KAU Authenticator vs AO3 Margin Notes
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
KAU Authenticator
This app provides secure two-factor authentication for university systems. It generates time-based one-time passwords and supports offline code generation. The app prioritizes user privacy by storing all keys locally on the device.
- Time-based one-time password (TOTP) generation
- Secure QR code scanning for account setup
- Offline code generation
- Auto-refreshing codes every 30 seconds
- Lightweight, fast, and secure design
- Local storage of authentication keys
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KAU Authenticator is the official 2FA (two-factor authentication) app from King Abdulaziz University, designed to help students, staff, and faculty securely log in to university systems. Features: Time-based one-time password (TOTP) support Secure QR code scanning to add accounts Offline functionality (no internet required to generate codes) Auto-refresh every 30 seconds Lightweight, fast, and secure This app ensures your KAU accounts remain protected with an extra layer of security. Ideal for logging into university portals, services, and systems that require multi-factor authentication. Your privacy and security are our top priority. No data is sent to external servers — all keys are stored locally on your device.
AO3 Margin Notes
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AO3 Margin Notes is a private reading tool for Archive of Our Own. Highlight passages while reading, save your reactions as margin notes, and compile them into a single AO3 comment when you are finished. Notes remain stored on your device until you clear them. The extension also includes an optional reminder for kudos near the end of a completed work. AO3 Margin Notes is an independent browser extension and is not affiliated with or endorsed by the Organization for Transformative Works or Archive of Our Own. It was created for the All For The Game fandom but all are welcome to use it.
Screenshots
Verdict
The clearest difference is update cadence: AO3 Margin Notes at every 4 days against KAU Authenticator's monthly. KAU Authenticator's advantage is iOS requirement (13.0 vs 15.0). On price, ads, in-app purchases 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
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
KAU Authenticator ships an update monthly, AO3 Margin Notes every 4 days. The most recent releases landed on November 3, 2026 and November 10, 2026 respectively.
| Parameter | KAU Authenticator | AO3 Margin Notes |
|---|---|---|
| Price | Free | Free |
| Rating | 1.6 (10 ratings) — better | — |
| Number of ratings | 10 — better | — |
| Update frequency | Monthly | Every 4 days — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | — |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 13.0 — better | 15.0 |
| Further details — not scored | ||
| Size | 23 MB | 1 MB |
| Age rating | 12+ | 4+ |
| Developer | kau.edu | Ana Morales Benitez |
In-app purchases
KAU Authenticator
No in-app purchases
AO3 Margin Notes
No in-app purchases
Questions
Is KAU Authenticator free?
Is AO3 Margin Notes free?
Do KAU Authenticator or AO3 Margin Notes have ads?
Which is updated more often, KAU Authenticator or AO3 Margin Notes?
Other comparisons
