Microsoft Outlook for iOS
Official Microsoft Outlook app designed for iPhone and iPad
Postmark
Email for web applications
Updated February 2026
| Microsoft Outlook for iOS | Postmark | |
|---|---|---|
| Rating | 4.4★ | 5.0★ |
| Reviews | 8 | 17 |
| Pros | 10 | 9 |
| FactScore™ | 41.8 | 62.8 |
FactScore™ Comparison
FactScore™ weighs both quality (rating) and popularity (reviews) for a fairer ranking than stars alone.
Pros & Cons
Only in Microsoft Outlook for iOS — Pros
Organization tools Email and calendar features Calendar integration Improved search function Integration with Microsoft 365 Calendar reminders Color coding messages Intelligent email Reliable team communication Sync across devicesBoth tools — Pros
—Only in Postmark — Pros
Reliable email delivery Fast performance Human support Transactional email Affordable pricing Email templates Excellent documentation Simple API Spam filterOnly in Microsoft Outlook for iOS — Cons
Cluttered interface Default reply-all Lags with large inboxes Outdated interface Syncing delaysBoth tools — Cons
—Only in Postmark — Cons
—Details
| Microsoft Outlook for iOS | Postmark | |
|---|---|---|
| Categories | Email clients, Mobile editing apps | Email clients, Email marketing |
| Platforms | Web · iOS | Web · iOS |
| Became Popular | January 29, 2015 | July 23, 2014 |
| Website | itunes.apple.com | postmarkapp.com |
Who Should Pick Which?
Choose Microsoft Outlook for iOS if...
- Organization tools
- Email and calendar features
- Calendar integration
Choose Postmark if...
- Reliable email delivery
- Fast performance
- Human support
With a FactScore™ of 41.8 vs 62.8, Postmark leads in community reception. Microsoft Outlook for iOS uniquely offers Organization tools and Email and calendar features, while Postmark stands out for Reliable email delivery and Fast performance.
What Users Say
Microsoft Outlook for iOS
Great product
Outlook offers robust email and calendar features, making it great for professional use. Integration with Microsoft 365 is seamless, and organization tools are strong. However, the interface can fe...
I find Outlook reliable for team communication. I review my inbox each morning and flag urgent items. I personally color code messages to stay organized. Sometimes syncing across mobile devices tak...
Postmark
We use Postmark to send emails and manage newsletters directly from BlogBowl. Big thanks to Postmark for their reliable API and top-notch deliverability, which makes sure your newsletters actually ...
We use Postmark not only for our emails, but also to power Ply's built-in dynamic email capabilities. It's reliable, well documented and most of all - comes with awesome human support.
Once you get familiar with Postmark's layouts and templates, the service is great for quickly creating email templates and sending them out using their simple API. The UI is simple and intuitive.
Related Comparisons
Frequently Asked Questions
Which is better, Microsoft Outlook for iOS or Postmark?
Based on FactScore™, Postmark leads with a score of 62.8 vs 41.8. Postmark has a higher rating of 5.0★ compared to 4.4★.
What are the pros of Microsoft Outlook for iOS compared to Postmark?
Microsoft Outlook for iOS uniquely offers: Organization tools, Email and calendar features, Calendar integration, Improved search function, Integration with Microsoft 365.
What are the pros of Postmark compared to Microsoft Outlook for iOS?
Postmark uniquely offers: Reliable email delivery, Fast performance, Human support, Transactional email, Affordable pricing.
Is Microsoft Outlook for iOS better rated than Postmark?
Microsoft Outlook for iOS is rated 4.4★ from 8 reviews. Postmark is rated 5.0★ from 17 reviews.
What is the FactScore™ of Microsoft Outlook for iOS and Postmark?
FactScore™ weighs rating and review volume together. Microsoft Outlook for iOS scores 41.8 and Postmark scores 62.8.
Don't Get Fooled by Fake Social Media Videos
The world's first fact checker for social media. Paste any link and get an instant credibility score with sources.
Try FactCheckTool Free