Comparison

OTAC auth vs ShieldQR

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

Head to head
About

OTAC auth

Features
Read full description

Experience rapid and secure user/device authentication through OTAC's 8-character code. ● Quick and Easy, No Registration: Streamlined authentication without the hassle of sign-up or login processes. Your privacy is paramount; no personal information required. ● Secure Authentication with OTAC Code: Ensure robust security with time-sensitive OTAC codes. Safely access your accounts using a code that expires after a specific duration. ● Manage Multiple Accounts Easily: Effortlessly authenticate multiple accounts using a single OTAC auth app. Register and manage up to 20 accounts securely.

About

ShieldQR

Create custom QR safety tags for loved ones and valuables. If an emergency occurs, scanners can contact you or emergency services instantly without revealing your personal phone number. Offers real-time alerts and location sharing.

Highlights
  • Privacy-masked calls
  • SMS and WhatsApp messaging
  • Location sharing
  • Real-time scan notifications
  • Custom QR sticker designer
  • Emergency services access
Read full description

ShieldQR keeps your children, elderly parents, pets and valuables protected with smart QR safety tags. If something goes wrong, help arrives faster — without sharing your phone number. HOW IT WORKS Create a safety profile for a family member, child, elderly parent, pet, or valuable item. Design and print a custom QR sticker — choose from circles, tags, banners, shields and more. Attach the sticker to a passport, luggage, pet collar, backpack, walker, car or any belonging. When someone scans the QR code, they instantly see emergency contact options — no app download needed to scan. PERFECT FOR • Parents — tag your child's school bag, backpack or jacket • Families — keep elderly parents or grandparents reachable at all times • Pet owners — tag your pet's collar so anyone who finds them can reach you instantly • Travellers — tag luggage, passports and travel bags • Everyone — tag your car, keys, wallet or any valuable item FEATURES • Privacy-Masked Calls — scanners can call you without ever seeing your real phone number • SMS and WhatsApp Messaging — receive instant messages from anyone who finds your tag • Location Sharing — scanners can share their GPS location so you know exactly where your item or loved one is • Real-time scan notifications — get alerted the moment your tag is scanned • Custom Sticker Designer — design QR stickers in multiple formats including circle, tag, banner, shield and square • Multiple Tag Types — passport, luggage, child, senior, pet and valuable item tags • Emergency Services — one-tap access to Police and Ambulance for the scanner • Works with any phone camera — no app install required to scan SAFETY+ SUBSCRIPTION Upgrade to Safety+ to unlock full protection for your whole family: • Privacy-masked calling — your number stays completely hidden • Unlimited safety tags for your whole family • Real-time scan alerts • Priority support Cancel anytime. Terms of Use (EULA): https://getshieldqr.com/terms Privacy Policy: https://getshieldqr.com/privacy Built by Lyra Logic LLC. Your data stays private — we never sell or share your personal information.

Screenshots

OTAC auth4 screens
ShieldQR4 screens

Verdict

The call

The clearest difference is in-app purchases: OTAC auth at none against ShieldQR's 2. ShieldQR's advantage is update cadence (every 3 weeks vs every 6 weeks). On price, ads, device support and iOS requirement 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. ShieldQR sells 2 in-app purchases, starting at $9.99 per month. OTAC auth asks for nothing beyond the download.

UpkeepUpdate frequency

OTAC auth ships an update every 6 weeks, ShieldQR every 3 weeks. The most recent releases landed on October 5, 2026 and October 4, 2026 respectively.

Scorecard2 real differences · 7 level
OTAC auth versus ShieldQR: the parameters behind the verdict, then further details
ParameterOTAC authShieldQR
PriceFreeFree
Rating—4.0 (1 ratings) — better
Number of ratings—1 — better
Update frequencyEvery 6 weeksEvery 3 weeks — better
AdsNoNo
In-app purchasesNo — betterYes
Monetization—Freemium
DevicesiPhone, iPad, iPod — betteriPhone, iPad
Requires iOS15.0 — better16.0
Further details — not scored
Size10 MB61 MB
Age rating4+4+
DeveloperswIDch LimitedLyra Logic LLC

In-app purchases

None

OTAC auth

No in-app purchases

2 purchases

ShieldQR

Subscriptions1
  • Safety+ Monthly1 Month trial$9.991 Month
One-time1
  • Usage Refill$12.99

Questions

Is OTAC auth free?
OTAC auth is free to download, with no in-app purchases.
Is ShieldQR free?
ShieldQR is free to download, with in-app purchases available.
Do OTAC auth or ShieldQR have ads?
Neither OTAC auth nor ShieldQR shows ads.
Which is updated more often, OTAC auth or ShieldQR?
OTAC auth ships an update every 6 weeks, and ShieldQR every 3 weeks. Most recently, OTAC auth was updated on October 5, 2026 and ShieldQR on October 4, 2026.

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