Comparison

One vs vCardr

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

Head to head
About

One

This utility generates a secure, eight-digit disposable password every minute. These one-time passwords are ideal for enhancing security across various online services, as they become invalid after a short period, even if compromised.

Highlights
  • Generates eight-digit passwords
  • Passwords valid for one minute
  • Enhances online service security
  • Disposable password functionality
  • Requires OTP application at service
Features
Read full description

What is One-Time Password? One-Time Password is the disposable password which is effective solely once. In this Application, a random eight digit password is generated every one minute. You can securely use the various kinds of services because the password is invalidated in one minute even if the password is stolen. For using this App, it is required to apply for the OTP at the service which adopted this App. As applying for the OTP, the email notification about the App procedure will be delivered at the email address registered.

About

vCardr

Features
Read full description

vCardr turns any contact into a full-screen QR code another phone can scan in seconds โ€” no app required on the other end and no account. Pick a contact and vCardr renders a standard vCard QR code you can hold up for someone to scan with their camera. Their phone offers to save the card straight to Contacts. That's it. โ€ข Show your own card or anyone from your address book โ€ข Contact cards work entirely offline and stay on your device โ€ข No advertising or product tracking โ€ข Clean, high-contrast codes that scan fast, in light or dark โ€ข Received a card? Open it and save it with one tap โ€ข Home-screen widget shows your contact QR code without opening the app โ€” StandBy included โ€ข Optionally, a widget can show a QR code for downloading vCardr vCardr reads a contact only to draw its QR code on your screen. Your contact data stays on your device.

Screenshots

One4 screens
vCardr4 screens

Verdict

The call

The clearest difference is iOS requirement: One at 14.0 against vCardr's 17.0. On price, update cadence, ads and in-app purchases there is nothing between them.

Scored on Price ยท Rating ยท Positive reviews ยท Number of ratings ยท Update frequency ยท Ads ยท In-app purchases ยท Monetization ยท Best chart rank ยท Devices ยท Requires iOS

CostPrice ยท In-app purchases ยท Ads ยท Monetization

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

UpkeepUpdate frequency

One ships an update every 5 months, vCardr every 2 months. The most recent releases landed on October 6, 2026 and October 29, 2026 respectively.

Scorecard1 real difference ยท 7 level
One versus vCardr: the parameters behind the verdict, then further details
ParameterOnevCardr
PriceFreeFree
Positive reviews12.5% of reviewsโ€”
Update frequencyEvery 5 monthsEvery 2 months โ€” better
AdsNoNo
In-app purchasesNoNo
MonetizationFreeโ€”
DevicesiPhone, iPod โ€” betteriPhone
Requires iOS14.0 โ€” better17.0
Further details โ€” not scored
Size49 MB4 MB
Age rating4+4+
DeveloperNTT DATA GROUP CORPORATIONPhilipp Kursawe

In-app purchases

None

One

No in-app purchases

None

vCardr

No in-app purchases

Questions

Is One free?
One is free to download, with no in-app purchases.
Is vCardr free?
vCardr is free to download, with no in-app purchases.
Do One or vCardr have ads?
Neither One nor vCardr shows ads.
Which is updated more often, One or vCardr?
One ships an update every 5 months, and vCardr every 2 months. Most recently, One was updated on October 6, 2026 and vCardr on October 29, 2026.

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