# Microsoft Outlook vs UOL Mail Pro

The clearest difference is rating: Microsoft Outlook at 4.8 against UOL Mail Pro's 3.5. Microsoft Outlook also leads on review sentiment (64% vs 38%) and ratings volume (9.3M vs 31). UOL Mail Pro's advantage is in-app purchases (none vs 4) and ads (none vs shown). On price and device support there is nothing between them.

Both are free to download. Microsoft Outlook sells 4 in-app purchases, starting at $1.99 per month. UOL Mail Pro asks for nothing beyond the download.

Microsoft Outlook holds the better App Store score, 4.8 against 3.5. That said, the two scores are not equally well evidenced: Microsoft Outlook has 9.3M ratings behind it against 31, so its average is the more settled of the two. Written reviews point the same way: 64% of Microsoft Outlook's written reviews are positive against 38% of UOL Mail Pro's.

Microsoft Outlook ships an update weekly, UOL Mail Pro every 4 weeks. The most recent releases landed on September 28, 2026 and September 23, 2026 respectively.

## The numbers

| Metric | Microsoft Outlook | UOL Mail Pro |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.8 (9.3M ratings)](https://appshunter.io/ios/app/microsoft-outlook/id951937596/reviews)** | [3.5 (31 ratings)](https://appshunter.io/ios/app/uol-mail-pro/id1372865834/reviews) |
| Number of ratings | **9.3M** | 31 |
| Positive reviews | **64.4% of reviews** | 38.5% of reviews |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | **Weekly** | Every 4 weeks |
| Monetization | Free with in-app purchases | **Free** |
| Best chart rank | **#17** | — |
| Size | 464 MB | 57 MB |
| Requires iOS | 26.0 | **13.0** |
| Devices | **iPhone, iPad, Apple Watch** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Microsoft Corporation](https://appshunter.io/developer/298856275) | [UOL Inc.](https://appshunter.io/developer/440898836) |

## What reviewers say

### Microsoft Outlook

[App page](https://appshunter.io/ios/app/microsoft-outlook/id951937596)

**Currently charting:** #17 Top Free · Productivity, #28 Top Grossing · Productivity (US App Store)

Consolidate all your email accounts and calendars into one streamlined application. Manage your inbox, schedule meetings, and access files from various cloud services. Enhance productivity with AI-powered writing assistance and smart inbox features.

**Highlights:** Unified inbox for multiple email accounts, Smart inbox sorting, Quick swipe actions, Meeting scheduling and availability sharing, File access from cloud storage, AI-powered email summarization and drafting, Editing of Office documents

**Features:** Siri integration, Apple Wallet, Apple Watch app, Vision Pro support

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Microsoft 365 Basic | $1.99 | per month |
| Microsoft 365 Personal | $9.99 | per month |
| Microsoft 365 Family | $12.99 | per month |
| Microsoft Copilot Pro | $20.00 | per month |

**What reviewers like**

- 🚀 Great for corporate email
- 👍 Customizable and user-friendly
- 🚀 Seamless integration with Microsoft 365
- 👍 Solid email and calendar functionality

**What reviewers complain about**

- 🐛 Buggy and unstable at times
- 🔋 High battery consumption
- 🔒 Security issues with password resets
- 👎 Limited file attachment options

**Reported bugs**

- Frequent crashes when adding accounts
- Delayed email notifications and syncing issues
- Inability to delete emails in bulk
- Calendar reminders not working as expected

**Requested features**

- Dark mode option
- Improved search and filtering capabilities
- Better integration with native iOS apps and services
- Enhanced calendar management features


### UOL Mail Pro

[App page](https://appshunter.io/ios/app/uol-mail-pro/id1372865834)

Manage your professional emails efficiently with this application. It offers a modern interface, supports various file types, and integrates with other services. Perform multiple operations, undo actions, and manage contacts seamlessly.

**Highlights:** Modern and intelligent interface, Supports any file type, Integration with apps and services, Send emails to phone contacts, Multi-email operations, Undo operations, Swipe to delete emails

**In-app purchases:** none


## Frequently asked questions

### Is Microsoft Outlook free?

Microsoft Outlook is free to download, with in-app purchases available.

### Is UOL Mail Pro free?

UOL Mail Pro is free to download, with no in-app purchases.

### Which has better reviews, Microsoft Outlook or UOL Mail Pro?

Microsoft Outlook is rated higher. Microsoft Outlook averages 4.8 out of 5 from 9.3M ratings, while UOL Mail Pro averages 3.5 from 31 ratings.

### Do Microsoft Outlook or UOL Mail Pro have ads?

Microsoft Outlook shows ads; UOL Mail Pro does not.

### Which is updated more often, Microsoft Outlook or UOL Mail Pro?

Microsoft Outlook ships an update weekly, and UOL Mail Pro every 4 weeks. Most recently, Microsoft Outlook was updated on September 28, 2026 and UOL Mail Pro on September 23, 2026.

---

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