Comparison

SecurityKey NFC vs DoorDot

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

Head to head
About

SecurityKey NFC

Manage your NFC device-bound Passkey with this app. Securely control your PIN code, fingerprint enrollment, and sign-in data for enhanced digital protection. Access your credentials from anywhere, anytime.

Highlights
  • PIN code management
  • Fingerprint enrollment
  • Sign-in data organization
  • NFC device integration
  • Secure credential management
Read full description

Introduce our “SecurityKey NFC” App - your all-in-one solution for NFC device-bound Passkey management! Ultimate Security at Your Fingertips: Experience the next level of protection with our “SecurityKey NFC” App, empowering you to manage your PIN code, Fingerprint, and Sign-in data (credential) in ATKey.Card NFC effortlessly. Take control of your digital security like never before! Key Features: 1. PIN Code Management: Set, change, and personalize your PIN policy with ease. Our intuitive interface ensures a smooth and user-friendly experience. 2. Fingerprint: You can enroll, rename, and edit your fingerprints in a simple and direct way. Unlock the power of your fingerprint! 3. Sign-in Data Central: Organize your sign-in data (credentials) securely within the app. Say goodbye to the hassle of managing passwords separately – everything you need is now in one place! Anywhere, Anytime Security: Our “SecurityKey NFC” App effortlessly integrate the management flow of ATKey.Card NFC with your favorite platforms. Whether you're at home, in the office, or on the go, our Security Key App ensures that your NFC device-bound Passkey is under control at all times. Feel confident knowing that your digital identity is in safe hands. Download Now and Fortify Your Digital World! Don't compromise on security – embrace the future with the “SecurityKey NFC” App. Download now and take the first step towards a safer, more secure digital experience. Your fortress of digital protection is just a click away!

About

DoorDot

Features
Read full description

DoorDot turns any door into a smart doorbell using a simple NFC sticker. Visitors tap the tag (or scan a QR code) and you receive an instant push notification. No cameras, no microphones, no cloud video — just clean, private notifications. HOW IT WORKS • Place an NFC sticker on your door • Program it with DoorDot in seconds • Visitors tap the sticker with their phone • You get an instant push notification PRIVACY FIRST • No cameras or microphones • No cloud video storage • All data stored in your iCloud via CloudKit • No third-party servers or tracking FEATURES • Create multiple "Dots" for different doors • Program NFC tags or generate QR codes • View event log with timestamps • Leave optional notes and photos (Premium) • Rotate tokens to invalidate old tags PRICING • Free: 1 dot, 7-day history, notes only • Premium: $2.99/month or $19.99/year • Premium includes: up to 10 dots, photo attachments, unlimited history, token rotation Privacy Policy: https://hatchingpoint.com/doordot/privacy Terms of Use: https://hatchingpoint.com/doordot/terms

Screenshots

SecurityKey NFC2 screens
DoorDot4 screens

Verdict

The call

The clearest difference is in-app purchases: SecurityKey NFC at none against DoorDot's 2. SecurityKey NFC also leads on update cadence (every 3 weeks vs every 3 months) and iOS requirement (14.0 vs 17.0). On price, 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. DoorDot sells 2 in-app purchases, starting at $2.99 per month. SecurityKey NFC asks for nothing beyond the download.

UpkeepUpdate frequency

SecurityKey NFC ships an update every 3 weeks, DoorDot every 3 months. The most recent releases landed on September 17, 2026 and September 23, 2026 respectively.

Scorecard3 real differences · 6 level
SecurityKey NFC versus DoorDot: the parameters behind the verdict, then further details
ParameterSecurityKey NFCDoorDot
PriceFreeFree
Rating5.0 (1 ratings) — better—
Number of ratings1 — better—
Update frequencyEvery 3 weeks — betterEvery 3 months
AdsNoNo
In-app purchasesNo — betterYes
MonetizationFree—
DevicesiPhone, iPod — betteriPhone
Requires iOS14.0 — better17.0
Further details — not scored
Size59 MB16 MB
Age rating4+4+
DeveloperAuthenTrend Technology Inc.Hatching Point LLC

In-app purchases

None

SecurityKey NFC

No in-app purchases

2 purchases

DoorDot

Subscriptions2
  • Monthly Premium$2.991 Month
  • Yearly Premium$19.991 Year

Questions

Is SecurityKey NFC free?
SecurityKey NFC is free to download, with no in-app purchases.
Is DoorDot free?
DoorDot is free to download, with in-app purchases available.
Do SecurityKey NFC or DoorDot have ads?
Neither SecurityKey NFC nor DoorDot shows ads.
Which is updated more often, SecurityKey NFC or DoorDot?
SecurityKey NFC ships an update every 3 weeks, and DoorDot every 3 months. Most recently, SecurityKey NFC was updated on September 17, 2026 and DoorDot on September 23, 2026.

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