Authenticator+ vs Argus
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Authenticator+
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Authenticator+ is no longer actively maintained. We've built its successor: Keylet — 2FA Authenticator. Same makers, everything you're used to, but faster, fully private (nothing leaves your device), with passkey support and NO ads. Import your existing codes in one tap. Search "Keylet" on the App Store to make the switch.
Argus
This open-source utility app generates Time-based One-time Passwords (TOTP) for secure authentication. It offers a lightweight, data-protected experience with support for dark mode, iCloud backups, and Apple Watch integration.
- TOTP algorithm support (RFC 6238)
- Open-source
- Lightweight design
- Full data protection
- Dark mode support
- iCloud backup
- Apple Watch compatibility
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Argus is an OTP Mobile App and support the Time-based One-time Password (TOTP) algorithm specified in RFC 6238. - Opensource - Lightwight - Full data protection - Support dark mode - Support otpauth-migration - Support Apple Watch - Support backup in iCloud
Screenshots
Verdict
The clearest difference is ads: Argus at none against Authenticator+'s shown. Argus also leads on update cadence (every 3 days vs every 16 months) and device support (4 vs 2). On price, in-app purchases 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
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
Authenticator+ ships an update every 16 months, Argus every 3 days. The most recent releases landed on September 10, 2026 and June 5, 2026 respectively.
| Parameter | Authenticator+ | Argus |
|---|---|---|
| Price | Free | Free |
| Rating | — | 4.5 (2 ratings) — better |
| Positive reviews | — | 100.0% of reviews |
| Number of ratings | — | 2 — better |
| Update frequency | Every 16 months | Every 3 days — better |
| Ads | Yes | No — better |
| In-app purchases | No | No |
| Monetization | — | Free |
| Devices | iPhone, iPod | iPhone, iPad, iPod, Apple Watch — better |
| Requires iOS | 13.0 | 12.0 — better |
| Further details — not scored | ||
| Size | 20 MB | 3 MB |
| Age rating | 4+ | 4+ |
| Developer | Studio Fifteen | 晖 金 |
In-app purchases
Authenticator+
No in-app purchases
Argus
No in-app purchases
