keyPlex vs Diary
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
keyPlex
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keyPlex is your personal password vault on iPhone. All data stays encrypted on your device – no third-party servers, no tracking. Six smart categories – not every password is the same. keyPlex offers optimized fields for web logins, email accounts, banking, credit cards, WiFi networks and other credentials. Card scanning – Capture bank and credit cards using your camera. Card number, expiry date and cardholder name are recognized automatically. Password groups – Organize your entries into custom groups like Personal, Work or Family for even better overview. Encrypted backup – Save all data as an encrypted file. Only recoverable with your backup password. Double protection – Unlock the app with Face ID, Touch ID or your own app passcode. You decide. Your data, your control – iCloud Sync is optional. Export your data anytime as CSV. No vendor lock-in. Custom categories – Create your own categories with individual icons and colors. Made in Germany – Built with a focus on privacy and usability. Available in German, English and Spanish. FREE: - Up to 5 entries - All 6 standard categories - Face ID & app passcode - Password generator - CSV export PREMIUM: - Unlimited entries - iCloud Sync across devices - Custom categories - Card scanner - Encrypted backup - Password groups Choose your plan: Yearly subscription (4.99 €/year) or one-time Lifetime (17.99 €). Privacy Policy: https://www.euplex.com/datenschutz.html?lang=en Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/
Diary
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Keep your thoughts, memories, and everyday moments private with a simple diary designed for personal journaling. Write freely, add photos and moods, and protect your memories with a passcode and Face ID or Touch ID. PRIVATE & SECURE • Protect your diary with a 4–6 digit passcode • Unlock with Face ID or Touch ID • Automatic locking keeps your entries private • Privacy mask protects your screen when the app goes to the background • Your diary data is stored locally on your device • No account and no cloud storage required WRITE YOUR WAY • Write, edit, and read diary entries • Add titles, text, dates, and times • Quickly record a thought, photo, or mood • Add multiple photos, tags, locations, weather, and categories • Use writing templates for today, gratitude, weekends, travel, and more • Customize paper colors, font size, and text color • Favorite important entries • Export an entry as an image to your Photos FIND & RELIVE YOUR MEMORIES • Search titles, entries, categories, tags, and locations • Filter entries by date or photos • Use the calendar to see your journaling history • Discover memories from this day in previous years • Review your month at a glance • Travel through your memories with Time Machine by year • Browse your favorite entries • View statistics for entries, photos, writing streaks, moods, categories, and popular tags BUILD A DAILY JOURNALING HABIT • Track consecutive journaling days • Set a daily reminder • Look back on your writing and memories whenever you want PERSONALIZE YOUR DIARY • Light mode, dark mode, or follow the system • Multiple themes • Customize the look and feel of your journal BACKUP & EXPORT • Back up and restore your diary, photos, and tags • Export your memories as JSON, TXT, or PDF • Keep a copy of your personal memories whenever you need it A private space for everyday thoughts, feelings, photos, and memories—without an account or subscription.
Screenshots
Verdict
The clearest difference is in-app purchases: Diary at none against keyPlex's 2. Diary also leads on iOS requirement (15.0 vs 17.6). keyPlex's advantage is ads (none vs shown). On price 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. keyPlex sells 2 in-app purchases, starting at $3.99 per year. Diary asks for nothing beyond the download.
| Parameter | keyPlex | Diary |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 3 weeks | — |
| Ads | No — better | Yes |
| In-app purchases | Yes | No — better |
| Devices | iPhone, iPad | iPhone, iPod |
| Requires iOS | 17.6 | 15.0 — better |
| Further details — not scored | ||
| Size | 4 MB | 33 MB |
| Age rating | 4+ | 4+ |
| Developer | Eugen Gabriel | 思宇 赵 |
In-app purchases
keyPlex
- keyPlex Premium$3.991 Year
- keyPlex Premium (Lifetime)$14.99
Diary
No in-app purchases









