One Time vs Meg Authenticator
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
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.
- 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
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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)
Meg Authenticator
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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
Verdict
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
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
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.
| Parameter | One Time | Meg Authenticator |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (7 ratings) — better | — |
| Positive reviews | 100.0% of reviews | — |
| Number of ratings | 7 — better | — |
| Update frequency | Every 7 months | Every 3 weeks — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | — |
| Devices | iPhone, iPad, iPod, Mac, Apple Watch — better | iPhone, iPad, Mac |
| Requires iOS | 10.0 — better | 17.0 |
| Further details — not scored | ||
| Size | 2 MB | 17 MB |
| Age rating | 4+ | 4+ |
| Developer | Lateef Sanford | Jonas Myhr Refseth |
In-app purchases
One Time
No in-app purchases
Meg Authenticator
No in-app purchases









