# Save2PDF vs Proton Calendar

The clearest difference is price: Proton Calendar at Free against Save2PDF's $4.99. Proton Calendar also leads on update cadence (every 5 weeks vs every 4 months) and ratings volume (1.6K vs 66). Save2PDF's advantage is in-app purchases (none vs 2) and review sentiment (68% vs 41%). On rating, ads and device support there is nothing between them.

Proton Calendar is free to download; Save2PDF costs $4.99 up front. Proton Calendar sells 2 one-off in-app purchases. Save2PDF asks for nothing beyond the download.

On the App Store both sit at effectively the same score — 4.2 for Save2PDF against 4.1 for Proton Calendar. That said, the two scores are not equally well evidenced: Proton Calendar has 1.6K ratings behind it against 66, so its average is the more settled of the two. Written reviews are what separate them: 68% of Save2PDF's written reviews are positive against 41% of Proton Calendar's.

Save2PDF ships an update every 4 months, Proton Calendar every 5 weeks. The most recent releases landed on October 22, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | Save2PDF | Proton Calendar |
| --- | --- | --- |
| Price | $4.99 | **Free** |
| Rating | **[4.2 (66 ratings)](https://appshunter.io/ios/app/save2pdf/id399758218/reviews)** | [4.1 (1.6K ratings)](https://appshunter.io/ios/app/proton-calendar-secure-events/id1514709943/reviews) |
| Number of ratings | 66 | **1.6K** |
| Positive reviews | **67.7% of reviews** | 40.7% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 4 months | **Every 5 weeks** |
| Monetization | Paid | **Free** |
| Size | 49 MB | 185 MB |
| Requires iOS | **12.0** | 16.0 |
| Devices | iPad | **iPhone, iPad** |
| Age rating | 17+ | 4+ |
| Developer | [EuroSmartz Ltd](https://appshunter.io/developer/299105918) | [Proton AG](https://appshunter.io/developer/979659484) |

## What reviewers say

### Save2PDF

[App page](https://appshunter.io/ios/app/save2pdf/id399758218)

Easily create professional PDFs directly on your iPad from various file formats like Word, Excel, Photos, and web pages. Merge multiple documents or select specific pages to build custom PDFs. Seamlessly integrate with other apps for quick conversion.

**Highlights:** Convert Word, Excel, PowerPoint, Photos, Web Pages, and more to PDF, Merge multiple files into a single PDF, Select specific pages from files for new PDFs, Import files from other apps via 'Open in...', Email and print PDFs directly from the app, Supports iCloud integration

**Features:** macOS Compatibility

**In-app purchases:** none

**What reviewers like**

- 🚀 Efficient PDF conversion
- 👍 Customizable PDF settings
- 💡 Useful for work and personal use
- 🔒 Secure file handling
- 🌐 Integrates with cloud storage

**What reviewers complain about**

- 🐛 Occasional crashes and bugs
- 🤔 Unintuitive user interface
- 🔄 Formatting issues with some file types
- 🕰️ Slow performance at times
- 🔒 Concerns about security and privacy

**Reported bugs**

- Compatibility issues with iOS updates
- Memory errors and data loss
- Inconsistent PDF formatting
- Unreliable cloud sync and sharing

**Requested features**

- Improved integration with other apps
- Ability to annotate and edit PDFs
- Support for more file formats
- Wireless printing functionality
- Streamlined file management


### Proton Calendar

[App page](https://appshunter.io/ios/app/proton-calendar-secure-events/id1514709943)

This app helps you manage your schedule with privacy in mind. It offers various viewing options, reminders, and recurring event creation. All your data is protected by end-to-end encryption and strict Swiss privacy laws, ensuring your personal information is not tracked or harvested.

**Highlights:** Agenda and day view, View and reply to invites, Automatic event addition from email, Light and dark mode, Multiple reminders, Recurring events, Cross-device sync

**Features:** Vision Pro support

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Mail Plus (1 year) | $59.99 | one-time |
| Proton Unlimited | $149.99 | one-time |

**What reviewers like**

- 🚀 Intuitive interface
- 🔒 Secure and private
- 👍 Good integration with Proton suite
- 👍 Visually appealing design

**What reviewers complain about**

- 🐛 Slow performance and crashes
- 🔍 Lacking search functionality
- 📅 Missing advanced calendar views (week, month)
- 🔗 Limited integration with other calendars

**Reported bugs**

- Issues with time zone settings
- Notifications not working reliably
- Inability to edit shared events

**Requested features**

- Widgets for quick access
- Ability to invite and share calendars with others
- Support for importing/exporting calendar data
- Customization options (colors, alerts, etc.)
- iPad-optimized version


## Frequently asked questions

### Is Save2PDF free?

Save2PDF costs $4.99, with no in-app purchases.

### Is Proton Calendar free?

Proton Calendar is free to download, with in-app purchases available.

### Which has better reviews, Save2PDF or Proton Calendar?

Save2PDF is rated higher. Save2PDF averages 4.2 out of 5 from 66 ratings, while Proton Calendar averages 4.1 from 1.6K ratings.

### Do Save2PDF or Proton Calendar have ads?

Neither Save2PDF nor Proton Calendar shows ads.

### Which is updated more often, Save2PDF or Proton Calendar?

Save2PDF ships an update every 4 months, and Proton Calendar every 5 weeks. Most recently, Save2PDF was updated on October 22, 2026 and Proton Calendar on October 31, 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.*