One Tasks vs PdfX
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
One Tasks
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.
- 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
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Stay on top of every task, anywhere. Seamlessly manage your to-do lists with the app trusted by millions — complete with subtasks, due dates, reminders, and handy widgets. Sync effortlessly with Google Tasks, Outlook, Office 365, iCloud Reminders, and One Calendar. Prefer more control? The app also integrates with any 3rd-party CalDAV providers, giving you full ownership of your data.
PdfX
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.
- 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
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PdfX.app is a new app, that allows you to convert PDF into a variety of formats, edit PDF, split PDF, combine PDF and much more! You can upload any document in PDF format, no technical knowledge is needed, and the website will automatically convert it's content into the format you desire. Plus, you can edit the PDF pages, rotate them, split them, combine it with other and more! Packaged with features, to manager every PDF management need: -> Merge with another PDF file at any page point. -> Split into several documents, with no problem -> Rotate up to 360 degrees any page -> Convert from and to up to 5 different formats -> Supporting Microsoft Word, JPG, PNG, HTML, TXT conversion formats Convert and edit your PDF, for FREE, NOW!
Screenshots
Verdict
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.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
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.
| Parameter | One Tasks | PdfX |
|---|---|---|
| Price | Free | Free |
| Rating | 4.8 (277 ratings) — better | 2.0 (4 ratings) |
| Positive reviews | 90.9% of reviews | — |
| Number of ratings | 277 — better | 4 |
| Update frequency | Monthly | Every 2 weeks — better |
| Ads | No — better | Yes |
| In-app purchases | No | No |
| Monetization | Free — better | Ad-supported |
| Devices | iPhone, iPad, iPod, Mac — better | iPhone, iPad, iPod |
| Requires iOS | 15.0 | 11.0 — better |
| Further details — not scored | ||
| Size | 61 MB | 38 MB |
| Age rating | 12+ | 4+ |
| Developer | Code Spark | Ipsilon Developments Inc |
Customer experience
One Tasks
PdfX
In-app purchases
One Tasks
No in-app purchases
PdfX
No in-app purchases
