Notesnook vs CalcPlus
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Notesnook
This open-source app offers secure, encrypted note-taking and organization across all your devices. It features a robust editor, to-do lists, and a private journal with advanced security to protect your personal information.
- Military-grade encryption
- Cross-platform synchronization
- To-do lists and task management
- Private journal with media support
- Rich text and Markdown editor
- Notebook organization
- App lock with fingerprint support
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Your notes are yours. Notesnook encrypts every one of them on your device before it ever reaches the cloud — so no one can read them. Not advertisers, not us. UNLIMITED NOTES. EVERY DEVICE. FREE. Most note apps cap the free plan until it hurts. Others stop after a few dozen notes. Notesnook never limits how much you write or how many devices you sync. A REAL EDITOR Headings, tables, code blocks, maths, outlines, Markdown and full-quality images. Notes that hold up whether you are writing a shopping list or a thesis chapter. ORGANISED AT ANY SIZE Nested notebooks, tags, colours, pinned and favourite notes, and search that stays instant at 10,000 notes. Link notes to each other and build your own private wiki. PRIVACY YOU CAN CHECK YOURSELF • End-to-end encryption is always on — you cannot switch it off, so you cannot forget • Encrypted on your device, in transit and at rest, using XChaCha20-Poly1305 and Argon2 • Even your notebook and tag names are encrypted • 100% open source under AGPLv3 — read every line, or run your own sync server • Recommended by Privacy Guides IMPORT YOUR OLD NOTES Bring your notes, notebooks and tags with you. Import from your previous notes app, plus plain Markdown and HTML files. EVERYWHERE YOU WRITE iPhone, iPad, Mac and the web. Sync is instant, and encrypted the whole way. ALSO INSIDE • Web clipper — save any article, ad-free and offline • Reminders across all your devices • Note version history, so nothing is ever really lost • Publish a note to a shareable link • Dark mode and custom themes FREE FOREVER Unlimited notes, unlimited devices, 50 notebooks, 50 tags and full end-to-end encryption. No ads. No trial countdown. PAID PLANS Add task lists, callouts, recurring reminders, more storage, and — on Pro — app lock, an encrypted vault and full-quality images. From $19.99 a year. Questions or feedback: support@streetwriters.co Privacy policy: https://notesnook.com/privacy Terms: https://notesnook.com/terms
CalcPlus
This app combines a fully functional calculator with a secure, encrypted notes system. Store sensitive information like crypto wallet phrases and passwords locally and offline, protected by a PIN and optional biometric authentication. It offers a discreet interface and prioritizes user privacy with no cloud sync or ads.
- Encrypted local notes storage
- Calculator interface
- PIN and biometric security
- Offline functionality
- Customizable themes and app icons
- Auto-wipe on failed attempts
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CalcPlus is a fully functional calculator with a hidden encrypted notes system built in. Enter your 6-digit PIN, tap =, and unlock secure, local-only notes storage completely offline. Use CalcPlus to store: • Crypto wallet recovery phrases (Ledger, MetaMask, etc.) • API keys and infrastructure passwords • Home Wi-Fi or VPN credentials • Door codes, admin access, or tax IDs • Any sensitive info that shouldn’t be in iCloud, Google Docs, or your camera roll Everything is encrypted on-device. No cloud sync. No account. No trace. CalcPlus Pro features: • Set your own custom PIN • Enable Face ID / Touch ID 2FA • Wipe notes after failed PIN attempts • Choose between Blue, Red, or Teal themes and auto-switch app icons to match CalcPlus is designed for privacy-focused users, security professionals, and anyone who wants peace of mind without compromise. Why CalcPlus? • Encrypted and offline • Stealthy interface looks like a basic calculator • No signup. No servers. No ads. • Instant, secure access — even when your signal is dead Download CalcPlus and reclaim your privacy.
Screenshots
Verdict
The clearest difference is ratings volume: Notesnook at 672 against CalcPlus's 2. CalcPlus's advantage is review sentiment (100% vs 79%) and rating (5.0 vs 4.7). On price, update cadence, ads and in-app purchases 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. Notesnook sells 17 in-app purchases, starting at $0.99 per month and CalcPlus sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.
CalcPlus holds the better App Store score, 5.0 against 4.7. That said, the two scores are not equally well evidenced: Notesnook has 672 ratings behind it against 2, so its average is the more settled of the two. Written reviews point the same way: 79% of Notesnook's written reviews are positive against 100% of CalcPlus's.
Notesnook ships an update every 8 days, CalcPlus fortnightly. The most recent releases landed on October 13, 2026 and October 2, 2026 respectively.
| Parameter | Notesnook | CalcPlus |
|---|---|---|
| Price | Free | Free |
| Rating | 4.7 (672 ratings) | 5.0 (2 ratings) — better |
| Positive reviews | 78.7% of reviews | 100.0% of reviews — better |
| Number of ratings | 672 — better | 2 |
| Update frequency | Every 8 days — better | Fortnightly |
| Ads | No | No |
| In-app purchases | Yes | Yes |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Devices | iPhone, iPad, iPod — better | iPhone, iPod |
| Requires iOS | 15.6 | 15.0 — better |
| Further details — not scored | ||
| Size | 96 MB | 1 MB |
| Age rating | 4+ | 4+ |
| Developer | Streetwriters LLC | Wildcatter LLC |
Customer experience
Notesnook
CalcPlus
Bugs and requests
Notesnook
Reported bugs
3 issues- Crashes on launch on older iOS devices
- Sync issues leading to data loss
- Unreliable login and verification process
Requested features
5 requests- Improved search functionality
- Reminders and calendar integration
- Handwriting and drawing support
- Multilingual support
- Improved table and spreadsheet features
CalcPlus
Not enough reviews yet to summarise bugs or requests.
In-app purchases
Notesnook
- Notesnook Pro$0.991 Month
- Notesnook Essential Plan7 Days trial$1.991 Month
- Notesnook Pro$2.491 Month
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- Notesnook Pro Plan7 Days trial$2.991 Month
- Notesnook Pro3 variants$4.491 Month
- Notesnook Pro1 Month trial$4.491 Month
- Notesnook Pro Plan7 Days trial$6.991 Month
- Notesnook Believer Plan7 Days trial$8.991 Month
- Notesnook Pro$9.991 Year
- Notesnook Essential Plan14 Days trial$19.991 Year
- Notesnook Pro$24.991 Year
- Notesnook Pro Plan14 Days trial$29.901 Year
- Notesnook Pro Yearly$49.991 Year
- Notesnook Pro2 variants$49.991 Year
- Notesnook Pro1 Year trial$49.991 Year
- Notesnook Pro Plan14 Days trial$69.991 Year
- Notesnook Believer Plan14 Days trial$89.991 Year
CalcPlus
- CalcPlus Pro$9.99









