Parakey vs ScanDue
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Parakey
Transform your smartphone into a digital key for various locked spaces like offices and parking garages. This app eliminates the need for physical keys, fobs, or cards, offering convenient access even without an internet connection.
- Smartphone as a digital key
- Access locked spaces without internet
- Automatic door detection
- NFC sticker unlocking
- Lock screen widgets
Read full descriptionHide full description
Use your smartphone as a key to locked spaces, such as the office, parking garage or gym – even without internet access. No more physical keys, fobs or entry cards to keep track of! — Features — • Automatic detection of doors you are close to and have access to – no need to scroll through long lists of doors • Tap your phone on a Parakey NFC sticker to unlock • Add widgets to open the app or NFC reader from the lock screen • Access to many locked spaces? Your frequently unlocked ones are displayed at the top • ... and much more! — Requirements — • Parakey-devices installed in the locked areas • You need to be invited by an administrator in order to create an account and login as a user • iPhone 6s or greater • iOS 15.0 or greater
ScanDue
Read full descriptionHide full description
Never miss an expiry date again. ScanDue uses AI to scan any document and automatically extract expiry dates — no manual typing needed. Set smart reminders and get notified before it's too late. WHAT YOU CAN TRACK • Passports & visas • Warranties & guarantees • Insurance policies • Subscriptions & memberships • Driver's licenses & IDs • Gift cards & vouchers • Food & medicine expiry HOW IT WORKS 1. Scan any document with your camera or photo library 2. AI extracts the expiry date automatically 3. Set a reminder — days, weeks, or months ahead 4. Get notified before anything expires KEY FEATURES • AI-powered date extraction from any document • Smart reminders with flexible timing • Organize by urgency — expired, today, this week, later • Insights to track your expiry history • Calendar export to sync with your schedule • Supports 10 languages SCANDUE PRO Upgrade to Pro for unlimited scans. Free plan includes 10 scans per month. Track what matters. Never be caught off guard again. Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/
Screenshots
Verdict
The clearest difference is in-app purchases: Parakey at none against ScanDue's 3. On price, update cadence, 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. ScanDue sells 3 in-app purchases, starting at $2.99 per month. Parakey asks for nothing beyond the download.
Parakey ships an update every 5 weeks, ScanDue every 4 weeks. The most recent releases landed on November 1, 2026 and October 31, 2026 respectively.
| Parameter | Parakey | ScanDue |
|---|---|---|
| Price | Free | Free |
| Rating | 3.0 (5 ratings) — better | — |
| Positive reviews | 50.0% of reviews | — |
| Number of ratings | 5 — better | — |
| Update frequency | Every 5 weeks | Every 4 weeks — better |
| Ads | No | No |
| In-app purchases | No — better | Yes |
| Monetization | Free | — |
| Devices | iPhone, iPod — better | iPhone |
| Requires iOS | 15.1 — better | 16.4 |
| Further details — not scored | ||
| Size | 26 MB | 53 MB |
| Age rating | 4+ | 4+ |
| Developer | Parakey AB | Tuan Hoang Anh |
In-app purchases
Parakey
No in-app purchases
ScanDue
- ScanDue Pro Monthly$2.991 Month
- ScanDue Pro Yearly$19.991 Year
- Pro Lifetime$39.99









