# Tuta Mail vs Rank Severity

The clearest difference is in-app purchases: Rank Severity at none against Tuta Mail's 4. Rank Severity also leads on iOS requirement (13.0 vs 16.0). Tuta Mail's advantage is update cadence (weekly vs every 64 months). On price, ads and device support there is nothing between them.

Both are free to download. Tuta Mail sells 4 in-app purchases, starting at $3.99 per month. Rank Severity asks for nothing beyond the download.

Tuta Mail ships an update weekly, Rank Severity every 64 months. The most recent releases landed on November 7, 2026 and November 1, 2026 respectively.

## The numbers

| Metric | Tuta Mail | Rank Severity |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.7 (3.8K ratings)](https://appshunter.io/ios/app/tuta-mail-secure-email/id922429609/reviews)** | — |
| Number of ratings | **3.8K** | — |
| Positive reviews | 65.3% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Weekly** | Every 64 months |
| Monetization | Freemium | — |
| Size | 87 MB | 16 MB |
| Requires iOS | 16.0 | **13.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Tutao GmbH](https://appshunter.io/developer/922429608) | [Martin Keesen](https://appshunter.io/developer/956311240) |

## What reviewers say

### Tuta Mail

[App page](https://appshunter.io/ios/app/tuta-mail-secure-email/id922429609)

Secure your communications with an encrypted email service offering end-to-end encryption for emails and contacts. Enjoy features like anonymous registration, an ad-free experience, and a free encrypted calendar. Protect your privacy with a service developed and hosted in Germany.

**Highlights:** End-to-end encryption, Anonymous registration, Ad-free experience, Free encrypted calendar, Quantum-safe encryption, Open source code

**Features:** Vision Pro support

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Revolutionary (Monthly) | $3.99 | per month |
| Legend (Monthly) | $9.99 | per month |
| Revolutionary (Yearly) | $39.99 | per year |
| Legend (Yearly) | $99.99 | per year |

**What reviewers like**

- 🔒 Secure email service
- 💡 Encrypted subject lines and contacts
- 👍 Clean and simple interface
- 🚀 Reliable and fast
- 🔒 End-to-end encryption

**What reviewers complain about**

- 🐛 Occasional app crashes
- 🐛 Inconsistent email delivery
- 🐛 Unreliable search functionality
- 🐛 Inability to export emails
- 🐛 Frequent app disconnections

**Reported bugs**

- Login credentials not working
- Accounts being locked or deleted unexpectedly
- Inability to restore deleted accounts
- Syncing issues between devices

**Requested features**

- Pinch-to-zoom functionality
- Improved email organization tools (labels, folders, etc.)
- Offline access mode
- Ability to set custom notification sounds
- Separate app for calendar and contacts


### Rank Severity

[App page](https://appshunter.io/ios/app/rank-severity/id956311241)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Tuta Mail free?

Tuta Mail is free to download, with in-app purchases available.

### Is Rank Severity free?

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

### Do Tuta Mail or Rank Severity have ads?

Neither Tuta Mail nor Rank Severity shows ads.

### Which is updated more often, Tuta Mail or Rank Severity?

Tuta Mail ships an update weekly, and Rank Severity every 64 months. Most recently, Tuta Mail was updated on November 7, 2026 and Rank Severity on November 1, 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.*