# TaskTask for Outlook Tasks vs 1Contact Pro

The clearest difference is price: TaskTask for Outlook Tasks at Free against 1Contact Pro's $1.99. TaskTask for Outlook Tasks also leads on ratings volume (1.1K vs 363) and iOS requirement (11.0 vs 17.6). 1Contact Pro's advantage is in-app purchases (none vs 1). On rating, review sentiment, update cadence and ads there is nothing between them.

TaskTask for Outlook Tasks is free to download; 1Contact Pro costs $1.99 up front. TaskTask for Outlook Tasks sells 1 one-off in-app purchase. 1Contact Pro asks for nothing beyond the download.

On the App Store both sit at effectively the same score — 4.5 for TaskTask for Outlook Tasks against 4.5 for 1Contact Pro. Both are backed by a comparable volume of ratings — 1.1K and 363 respectively. Written reviews are what separate them: 49% of TaskTask for Outlook Tasks's written reviews are positive against 50% of 1Contact Pro's.

TaskTask for Outlook Tasks ships an update every 3 weeks, 1Contact Pro monthly. The most recent releases landed on October 22, 2026 and October 26, 2026 respectively.

## The numbers

| Metric | TaskTask for Outlook Tasks | 1Contact Pro |
| --- | --- | --- |
| Price | **Free** | $1.99 |
| Rating | **[4.5 (1.1K ratings)](https://appshunter.io/ios/app/tasktask-for-outlook-tasks/id315815749/reviews)** | [4.5 (363 ratings)](https://appshunter.io/ios/app/1contact-pro-clean-and-backup/id1441863446/reviews) |
| Number of ratings | **1.1K** | 363 |
| Positive reviews | 48.5% of reviews | **50.0% of reviews** |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 3 weeks** | Monthly |
| Monetization | Free with in-app purchases | **Free** |
| Size | 16 MB | 45 MB |
| Requires iOS | **11.0** | 17.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [TaskTask LLC](https://appshunter.io/developer/315815752) | [Roxwin Vietnam Technologies Company Limited](https://appshunter.io/developer/1077249023) |

## 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


### 1Contact Pro

[App page](https://appshunter.io/ios/app/1contact-pro-clean-and-backup/id1441863446)

Organize, clean, and back up your contacts with this smart manager. Features AI-powered duplicate detection, secure cloud backups, and easy sharing options. Ideal for professionals and individuals seeking an efficient address book solution.

**Highlights:** AI-powered duplicate detection and merging, Secure local and cloud backups, Contact cleaning and optimization, Business card scanner with OCR, Bulk contact sharing and export, Birthday and anniversary reminders

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

**In-app purchases:** none

**What reviewers like**

- 👍 Useful for managing contacts
- 🚀 Quick and easy duplicate merging
- 💰 Great value, one-time purchase
- 🌟 Excellent customer support
- ⏱️ Time saver for contact management

**What reviewers complain about**

- 💥 App crashes frequently
- 📉 Significant lag and freezing
- ❌ Data loss (contacts deleted)
- ❓ Incomprehensible interface (no Chinese)
- 🚫 Full-screen ads in Pro version

**Reported bugs**

- App crashes when merging duplicates
- App lags and stops loading at duplicate contact section
- Backup not working correctly, only sends one name
- Korean names appear incorrectly
- App crashes when searching for duplicates

**Requested features**

- Add Arabic language support
- Include a dialer in the app
- Add call log history


## Frequently asked questions

### Is TaskTask for Outlook Tasks free?

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

### Is 1Contact Pro free?

1Contact Pro costs $1.99, with no in-app purchases.

### Which has better reviews, TaskTask for Outlook Tasks or 1Contact Pro?

TaskTask for Outlook Tasks is rated higher. TaskTask for Outlook Tasks averages 4.5 out of 5 from 1.1K ratings, while 1Contact Pro averages 4.5 from 363 ratings.

### Do TaskTask for Outlook Tasks or 1Contact Pro have ads?

Neither TaskTask for Outlook Tasks nor 1Contact Pro shows ads.

### Which is updated more often, TaskTask for Outlook Tasks or 1Contact Pro?

TaskTask for Outlook Tasks ships an update every 3 weeks, and 1Contact Pro monthly. Most recently, TaskTask for Outlook Tasks was updated on October 22, 2026 and 1Contact Pro on October 26, 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.*