# Microsoft Outlook vs IMP

The clearest difference is in-app purchases: IMP at none against Microsoft Outlook's 4. IMP also leads on ads (none vs shown) and iOS requirement (13.0 vs 26.0). Microsoft Outlook's advantage is update cadence (weekly vs every 4 months) and chart position (#12 vs unranked). 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. IMP asks for nothing beyond the download.

Microsoft Outlook ships an update weekly, IMP every 4 months. The most recent releases landed on September 30, 2026 and September 9, 2026 respectively.

## The numbers

| Metric | Microsoft Outlook | IMP |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.8 (9.3M ratings)](https://appshunter.io/ios/app/microsoft-outlook/id951937596/reviews)** | — |
| Number of ratings | **9.3M** | — |
| Positive reviews | 64.4% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | **Weekly** | Every 4 months |
| Monetization | Free with in-app purchases | — |
| Best chart rank | **#12** | — |
| Size | 466 MB | 47 MB |
| Requires iOS | 26.0 | **13.0** |
| Devices | iPhone, iPad, Apple Watch | iPhone, iPad, iPod |
| Age rating | 4+ | 17+ |
| Developer | [Microsoft Corporation](https://appshunter.io/developer/298856275) | [Digital Mobility Inc.](https://appshunter.io/developer/1682120087) |

## What reviewers say

### Microsoft Outlook

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

**Currently charting:** #12 Top Free · Productivity, #29 Top Grossing · Productivity, #92 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

**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


### IMP

[App page](https://appshunter.io/ios/app/imp-mps/id6447648093)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Microsoft Outlook free?

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

### Is IMP free?

IMP is free to download, with no in-app purchases.

### Do Microsoft Outlook or IMP have ads?

Microsoft Outlook shows ads; IMP does not.

### Which is updated more often, Microsoft Outlook or IMP?

Microsoft Outlook ships an update weekly, and IMP every 4 months. Most recently, Microsoft Outlook was updated on September 30, 2026 and IMP on September 9, 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.*