# Tuta Mail vs Yubico Authenticator

The clearest difference is rating: Tuta Mail at 4.7 against Yubico Authenticator's 3.7. Tuta Mail also leads on review sentiment (65% vs 43%) and update cadence (weekly vs monthly). Yubico Authenticator's advantage is in-app purchases (none vs 4). On price, ads, device support and iOS requirement there is nothing between them.

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

Tuta Mail holds the better App Store score, 4.7 against 3.7. That said, the two scores are not equally well evidenced: Tuta Mail has 3.8K ratings behind it against 286, so its average is the more settled of the two. Written reviews point the same way: 65% of Tuta Mail's written reviews are positive against 43% of Yubico Authenticator's.

Tuta Mail ships an update weekly, Yubico Authenticator monthly. The most recent releases landed on October 23, 2026 and October 22, 2026 respectively.

## The numbers

| Metric | Tuta Mail | Yubico Authenticator |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.7 (3.8K ratings)](https://appshunter.io/ios/app/tuta-mail-secure-email/id922429609/reviews)** | [3.7 (286 ratings)](https://appshunter.io/ios/app/yubico-authenticator/id1476679808/reviews) |
| Number of ratings | **3.8K** | 286 |
| Positive reviews | **65.3% of reviews** | 42.5% of reviews |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Weekly** | Monthly |
| Monetization | Freemium | **Free** |
| Size | 85 MB | 4 MB |
| Requires iOS | 16.0 | 16.0 |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Tutao GmbH](https://appshunter.io/developer/922429608) | [Yubico](https://appshunter.io/developer/586890748) |

## 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


### Yubico Authenticator

[App page](https://appshunter.io/ios/app/yubico-authenticator/id1476679808)

Secure your online accounts with hardware-backed two-factor authentication. Store unique credentials on a physical security key, eliminating the need to store sensitive data on your mobile device. Generate verification codes without an internet connection for enhanced account protection.

**Highlights:** Hardware-backed security key storage, Touch or NFC authentication, USB-C support, Biometric unlock (FaceID/TouchID), QR code setup, User presence verification, Smart Card support

**In-app purchases:** none

**What reviewers like**

- 🚀 Works well with Yubikey
- 🔒 Secure storage of OATH secrets
- 👍 Simple and easy to use
- 🚀 NFC support added

**What reviewers complain about**

- 🐛 NFC not working on some devices
- 🐛 Clunky UI for password-protected keys
- 🐛 Crashes and freezes reported
- 🐛 Incompatible with some devices (iPad, older iPhones)

**Reported bugs**

- NFC not working reliably
- Accounts disappearing after updates
- Calculation of codes not working
- Keyboard issues when using keys

**Requested features**

- Allow editing and rearranging of entries
- Add support for multiple keys per account
- Improve iPad/tablet support
- Add dark mode option
- Improve QR code scanning


## Frequently asked questions

### Is Tuta Mail free?

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

### Is Yubico Authenticator free?

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

### Which has better reviews, Tuta Mail or Yubico Authenticator?

Tuta Mail is rated higher. Tuta Mail averages 4.7 out of 5 from 3.8K ratings, while Yubico Authenticator averages 3.7 from 286 ratings.

### Do Tuta Mail or Yubico Authenticator have ads?

Neither Tuta Mail nor Yubico Authenticator shows ads.

### Which is updated more often, Tuta Mail or Yubico Authenticator?

Tuta Mail ships an update weekly, and Yubico Authenticator monthly. Most recently, Tuta Mail was updated on October 23, 2026 and Yubico Authenticator on October 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.*