# Encrypted Email vs Pi Epsilon

The clearest difference is in-app purchases: Pi Epsilon at none against Encrypted Email's 6. Pi Epsilon also leads on rating (5.0 vs 4.8) and iOS requirement (15.0 vs 17.2). Encrypted Email's advantage is update cadence (every 11 days vs every 6 months) and ratings volume (50K vs 5). On price, ads and device support there is nothing between them.

Both are free to download. Encrypted Email sells 6 in-app purchases, starting at $5.99 per month. Pi Epsilon asks for nothing beyond the download.

Pi Epsilon holds the better App Store score, 5.0 against 4.8. That said, the two scores are not equally well evidenced: Encrypted Email has 50K ratings behind it against 5, so its average is the more settled of the two.

Encrypted Email ships an update every 11 days, Pi Epsilon every 6 months. The most recent releases landed on October 26, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | Encrypted Email | Pi Epsilon |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.8 (50K ratings)](https://appshunter.io/ios/app/encrypted-email-proton-mail/id979659905/reviews) | **[5.0 (5 ratings)](https://appshunter.io/ios/app/pi-epsilon/id1594236510/reviews)** |
| Number of ratings | **50K** | 5 |
| Positive reviews | 46.6% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 11 days** | Every 6 months |
| Monetization | Free with in-app purchases | **Free** |
| Best chart rank | **#63** | — |
| Size | 272 MB | 147 MB |
| Requires iOS | 17.2 | **15.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Proton AG](https://appshunter.io/developer/979659484) | [Chesapeake International Consulting, LLC](https://appshunter.io/developer/1589725776) |

## What reviewers say

### Encrypted Email

[App page](https://appshunter.io/ios/app/encrypted-email-proton-mail/id979659905)

**Currently charting:** #63 Top Free · Productivity, #82 Top Grossing · Productivity (US App Store)

This encrypted email service from Switzerland prioritizes user privacy with end-to-end encryption. It offers robust security features to protect your communications from phishing, spam, and tracking, allowing you to manage your inbox with ease.

**Highlights:** End-to-end encryption, Password-protected emails, Multiple account support, Inbox organization (folders, labels), Dark mode, Phishing and spam protection

**In-app purchases (6)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Mail Plus 1 month | $5.99 | per month |
| Unlimited 1 month | $14.99 | per month |
| Mail Plus 12 months | $47.90 | per year |
| Unlimited 1 year | $119.00 | per year |
| Mail Plus (1 year) | $59.99 | one-time |
| Proton Unlimited | $149.99 | one-time |

**What reviewers like**

- 🚀 Smooth performance
- 🔒 Excellent security and privacy
- 👍 Clean and intuitive interface
- 💡 Expanding ecosystem of Proton services

**What reviewers complain about**

- 🐛 Occasional crashes and bugs
- ⏱️ Slow email loading times
- 📝 Lacking advanced email management features
- 💰 Expensive paid plans

**Reported bugs**

- Login issues and lost email data
- Unreliable push notifications
- Inconsistent user experience between app and web

**Requested features**

- Conversation threading and email previews
- Customizable notification sounds
- Offline email access
- Improved syncing across devices


### Pi Epsilon

[App page](https://appshunter.io/ios/app/pi-epsilon/id1594236510)

A decentralized, anonymous, and end-to-end encrypted communication platform offering voice, text, video, and group calls. It provides robust security features and full user control over the server environment, bypassing third-party providers.

**Highlights:** Decentralized and anonymous communication, End-to-end encryption, Voice, text, and video calls, Group video conferencing, User-controlled server hosting, Decoy obfuscation tools

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Encrypted Email free?

Encrypted Email is free to download, with in-app purchases available.

### Is Pi Epsilon free?

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

### Which has better reviews, Encrypted Email or Pi Epsilon?

Pi Epsilon is rated higher. Encrypted Email averages 4.8 out of 5 from 50K ratings, while Pi Epsilon averages 5.0 from 5 ratings.

### Do Encrypted Email or Pi Epsilon have ads?

Neither Encrypted Email nor Pi Epsilon shows ads.

### Which is updated more often, Encrypted Email or Pi Epsilon?

Encrypted Email ships an update every 11 days, and Pi Epsilon every 6 months. Most recently, Encrypted Email was updated on October 26, 2026 and Pi Epsilon on October 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.*