# Keys vs Note To Self Mail

The clearest difference is update cadence: Keys at every 2 weeks against Note To Self Mail's every 6 weeks. Keys also leads on iOS requirement (8.0 vs 12.0). On price, rating, review sentiment and ratings volume there is nothing between them.

Both are free to download. Keys sells 2 one-off in-app purchases and Note To Self Mail sells 3 in-app purchases, starting at $4.99 per year. Whichever you choose, the download price is not the number that matters.

On the App Store both sit at effectively the same score — 4.8 for Keys against 4.8 for Note To Self Mail. Both are backed by a comparable volume of ratings — 288 and 377 respectively. Written reviews are what separate them: 83% of Keys's written reviews are positive against 90% of Note To Self Mail's.

Keys ships an update every 2 weeks, Note To Self Mail every 6 weeks. The most recent releases landed on October 15, 2026 and October 21, 2026 respectively.

## The numbers

| Metric | Keys | Note To Self Mail |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.8 (288 ratings)](https://appshunter.io/ios/app/keys-password-manager-lite/id792280963/reviews) | **[4.8 (377 ratings)](https://appshunter.io/ios/app/note-to-self-mail/id1135553707/reviews)** |
| Number of ratings | 288 | **377** |
| Positive reviews | 82.7% of reviews | **90.2% of reviews** |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Every 2 weeks** | Every 6 weeks |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 9 MB | 85 MB |
| Requires iOS | **8.0** | 12.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [天舟 陈](https://appshunter.io/developer/445262181) | [Mathias Lipowski](https://appshunter.io/developer/668302586) |

## What reviewers say

### Keys

[App page](https://appshunter.io/ios/app/keys-password-manager-lite/id792280963)

Securely store and manage your passwords with military-grade encryption. This app offers iCloud sync, Touch ID support, and automatic locking for enhanced security. It provides essential password management features in a simple, easy-to-use interface.

**Highlights:** iCloud Sync, Touch ID Unlock, AES-256 Encryption, Local & iCloud Backup, Searchable Items, Automatic Clipboard Clean

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Remove Ads | $0.99 | one-time |
| Get iCloud Data Sync | $2.99 | one-time |

**What reviewers like**

- 👍 Simple and easy to use
- 👍 Handy and convenient
- 👍 Saves effort remembering passwords
- 👍 Secure and user-friendly
- 👍 Good organization

**What reviewers complain about**

- 🐛 App locks up when retrieving passwords
- 🐛 Lost all passwords
- 🐛 Cannot access data after iOS update
- 🐛 App crashes
- 🐛 No contact info for assistance

**Reported bugs**

- App locks up when retrieving passwords
- Lost all passwords
- Cannot access data after iOS update
- App crashes
- App crashes every time it's opened

**Requested features**

- Add color coding for text
- Add underline for text
- Add account type classification
- Make it easier to find in the App Store
- Add option to lock password field to prevent accidental changes


### Note To Self Mail

[App page](https://appshunter.io/ios/app/note-to-self-mail/id1135553707)

Quickly capture your thoughts and send them directly to your inbox. This app integrates with popular to-do list applications, streamlining your workflow by sending notes via email. It offers basic note-taking with advanced features available in the pro version.

**Highlights:** Send notes directly to inbox, Integrates with Trello, Evernote, etc., Attach photos (pro), Create sketches (pro), Attach audio notes (pro), Scan documents (pro)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Buy me a coffee | $4.99 | per year |
| Pro Version | $4.99 | one-time |
| Buy me a coffee | $4.99 | one-time |

**What reviewers like**

- 🚀 Extremely fast and quick to use
- 👍 Simple and intuitive interface
- ⚙️ Highly customizable settings and options
- 🔒 Secure SMTP-based email delivery
- 📧 Seamless email integration with multiple accounts

**What reviewers complain about**

- 🐛 Google OAuth authentication issues
- 🔐 Requires SMTP server configuration (technical barrier)
- ⚠️ Occasional reliability issues after extended use
- 📱 Limited Apple Watch support
- 🌐 Browser sharing functionality sometimes fails

**Reported bugs**

- Google OAuth doesn't work properly
- Messages stuck in outbox with Google authentication
- App stops working after several weeks of use
- Safari share extension crashes or fails silently
- Browser sharing shows grey rectangle and fails

**Requested features**

- Scheduled/delayed send functionality
- Apple Watch native app
- Document scanning with PDF export
- YouTube title preservation in sharing
- iOS 26 UI updates


## Frequently asked questions

### Is Keys free?

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

### Is Note To Self Mail free?

Note To Self Mail is free to download, with in-app purchases available.

### Which has better reviews, Keys or Note To Self Mail?

Note To Self Mail is rated higher. Keys averages 4.8 out of 5 from 288 ratings, while Note To Self Mail averages 4.8 from 377 ratings.

### Do Keys or Note To Self Mail have ads?

Neither Keys nor Note To Self Mail shows ads.

### Which is updated more often, Keys or Note To Self Mail?

Keys ships an update every 2 weeks, and Note To Self Mail every 6 weeks. Most recently, Keys was updated on October 15, 2026 and Note To Self Mail on October 21, 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.*