Comparison

Parakey vs ScanDue

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

Head to head
About

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.

Highlights
  • Smartphone as a digital key
  • Access locked spaces without internet
  • Automatic door detection
  • NFC sticker unlocking
  • Lock screen widgets
Features
Read 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

About

ScanDue

Features
Read 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

Parakey4 screens
ScanDue4 screens

Verdict

The call

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

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. ScanDue sells 3 in-app purchases, starting at $2.99 per month. Parakey asks for nothing beyond the download.

UpkeepUpdate frequency

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.

Scorecard1 real difference · 9 level
Parakey versus ScanDue: the parameters behind the verdict, then further details
ParameterParakeyScanDue
PriceFreeFree
Rating3.0 (5 ratings) — better—
Positive reviews50.0% of reviews—
Number of ratings5 — better—
Update frequencyEvery 5 weeksEvery 4 weeks — better
AdsNoNo
In-app purchasesNo — betterYes
MonetizationFree—
DevicesiPhone, iPod — betteriPhone
Requires iOS15.1 — better16.4
Further details — not scored
Size26 MB53 MB
Age rating4+4+
DeveloperParakey ABTuan Hoang Anh

In-app purchases

None

Parakey

No in-app purchases

3 purchases

ScanDue

Subscriptions2
  • ScanDue Pro Monthly$2.991 Month
  • ScanDue Pro Yearly$19.991 Year
One-time1
  • Pro Lifetime$39.99

Questions

Is Parakey free?
Parakey is free to download, with no in-app purchases.
Is ScanDue free?
ScanDue is free to download, with in-app purchases available.
Do Parakey or ScanDue have ads?
Neither Parakey nor ScanDue shows ads.
Which is updated more often, Parakey or ScanDue?
Parakey ships an update every 5 weeks, and ScanDue every 4 weeks. Most recently, Parakey was updated on November 1, 2026 and ScanDue on October 31, 2026.

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