Comparison

CalcPlus vs Haven Notes

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

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.

Highlights
  • Encrypted local notes storage
  • Calculator interface
  • PIN and biometric security
  • Offline functionality
  • Customizable themes and app icons
  • Auto-wipe on failed attempts
Features
Read full description

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.

About

Haven Notes

Features
Read full description

Haven Notes is a fast, private note-taking app built for people who think clearly. Write in Markdown with live formatting — bold, italic, headers, code blocks, and [[wiki links]] all render as you type. No buttons to click. Just write. WRITE BEAUTIFULLY Haven's editor renders Markdown inline. Type **bold** and see it bold. Type # Header and see it large. Type [[Note Title]] to link your ideas together. SEE YOUR IDEAS CONNECT Every [[wiki link]] creates a connection. Open the Knowledge Graph to see your notes as a visual network. Discover relationships between ideas you didn't know existed. PRIVATE BY DESIGN Notes live on your device. Optional sync is end-to-end encrypted with AES-256. No analytics. No tracking. No AI reading your notes. FEATURES • Live Markdown formatting with syntax highlighting • [[Wiki links]] and backlinks for connected thinking • Interactive knowledge graph • Folders with colors, drag to reorder, and bulk move • Tags for cross-cutting themes • Full-text search with highlighted results • Face ID / Touch ID lock • End-to-end encrypted sync across devices (Pro) • Import from Notion • Home screen widget • Dark mode SUBSCRIPTION INFO Haven Pro unlocks cloud sync and end-to-end encryption. • Monthly: $2.99/month • Yearly: $19.99/year (best value) Subscriptions automatically renew unless cancelled at least 24 hours before the end of the current period. Manage in Settings > Apple ID > Subscriptions. Terms of Use: https://havennotes.app/terms Privacy Policy: https://havennotes.app/privacy

Screenshots

CalcPlus4 screens
Haven Notes4 screens

Verdict

The call

The clearest difference is iOS requirement: CalcPlus at 15.0 against Haven Notes's 17.0. 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

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. CalcPlus sells 1 one-off in-app purchase and Haven Notes sells 2 in-app purchases, starting at $1.99 per month. Whichever you choose, the download price is not the number that matters.

UpkeepUpdate frequency

CalcPlus ships an update fortnightly, Haven Notes every 3 weeks. The most recent releases landed on June 1, 2026 and September 19, 2026 respectively.

Scorecard1 real difference · 9 level
CalcPlus versus Haven Notes: the parameters behind the verdict, then further details
ParameterCalcPlusHaven Notes
PriceFreeFree
Rating5.0 (2 ratings) — better—
Positive reviews100.0% of reviews—
Number of ratings2 — better—
Update frequencyFortnightly — betterEvery 3 weeks
AdsNoNo
In-app purchasesYesYes
MonetizationFree with in-app purchases—
DevicesiPhone, iPodiPhone, iPad
Requires iOS15.0 — better17.0
Further details — not scored
Size1 MB2 MB
Age rating4+4+
DeveloperWildcatter LLCYounes Haddaj

In-app purchases

1 purchases

CalcPlus

One-time1
  • CalcPlus Pro$9.99
2 purchases

Haven Notes

Subscriptions2
  • Monthly$1.991 Month
  • Yearly$19.991 Year

Questions

Is CalcPlus free?
CalcPlus is free to download, with in-app purchases available.
Is Haven Notes free?
Haven Notes is free to download, with in-app purchases available.
Do CalcPlus or Haven Notes have ads?
Neither CalcPlus nor Haven Notes shows ads.
Which is updated more often, CalcPlus or Haven Notes?
CalcPlus ships an update fortnightly, and Haven Notes every 3 weeks. Most recently, CalcPlus was updated on June 1, 2026 and Haven Notes on September 19, 2026.

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