score, 4.8 against 2.0. That said, the two scores are not equally well evidenced: One Tasks has 277 ratings behind it against 4, so its average is the more settled of the two.

One Tasks ships an update monthly, PdfX every 2 weeks. The most recent releases landed on November 6, 2026 and November 3, 2026 respectively.

## The numbers

| Metric | One Tasks | PdfX |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.8 (277 ratings)](https://appshunter.io/ios/app/one-tasks/id1455000420/reviews)** | [2.0 (4 ratings)](https://appshunter.io/ios/app/pdfx/id1565422073/reviews) |
| Number of ratings | **277** | 4 |
| Positive reviews | 90.9% of reviews | — |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | Monthly | **Every 2 weeks** |
| Monetization | **Free** | Ad-supported |
| Size | 61 MB | 38 MB |
| Requires iOS | 15.0 | **11.0** |
| Devices | **iPhone, iPad, iPod, Mac** | iPhone, iPad, iPod |
| Age rating | 12+ | 4+ |
| Developer | [Code Spark](https://appshunter.io/developer/1238379384) | [Ipsilon Developments Inc](https://appshunter.io/developer/1003755058) |

## What reviewers say

### One Tasks

[App page](https://appshunter.io/ios/app/one-tasks/id1455000420)

Manage your to-do lists and tasks with a trusted application. Features include subtasks, due dates, reminders, and widgets. It syncs with popular services like Google Tasks and Outlook, and supports CalDAV for data ownership.

**Highlights:** Subtask management, Due dates and reminders, Widgets for quick access, Sync with Google Tasks, Outlook, Office 365, iCloud Reminders, CalDAV provider integration, Cross-device support

**Features:** Vision Pro support

**In-app purchases:** none


### PdfX

[App page](https://appshunter.io/ios/app/pdfx/id1565422073)

Easily convert PDF files to various formats, edit pages, merge documents, and split PDFs. This tool requires no technical knowledge to manage all your PDF needs.

**Highlights:** Convert PDF to 5 formats, Edit PDF pages, Merge PDF files, Split PDF into documents, Rotate pages up to 360 degrees, Supports Word, JPG, PNG, HTML, TXT

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is One Tasks free?

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

### Is PdfX free?

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

### Which has better reviews, One Tasks or PdfX?

One Tasks is rated higher. One Tasks averages 4.8 out of 5 from 277 ratings, while PdfX averages 2.0 from 4 ratings.

### Do One Tasks or PdfX have ads?

PdfX shows ads; One Tasks does not.

### Which is updated more often, One Tasks or PdfX?

One Tasks ships an update monthly, and PdfX every 2 weeks. Most recently, One Tasks was updated on November 6, 2026 and PdfX on November 3, 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.*