# Project Plan 365 vs Security Browser for M365

The clearest difference is in-app purchases: Security Browser for M365 at none against Project Plan 365's 1. On price, update cadence, ads and device support there is nothing between them.

Both are free to download. Project Plan 365 sells 1 in-app purchase, starting at $129.99 per year. Security Browser for M365 asks for nothing beyond the download.

Both ship on a similar rhythm, roughly every 2 months. The most recent releases landed on September 6, 2026 and September 21, 2026 respectively.

## The numbers

| Metric | Project Plan 365 | Security Browser for M365 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.3 (41 ratings)](https://appshunter.io/ios/app/project-plan-365/id742239541/reviews)** | — |
| Number of ratings | **41** | — |
| Positive reviews | 20.8% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 2 months | Every 2 months |
| Monetization | Subscription | — |
| Size | 95 MB | 6 MB |
| Requires iOS | 15.0 | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 17+ |
| Developer | [Housatonic.com](https://appshunter.io/developer/463199298) | [SATERAITO OFFICE, INC.](https://appshunter.io/developer/586123809) |

## What reviewers say

### Project Plan 365

[App page](https://appshunter.io/ios/app/project-plan-365/id742239541)

This app offers robust project planning and collaboration features for individuals and teams. It allows users to view, edit, and create Microsoft Project files on iOS devices, supporting various standard views and reports. Seamlessly integrate with cloud storage for easy access and sharing.

**Highlights:** MS Project file compatibility (MPP), Project planning and collaboration, Supports standard MS Project views, Cloud storage integration, Create and edit project plans, Critical path analysis and reports

**Features:** Vision Pro support

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Complete Editor | $129.99 | per year |


### Security Browser for M365

[App page](https://appshunter.io/ios/app/security-browser-for-m365/id968575363)

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

**In-app purchases:** none


## Frequently asked questions

### Is Project Plan 365 free?

Project Plan 365 is free to download, with in-app purchases available.

### Is Security Browser for M365 free?

Security Browser for M365 is free to download, with no in-app purchases.

### Do Project Plan 365 or Security Browser for M365 have ads?

Neither Project Plan 365 nor Security Browser for M365 shows ads.

### Which is updated more often, Project Plan 365 or Security Browser for M365?

Project Plan 365 ships an update every 2 months, and Security Browser for M365 every 2 months. Most recently, Project Plan 365 was updated on September 6, 2026 and Security Browser for M365 on September 21, 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.*