KryptoVault vs Notebox
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
KryptoVault
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.
- GPG/OpenPGP email management
- Read and write encrypted emails
- Import existing keys
- Generate new keys
- Key storage and management
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KryptoVault is a GPG/OpenPGP manager with email support for reading and writing encrypted emails. * Are you tired of reading your encrypted emails in your laptop? * Would you like to know the content of the message right from your mobile device? * Are you worried about managing and storing all of your keys? * Quickly import your existing keys through iTunes/Finder, AirDrop, iCloud, Mail or locally from your device or generate a your first one with KryptoVault. Then KryptoVault is for you! Stay in the loop, be productive, don't miss an important email anymore.
Notebox
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.
- Zero-knowledge encryption
- Block-based editor
- Markdown support
- Local-only mode
- Cross-device sync
- Real-time updates
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# V2 Ultimate Privacy - All user data is stored with D2D zero-knowledge encryption - Block based flexible editor - Supports Markdown - Local-only use on iPhone, iPad and Mac is FREE. # Subscribe to Sync - Across all devices - Real time - Conflict-Free - Complete Security All personal data is stored in personal iCloud. All synchronization is processed on user device locally. --- privacy policy: https://notebox.cloud/privacy-policy terms of use: https://notebox.cloud/terms-of-use
Screenshots
Verdict
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.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
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.
| Parameter | KryptoVault | Notebox |
|---|---|---|
| Price | Free | Free |
| Rating | 3.5 (8 ratings) | 4.3 (6 ratings) — better |
| Positive reviews | 40.0% of reviews | 85.7% of reviews — better |
| Number of ratings | 8 — better | 6 |
| Update frequency | Fortnightly | Every 2 days — better |
| Ads | No | No |
| In-app purchases | No — better | Yes |
| Monetization | Free — better | Freemium |
| Devices | iPhone, iPad, iPod | iPhone, iPad, Mac |
| Requires iOS | 13.0 — better | 17.0 |
| Further details — not scored | ||
| Size | 4 MB | 49 MB |
| Age rating | 4+ | 4+ |
| Developer | Samuel Gonzalez | Guap Inc. |
Customer experience
KryptoVault
Notebox
In-app purchases
KryptoVault
No in-app purchases
Notebox
- Monthly Cloud Subscription7 Days trial$1.491 Month
- Yearly Cloud Subscription1 Month trial$14.991 Year
