# One Tasks vs Calendar Pro+

The clearest difference is in-app purchases: One Tasks at none against Calendar Pro+'s 4. One Tasks also leads on ratings volume (257 vs 4) and device support (4 vs 2). Calendar Pro+'s advantage is update cadence (weekly vs every 4 weeks) and rating (5.0 vs 4.8). On price, ads and iOS requirement there is nothing between them.

Both are free to download. Calendar Pro+ sells 4 in-app purchases, starting at $0.99 per month. One Tasks asks for nothing beyond the download.

Calendar Pro+ holds the better App Store score, 5.0 against 4.8. That said, the two scores are not equally well evidenced: One Tasks has 257 ratings behind it against 4, so its average is the more settled of the two.

One Tasks ships an update every 4 weeks, Calendar Pro+ weekly. The most recent releases landed on September 21, 2026 and September 19, 2026 respectively.

## The numbers

| Metric | One Tasks | Calendar Pro+ |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.8 (257 ratings)](https://appshunter.io/ios/app/one-tasks/id1455000420/reviews) | **[5.0 (4 ratings)](https://appshunter.io/ios/app/calendar-pro-plus/id1613025207/reviews)** |
| Number of ratings | **257** | 4 |
| Positive reviews | 88.9% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 4 weeks | **Weekly** |
| Monetization | **Free** | Free with in-app purchases |
| Size | 60 MB | 51 MB |
| Requires iOS | **15.0** | 16.0 |
| Devices | **iPhone, iPad, iPod, Mac** | iPhone, iPad |
| Age rating | 12+ | 4+ |
| Developer | [Code Spark](https://appshunter.io/developer/1238379384) | [johnhair.com](https://appshunter.io/developer/534507614) |

## What reviewers say

### One Tasks

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

Organize your life with a powerful task manager that syncs across devices. Create detailed to-do lists with subtasks, set deadlines, and receive timely reminders. Leverage widgets for quick access and integrate with popular calendar and task services.

**Highlights:** Subtask creation, Due dates and reminders, Widget support, Google Tasks sync, Outlook/Office 365 sync, iCloud Reminders sync, CalDAV provider integration

**Features:** Vision Pro support

**In-app purchases:** none


### Calendar Pro+

[App page](https://appshunter.io/ios/app/calendar-pro-plus/id1613025207)

This app offers a streamlined and intuitive way to manage your schedule, tasks, and events. It features smart reminders, multiple calendar views, and color-coding to help you stay organized and focused on what matters.

**Highlights:** Streamlined design, Context-aware long press menus, Smart reminders, Multiple calendar views (Day, Week, Month, List, Year), Now and Next Home Screen widget, Color-coded calendars, Time-zone aware scheduling

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

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly Subscription | $0.99 | per month |
| Quarterly Subscription | $1.99 | per 3 months |
| Annual Subscription | $4.99 | per year |
| All Features, Forever | $9.99 | one-time |


## Frequently asked questions

### Is One Tasks free?

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

### Is Calendar Pro+ free?

Calendar Pro+ is free to download, with in-app purchases available.

### Which has better reviews, One Tasks or Calendar Pro+?

Calendar Pro+ is rated higher. One Tasks averages 4.8 out of 5 from 257 ratings, while Calendar Pro+ averages 5.0 from 4 ratings.

### Do One Tasks or Calendar Pro+ have ads?

Neither One Tasks nor Calendar Pro+ shows ads.

### Which is updated more often, One Tasks or Calendar Pro+?

One Tasks ships an update every 4 weeks, and Calendar Pro+ weekly. Most recently, One Tasks was updated on September 21, 2026 and Calendar Pro+ on September 19, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*