Comparison

One vs One Time Password

Price, ratings, monetisation and update history for both apps, side by side — 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

One Time Password

This app provides a secure and simple way to store confidential login information for websites and email platforms. It utilizes Touch ID or a passcode for device owner validation, ensuring your data is protected.

Highlights
  • Securely stores login credentials
  • Uses Touch ID for validation
  • Passcode as an alternative to Touch ID
  • Simple and nice design
  • Protects confidential information
Features
Read full description

One Time Password is the Apple-native 2FA authenticator with a built-in Password Vault — both encrypted on your device, both syncable privately via iCloud End-to-End encryption. WHY ONE TIME PASSWORD • Two-in-one: 2FA codes (TOTP) + secure password manager in a single calm vault • One-tap import from Authy, Google Authenticator, 2FAS, Microsoft Authenticator • Apple-native dark UI built for iOS 17 — no web-app port • iCloud End-to-End sync across iPhone, iPad, Mac (Pro) • We never see your codes or passwords — designed offline-first FOR YOUR 2FA CODES • Scan QR codes or paste otpauth URIs to add new accounts • Smooth animated progress rings — no jumpy second ticks like Google Authenticator • Tap to reveal codes — blurred by default to prevent shoulder-surfing • Search, folders (Personal / Work / Banking), and favorites • Custom icons that auto-detect from issuer • Full SHA1 / SHA256 / SHA512 + 6 / 7 / 8-digit support FOR YOUR PASSWORDS • Add, edit, search, and reveal passwords with biometric protection • Auto-clear clipboard after 60 seconds (configurable) • Encrypted with ChaChaPoly using a master key kept in your iOS Keychain • Folders shared with your codes — one organization system • Optional iCloud End-to-End sync (Pro) PRIVACY FIRST • All credentials stored encrypted on this device • Master key kept in iOS Secure Enclave • iCloud sync (when enabled) uses Apple's encryptedValues API — true E2E with Advanced Data Protection • No analytics on your seeds or passwords — ever PRO Unlock unlimited accounts, unlimited passwords, iCloud sync, encrypted backup export, custom icons, and an ad-free experience. • Annual $14.99/year • Lifetime $29.99 — pay once, yours forever MIGRATING FROM v1? If you used the previous Password Manager version of this app, your data is preserved and now appears as fully editable records in the new Passwords tab. Terms of Use: https://app26ground.vercel.app/terms Privacy Policy: https://app26ground.vercel.app/privacy

Screenshots

One4 screens
One Time Password4 screens

Verdict

The call

The clearest difference is in-app purchases: One at none against One Time Password's 3. One also leads on update cadence (every 5 months vs every 118 months) and review sentiment (13% vs 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. One Time Password sells 3 in-app purchases, starting at $14.99 per year. One asks for nothing beyond the download.

UpkeepUpdate frequency

One ships an update every 5 months, One Time Password every 118 months. The most recent releases landed on September 4, 2026 and June 11, 2026 respectively.

Scorecard5 real differences · 5 level
One versus One Time Password: the parameters behind the verdict, then further details
ParameterOneOne Time Password
PriceFreeFree
Rating—2.0 (4 ratings) — better
Positive reviews12.5% of reviews — better0.0% of reviews
Number of ratings—4 — better
Update frequencyEvery 5 months — betterEvery 118 months
AdsNoNo
In-app purchasesNo — betterYes
MonetizationFree — betterFree with in-app purchases
DevicesiPhone, iPodiPhone, iPad, iPod — better
Requires iOS14.0 — better18.0
Further details — not scored
Size49 MB12 MB
Age rating4+4+
DeveloperNTT DATA GROUP CORPORATIONNattapon Kittisuphat

Customer experience

One

Written reviews8 reviews
Positive12.5%
Neutral12.5%
Negative75.0%

One Time Password

All ratings4 ratings
Positive25.0%
Neutral0.0%
Negative75.0%
Written reviews4 reviews
Positive0.0%
Neutral0.0%
Negative100.0%

In-app purchases

None

One

No in-app purchases

3 purchases

One Time Password

Subscriptions1
  • Annual Pro$14.991 Year
One-time2
  • Remove Banner$2.99
  • Lifetime Pro$29.99

Questions

Is One free?
One is free to download, with no in-app purchases.
Is One Time Password free?
One Time Password is free to download, with in-app purchases available.
Do One or One Time Password have ads?
Neither One nor One Time Password shows ads.
Which is updated more often, One or One Time Password?
One ships an update every 5 months, and One Time Password every 118 months. Most recently, One was updated on September 4, 2026 and One Time Password on June 11, 2026.

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