BauCalc vs KeyNook
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
BauCalc
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With our innovative app, planning and executing construction projects has never been easier! Whether you're an experienced professional in the construction industry or tackling your own renovation projects, our app is the ultimate companion for you. Easily calculate precise material quantities in square meters and cubic meters and add them directly to your shopping list. This not only saves time and effort but also ensures you always have the right amount of materials on hand. Try our app now and make your construction projects a stress-free success! Mit unserer innovativen App wird das Planen und Durchführen von Bauprojekten so einfach wie nie zuvor! Egal, ob du ein erfahrener Profi im Bauwesen bist oder einfach nur deine eigenen Renovierungsprojekte angehst - unsere App ist der ultimative Begleiter für dich. Berechne präzise Materialmengen in Quadratmetern und Kubikmetern mit Leichtigkeit und füge sie direkt deiner Einkaufsliste hinzu. Das spart nicht nur Zeit und Mühe, sondern stellt sicher, dass du stets die richtige Menge an Materialien zur Hand hast - teste unsere App jetzt und mach deine Bauvorhaben zu einem stressfreien Erfolgserlebnis!
KeyNook
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KeyNook is your secure password manager — with no subscription. Buy once, use forever. KeyNook keeps your passwords, 2FA codes, credit cards, notes and more in a strongly encrypted vault. Your master password never leaves your device — no account, no forced cloud. WHY KEYNOOK • No subscription — one-time purchase, optional Pro features via a single in-app purchase • Uncompromising security: AES-256-GCM and modern key derivation (Argon2id) • Your data stays yours: no ads, no tracking, no account required • Native apps for Mac, iPhone and iPad FEATURES • AutoFill in apps and the browser (plus extensions for Firefox and Chrome) • Powerful password generator • Unlock with Face ID / Touch ID • Password health: spot weak, reused and old passwords • Easy switch: import from other password managers and CSV — export anytime • Multilingual: German, English, French, Spanish KEYNOOK PRO (optional one-time purchase) • Multiple vaults — separate personal and work, for example • File attachments on items • Built-in 2FA / TOTP authenticator • Data-breach check — k-anonymous, your password never leaves the device • Sync across all your devices via iCloud Secure. Private. No subscription. Download KeyNook and take control of your passwords.
Screenshots
Verdict
The clearest difference is price: BauCalc at Free against KeyNook's $3.99. BauCalc also leads on iOS requirement (17.5 vs 26.0). KeyNook's advantage is update cadence (every 5 days vs every 26 months). On ads, in-app purchases 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
BauCalc is free to download; KeyNook costs $3.99 up front. Neither carries in-app purchases, so what you see is what you pay.
BauCalc ships an update every 26 months, KeyNook every 5 days. The most recent releases landed on October 6, 2026 and September 26, 2026 respectively.
| Parameter | BauCalc | KeyNook |
|---|---|---|
| Price | Free — better | $3.99 |
| Update frequency | Every 26 months | Every 5 days — better |
| Ads | No | No |
| In-app purchases | No | No |
| Devices | iPhone, iPad | iPhone, iPad, Mac — better |
| Requires iOS | 17.5 — better | 26.0 |
| Further details — not scored | ||
| Size | 1 MB | 4 MB |
| Age rating | 9+ | 4+ |
| Developer | Albert Frank | Stanislaw Schoenberg |
In-app purchases
BauCalc
No in-app purchases
KeyNook
No in-app purchases







