# OpenProject vs MBOX To PST

The clearest difference is in-app purchases: OpenProject at none against MBOX To PST's 3. MBOX To PST's advantage is update cadence (every 6 days vs monthly). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. MBOX To PST sells 3 in-app purchases, starting at $7.99 per 7 days. OpenProject asks for nothing beyond the download.

OpenProject ships an update monthly, MBOX To PST every 6 days. The most recent releases landed on October 13, 2026 and October 14, 2026 respectively.

## The numbers

| Metric | OpenProject | MBOX To PST |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[2.0 (4 ratings)](https://appshunter.io/ios/app/openproject/id6474431879/reviews)** | — |
| Number of ratings | **4** | — |
| Positive reviews | 50.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Monthly | **Every 6 days** |
| Monetization | Free | — |
| Size | 72 MB | 14 MB |
| Requires iOS | 16.4 | **16.0** |
| Devices | iPhone, iPad | **iPhone, iPad, Mac** |
| Age rating | 4+ | 4+ |
| Developer | [OpenProject GmbH](https://appshunter.io/developer/1721516865) | [Rush Tools LLC](https://appshunter.io/developer/1896773547) |

## What reviewers say

### OpenProject

[App page](https://appshunter.io/ios/app/openproject/id6474431879)

Manage your projects on the go with this open-source tool. Track tasks, collaborate with your team, and update project statuses in real time from your iOS device. Stay organized and productive wherever your work takes you.

**Highlights:** Create, view, and edit work packages, Update task status, priority, and assignees, Instant commenting and collaboration, Attach and review files, Real-time project progress tracking, Log time directly in the app

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

**In-app purchases:** none


### MBOX To PST

[App page](https://appshunter.io/ios/app/mbox-to-pst/id6809223739)

**Features:** Vision Pro support

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Mbox to PST Pro | $7.99 | per 7 days |
| Mbox to PST Pro | $79.99 | per year |
| Mbox to PST Pro | $149.99 | one-time |


## Frequently asked questions

### Is OpenProject free?

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

### Is MBOX To PST free?

MBOX To PST is free to download, with in-app purchases available.

### Do OpenProject or MBOX To PST have ads?

Neither OpenProject nor MBOX To PST shows ads.

### Which is updated more often, OpenProject or MBOX To PST?

OpenProject ships an update monthly, and MBOX To PST every 6 days. Most recently, OpenProject was updated on October 13, 2026 and MBOX To PST on October 14, 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.*