# TaskTask for Outlook Tasks vs Dey AI Calendar

The clearest difference is review sentiment: Dey AI Calendar at 73% against TaskTask for Outlook Tasks's 49%. Dey AI Calendar also leads on rating (4.7 vs 4.5) and update cadence (weekly vs every 3 weeks). TaskTask for Outlook Tasks's advantage is ratings volume (1.1K vs 18) and device support (3 vs 1). On price, ads, in-app purchases and monetization model there is nothing between them.

Both are free to download. TaskTask for Outlook Tasks sells 1 one-off in-app purchase and Dey AI Calendar sells 2 in-app purchases, starting at $2.99 per month. Whichever you choose, the download price is not the number that matters.

Dey AI Calendar holds the better App Store score, 4.7 against 4.5. That said, the two scores are not equally well evidenced: TaskTask for Outlook Tasks has 1.1K ratings behind it against 18, so its average is the more settled of the two. Written reviews point the same way: 49% of TaskTask for Outlook Tasks's written reviews are positive against 73% of Dey AI Calendar's.

TaskTask for Outlook Tasks ships an update every 3 weeks, Dey AI Calendar weekly. The most recent releases landed on October 22, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | TaskTask for Outlook Tasks | Dey AI Calendar |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.5 (1.1K ratings)](https://appshunter.io/ios/app/tasktask-for-outlook-tasks/id315815749/reviews) | **[4.7 (18 ratings)](https://appshunter.io/ios/app/dey-ai-calendar/id1588981390/reviews)** |
| Number of ratings | **1.1K** | 18 |
| Positive reviews | 48.5% of reviews | **73.3% of reviews** |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 3 weeks | **Weekly** |
| Monetization | Free with in-app purchases | Freemium |
| Size | 16 MB | 39 MB |
| Requires iOS | **11.0** | 26.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [TaskTask LLC](https://appshunter.io/developer/315815752) | [Juan Williman](https://appshunter.io/developer/1588981392) |

## What reviewers say

### TaskTask for Outlook Tasks

[App page](https://appshunter.io/ios/app/tasktask-for-outlook-tasks/id315815749)

Manage your Outlook or Gmail tasks directly on your iPhone. This app syncs your entire task list, including advanced properties and flagged emails, with your Office 365, Exchange, or Google accounts. It offers robust task management features for on-the-go productivity.

**Highlights:** Sync Outlook/Gmail tasks, Manage task attributes, Set reminders and due dates, View flagged email items, Drag-to-order tasks, Recurring tasks, View and attach files

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| More Outlook Properties | $0.99 | one-time |

**What reviewers like**

- 🚀 Syncs well with Outlook/Exchange
- 👍 Familiar Outlook task functionality
- 🚀 Easy to set up
- 👍 Effective for GTD/task management

**What reviewers complain about**

- 🐛 Sync issues, especially with Office 365/newer Exchange versions
- 🐛 Crashes, bugs, and stability problems
- 🐛 Limited sorting/filtering options
- 🐛 Lack of support/updates from developer

**Reported bugs**

- Sync issues with Office 365 and Exchange 2016+
- Crashes when completing recurring tasks
- Categories and colors disappearing after sync
- Incorrect due date/overdue task display

**Requested features**

- Add location-based reminders
- Improve recurring task handling
- Allow attaching files/emails to tasks
- Enhance sorting and filtering options
- Improve iPhone X/iOS 13 compatibility


### Dey AI Calendar

[App page](https://appshunter.io/ios/app/dey-ai-calendar/id1588981390)

Organize your schedule with a minimalist calendar and planner. Features include AI event creation, free time visualization, and integrated directions. Keep your life streamlined and secure with this intuitive daily planner.

**Highlights:** AI event creation with natural language, Timeline view for daily schedule, Free time overview and availability sharing, Integrated directions and transport options, Profile separation for different activities, Birthday tracking, Security with Touch ID/Face ID

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Dey+ Monthly | $2.99 | per month |
| Dey+ Yearly | $29.99 | per year |


## Frequently asked questions

### Is TaskTask for Outlook Tasks free?

TaskTask for Outlook Tasks is free to download, with in-app purchases available.

### Is Dey AI Calendar free?

Dey AI Calendar is free to download, with in-app purchases available.

### Which has better reviews, TaskTask for Outlook Tasks or Dey AI Calendar?

Dey AI Calendar is rated higher. TaskTask for Outlook Tasks averages 4.5 out of 5 from 1.1K ratings, while Dey AI Calendar averages 4.7 from 18 ratings.

### Do TaskTask for Outlook Tasks or Dey AI Calendar have ads?

Neither TaskTask for Outlook Tasks nor Dey AI Calendar shows ads.

### Which is updated more often, TaskTask for Outlook Tasks or Dey AI Calendar?

TaskTask for Outlook Tasks ships an update every 3 weeks, and Dey AI Calendar weekly. Most recently, TaskTask for Outlook Tasks was updated on October 22, 2026 and Dey AI Calendar 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.*