Comparison

One Time vs Meg Authenticator

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

Head to head
About

One Time

Securely store and manage your two-factor authentication tokens using iCloud Keychain. This privacy-focused client supports various token types and generation methods, syncing seamlessly across your Apple devices without needing an extra account.

Highlights
  • Store tokens in iCloud Keychain
  • Add tokens via QR scanner or URL
  • Supports TOTP and HOTP
  • Syncs across iCloud devices
  • Open source and privacy-focused
  • Search tokens by issuer or account
Read full description

One-Time Password client. Store your software Two-Factor Authentication tokens securely in iCloud Keychain. No additional account required, sync between your iCloud devices. This app was designed with privacy and security in mind. The app is open source at https://github.com/leptos-null/OneTime and never connects to the internet. Features: - Add Software Two Factor Tokens using: - QR scanner in-app - Open otpauth URL - QR codes in saved images - Drag-and-drop QR code into app - Manually enter generator configuration - Store tokens in iCloud Keychain - Copy current factor code using long press or 3D Touch - Edit the name of the issuer and account of tokens - Search tokens by issuer or account name - Supports tokens of: - 1 to 10 digits - SHA1, MD5, SHA256, SHA384, SHA512, and SHA224 hashing algorithms - Time based factor with any time step/period (TOTP) - Counter based factor (HOTP)

About

Meg Authenticator

Features
Read full description

Meg Authenticator offers easy to use two-factor authentication storage for your accounts around the internet. Keeps your accounts safe even if your passwords are compromised. All safely stored on your very own device, giving you full control over your own data. Add your accounts manually, scanned from QR or through URLs. Meg (/mæi/) is the Norwegian word for me. Meg Authenticator is used to authenticate You.

Screenshots

One Time4 screens
Meg Authenticator2 screens

Verdict

The call

The clearest difference is update cadence: Meg Authenticator at every 3 weeks against One Time's every 7 months. One Time's advantage is device support (5 vs 3) and iOS requirement (10.0 vs 17.0). On price, ads and in-app purchases 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. Neither carries in-app purchases, so what you see is what you pay.

UpkeepUpdate frequency

One Time ships an update every 7 months, Meg Authenticator every 3 weeks. The most recent releases landed on October 14, 2026 and October 10, 2026 respectively.

Scorecard3 real differences · 7 level
One Time versus Meg Authenticator: the parameters behind the verdict, then further details
ParameterOne TimeMeg Authenticator
PriceFreeFree
Rating5.0 (7 ratings) — better—
Positive reviews100.0% of reviews—
Number of ratings7 — better—
Update frequencyEvery 7 monthsEvery 3 weeks — better
AdsNoNo
In-app purchasesNoNo
MonetizationFree—
DevicesiPhone, iPad, iPod, Mac, Apple Watch — betteriPhone, iPad, Mac
Requires iOS10.0 — better17.0
Further details — not scored
Size2 MB17 MB
Age rating4+4+
DeveloperLateef SanfordJonas Myhr Refseth

In-app purchases

None

One Time

No in-app purchases

None

Meg Authenticator

No in-app purchases

Questions

Is One Time free?
One Time is free to download, with no in-app purchases.
Is Meg Authenticator free?
Meg Authenticator is free to download, with no in-app purchases.
Do One Time or Meg Authenticator have ads?
Neither One Time nor Meg Authenticator shows ads.
Which is updated more often, One Time or Meg Authenticator?
One Time ships an update every 7 months, and Meg Authenticator every 3 weeks. Most recently, One Time was updated on October 14, 2026 and Meg Authenticator on October 10, 2026.

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