# Microsoft Outlook vs UltiMI RT 2.0

The clearest difference is in-app purchases: UltiMI RT 2.0 at none against Microsoft Outlook's 4. UltiMI RT 2.0 also leads on ads (none vs shown) and iOS requirement (12.0 vs 26.0). Microsoft Outlook's advantage is update cadence (weekly vs every 5 weeks) and chart position (#13 vs unranked). On price there is nothing between them.

Both are free to download. Microsoft Outlook sells 4 in-app purchases, starting at $1.99 per month. UltiMI RT 2.0 asks for nothing beyond the download.

Microsoft Outlook ships an update weekly, UltiMI RT 2.0 every 5 weeks. The most recent releases landed on October 27, 2026 and October 12, 2026 respectively.

## The numbers

| Metric | Microsoft Outlook | UltiMI RT 2.0 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.8 (9.4M ratings)](https://appshunter.io/ios/app/microsoft-outlook/id951937596/reviews)** | — |
| Number of ratings | **9.4M** | — |
| Positive reviews | 64.6% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | **Weekly** | Every 5 weeks |
| Monetization | Free with in-app purchases | — |
| Best chart rank | **#13** | — |
| Size | 476 MB | 25 MB |
| Requires iOS | 26.0 | **12.0** |
| Devices | **iPhone, iPad, Apple Watch** | iPad |
| Age rating | 4+ | 17+ |
| Developer | [Microsoft Corporation](https://appshunter.io/developer/298856275) | [Koerber Technologies SpA](https://appshunter.io/developer/938061707) |

## What reviewers say

### Microsoft Outlook

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

**Currently charting:** #13 Top Free · Productivity, #28 Top Grossing · Productivity, #105 Top Free (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, iPhone Duo 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


### UltiMI RT 2.0

[App page](https://appshunter.io/ios/app/ultimi-rt-20/id1503341543)

**In-app purchases:** none


## Frequently asked questions

### Is Microsoft Outlook free?

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

### Is UltiMI RT 2.0 free?

UltiMI RT 2.0 is free to download, with no in-app purchases.

### Do Microsoft Outlook or UltiMI RT 2.0 have ads?

Microsoft Outlook shows ads; UltiMI RT 2.0 does not.

### Which is updated more often, Microsoft Outlook or UltiMI RT 2.0?

Microsoft Outlook ships an update weekly, and UltiMI RT 2.0 every 5 weeks. Most recently, Microsoft Outlook was updated on October 27, 2026 and UltiMI RT 2.0 on October 12, 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.*