# KryptoVault vs Notebox

The clearest difference is review sentiment: Notebox at 86% against KryptoVault's 40%. Notebox also leads on rating (4.3 vs 3.5) and update cadence (every 2 days vs fortnightly). KryptoVault's advantage is in-app purchases (none vs 2) and iOS requirement (13.0 vs 17.0). On price, ratings volume, ads and device support there is nothing between them.

Both are free to download. Notebox sells 2 in-app purchases, starting at $1.49 per month. KryptoVault asks for nothing beyond the download.

Notebox holds the better App Store score, 4.3 against 3.5. Both are backed by a comparable volume of ratings — 8 and 6 respectively. Written reviews point the same way: 40% of KryptoVault's written reviews are positive against 86% of Notebox's.

KryptoVault ships an update fortnightly, Notebox every 2 days. The most recent releases landed on September 21, 2026 and September 30, 2026 respectively.

## The numbers

| Metric | KryptoVault | Notebox |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [3.5 (8 ratings)](https://appshunter.io/ios/app/kryptovault/id1494525431/reviews) | **[4.3 (6 ratings)](https://appshunter.io/ios/app/notebox-encrypted/id1536532586/reviews)** |
| Number of ratings | **8** | 6 |
| Positive reviews | 40.0% of reviews | **85.7% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Fortnightly | **Every 2 days** |
| Monetization | **Free** | Freemium |
| Size | 4 MB | 49 MB |
| Requires iOS | **13.0** | 17.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, Mac |
| Age rating | 4+ | 4+ |
| Developer | [Samuel Gonzalez](https://appshunter.io/developer/1458390737) | [Guap Inc.](https://appshunter.io/developer/1439069409) |

## What reviewers say

### KryptoVault

[App page](https://appshunter.io/ios/app/kryptovault/id1494525431)

Manage your GPG/OpenPGP keys and encrypted emails directly from your mobile device. Import existing keys or generate new ones, and stay productive by reading and writing encrypted messages on the go.

**Highlights:** GPG/OpenPGP email management, Read and write encrypted emails, Import existing keys, Generate new keys, Key storage and management

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

**In-app purchases:** none


### Notebox

[App page](https://appshunter.io/ios/app/notebox-encrypted/id1536532586)

This app offers a secure, block-based editor with Markdown support for local note-taking. For cross-device synchronization and real-time updates, a subscription unlocks cloud features with zero-knowledge encryption.

**Highlights:** Zero-knowledge encryption, Block-based editor, Markdown support, Local-only mode, Cross-device sync, Real-time updates

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly Cloud Subscription | $1.49 | per month |
| Yearly Cloud Subscription | $14.99 | per year |


## Frequently asked questions

### Is KryptoVault free?

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

### Is Notebox free?

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

### Which has better reviews, KryptoVault or Notebox?

Notebox is rated higher. KryptoVault averages 3.5 out of 5 from 8 ratings, while Notebox averages 4.3 from 6 ratings.

### Do KryptoVault or Notebox have ads?

Neither KryptoVault nor Notebox shows ads.

### Which is updated more often, KryptoVault or Notebox?

KryptoVault ships an update fortnightly, and Notebox every 2 days. Most recently, KryptoVault was updated on September 21, 2026 and Notebox on September 30, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*