# Microsoft Loop vs Viewer by SEPPmail

The clearest difference is rating: Microsoft Loop at 4.6 against Viewer by SEPPmail's 1.0. Microsoft Loop also leads on update cadence (monthly vs every 13 months) and ratings volume (4.9K vs 1). Viewer by SEPPmail's advantage is in-app purchases (none vs 4) and iOS requirement (12.4 vs 18.0). On price, ads and device support there is nothing between them.

Both are free to download. Microsoft Loop sells 4 in-app purchases, starting at $9.99 per month. Viewer by SEPPmail asks for nothing beyond the download.

Microsoft Loop holds the better App Store score, 4.6 against 1.0. That said, the two scores are not equally well evidenced: Microsoft Loop has 4.9K ratings behind it against 1, so its average is the more settled of the two. Written reviews point the same way: 21% of Microsoft Loop's written reviews are positive against 0% of Viewer by SEPPmail's.

Microsoft Loop ships an update monthly, Viewer by SEPPmail every 13 months. The most recent releases landed on September 30, 2026 and August 24, 2026 respectively.

## The numbers

| Metric | Microsoft Loop | Viewer by SEPPmail |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.6 (4.9K ratings)](https://appshunter.io/ios/app/microsoft-loop/id1637682491/reviews)** | [1.0 (1 ratings)](https://appshunter.io/ios/app/viewer-by-seppmail/id6446402452/reviews) |
| Number of ratings | **4.9K** | 1 |
| Positive reviews | **20.7% of reviews** | 0.0% of reviews |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Monthly** | Every 13 months |
| Monetization | Free with in-app purchases | **Free** |
| Size | 165 MB | 19 MB |
| Requires iOS | 18.0 | **12.4** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Microsoft Corporation](https://appshunter.io/developer/298856275) | [SEPPmail AG](https://appshunter.io/developer/586785754) |

## What reviewers say

### Microsoft Loop

[App page](https://appshunter.io/ios/app/microsoft-loop/id1637682491)

This app facilitates collaborative thinking, planning, and creation across devices. It brings together teams, content, and tasks, allowing users to capture ideas, manage projects, and communicate in real-time. Seamlessly integrate with existing tools for a unified workflow.

**Highlights:** Co-creation experience, Content and task management, Idea capture and task lists, Project workspace, Real-time commenting and reactions, Customizable notifications, Cross-Microsoft 365 component editing

**Features:** Vision Pro support

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Microsoft 365 Personal | $9.99 | per month |
| Microsoft 365 Family | $12.99 | per month |
| Microsoft 365 Personal | $99.99 | per year |
| Microsoft 365 Family | $129.99 | per year |

**What reviewers like**

- 🚀 Efficient and useful
- 👍 Clean and simple UI
- 💡 Great integration with Microsoft 365
- 🚀 Powerful collaboration features
- 👍 Promising app with potential

**What reviewers complain about**

- 🐛 Buggy and unstable
- 🔍 Limited functionality on mobile
- 🔍 Missing key features compared to desktop
- 🐛 Frequent crashes and sync issues
- 🔍 Unintuitive navigation and user experience

**Reported bugs**

- App crashes on certain workspaces
- Inability to save new content
- Formatting issues with code blocks
- Keyboard issues and cursor jumping
- Inconsistent theme and UI behavior

**Requested features**

- Ability to duplicate pages
- Improved handwriting and whiteboard support
- Export/copy to Word or PDF
- Offline functionality
- Better access management and guest collaboration


### Viewer by SEPPmail

[App page](https://appshunter.io/ios/app/viewer-by-seppmail/id6446402452)

This application allows you to receive, decrypt, and read secure emails with "secure-email.html" attachments. It is designed for users who have received encrypted messages sent via a SEPPmail Appliance.

**Highlights:** Receive encrypted emails, Decrypt secure attachments, Read secure email content, Supports SEPPmail Appliance encryption

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

**In-app purchases:** none


## Frequently asked questions

### Is Microsoft Loop free?

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

### Is Viewer by SEPPmail free?

Viewer by SEPPmail is free to download, with no in-app purchases.

### Which has better reviews, Microsoft Loop or Viewer by SEPPmail?

Microsoft Loop is rated higher. Microsoft Loop averages 4.6 out of 5 from 4.9K ratings, while Viewer by SEPPmail averages 1.0 from 1 ratings.

### Do Microsoft Loop or Viewer by SEPPmail have ads?

Neither Microsoft Loop nor Viewer by SEPPmail shows ads.

### Which is updated more often, Microsoft Loop or Viewer by SEPPmail?

Microsoft Loop ships an update monthly, and Viewer by SEPPmail every 13 months. Most recently, Microsoft Loop was updated on September 30, 2026 and Viewer by SEPPmail on August 24, 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.*