# Standard Notes vs Proton Calendar

The clearest difference is rating: Standard Notes at 4.7 against Proton Calendar's 4.0. Standard Notes also leads on review sentiment (63% vs 41%) and update cadence (every 2 weeks vs every 5 weeks). Proton Calendar's advantage is monetization model (free vs free with in-app purchases). On price, ratings volume, ads and in-app purchases there is nothing between them.

Both are free to download. Standard Notes sells 1 in-app purchase, starting at $119.99 per year and Proton Calendar sells 2 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.

Standard Notes holds the better App Store score, 4.7 against 4.0. Both are backed by a comparable volume of ratings — 3.7K and 1.4K respectively. Written reviews point the same way: 63% of Standard Notes's written reviews are positive against 41% of Proton Calendar's.

Standard Notes ships an update every 2 weeks, Proton Calendar every 5 weeks. Both last shipped on September 22, 2026.

## The numbers

| Metric | Standard Notes | Proton Calendar |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.7 (3.7K ratings)](https://appshunter.io/ios/app/standard-notes/id1285392450/reviews)** | [4.0 (1.4K ratings)](https://appshunter.io/ios/app/proton-calendar-secure-events/id1514709943/reviews) |
| Number of ratings | **3.7K** | 1.4K |
| Positive reviews | **63.4% of reviews** | 41.2% of reviews |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Every 2 weeks** | Every 5 weeks |
| Monetization | Free with in-app purchases | **Free** |
| Size | 92 MB | 185 MB |
| Requires iOS | **13.0** | 16.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Standard Notes Ltd.](https://appshunter.io/developer/586976285) | [Proton AG](https://appshunter.io/developer/979659484) |

## What reviewers say

### Standard Notes

[App page](https://appshunter.io/ios/app/standard-notes/id1285392450)

Securely capture and sync your thoughts across all devices with end-to-end encryption. This app offers a simple, lasting place for all your notes, from personal thoughts to sensitive information, with robust privacy features.

**Highlights:** End-to-end encryption, Cross-device syncing, Offline access, Passcode and biometric lock, Tagging system, Open-source code, Optional productivity editors and themes

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Professional Plan | $119.99 | per year |

**What reviewers like**

- 🚀 Fast and reliable sync
- 🔒 Excellent privacy and security
- 👍 Simple and intuitive interface
- 📚 Great for organizing notes
- 💻 Cross-platform availability

**What reviewers complain about**

- 🐛 Occasional bugs and crashes
- 🔑 Frustrating login/authentication issues
- 💰 Expensive premium subscription
- 📱 Limited features in free version
- 🖍️ Lack of formatting options

**Reported bugs**

- Notes disappearing or getting deleted unexpectedly
- Sync issues between devices
- Keyboard and UI bugs on mobile
- Compatibility problems with older iOS versions

**Requested features**

- Add support for images and attachments
- Implement a more robust search function
- Introduce a dark mode option
- Allow for better note organization (folders, nested tags)
- Add undo/redo functionality


### 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 Standard Notes free?

Standard Notes is free to download, with in-app purchases available.

### Is Proton Calendar free?

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

### Which has better reviews, Standard Notes or Proton Calendar?

Standard Notes is rated higher. Standard Notes averages 4.7 out of 5 from 3.7K ratings, while Proton Calendar averages 4.0 from 1.4K ratings.

### Do Standard Notes or Proton Calendar have ads?

Neither Standard Notes nor Proton Calendar shows ads.

### Which is updated more often, Standard Notes or Proton Calendar?

Standard Notes ships an update every 2 weeks, and Proton Calendar every 5 weeks. Most recently, Standard Notes was updated on September 22, 2026 and Proton Calendar on September 22, 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.*