GDG London vs Authenticator App
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
GDG London
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GDG London Event app is a community-run conference app aimed to bring technologists, developers, students, tech companies, and speakers together in one location to learn, discuss and experiment with technology.
Authenticator App
Enhance your online security by generating secure one-time passwords for social media, email, and crypto wallets. This app offers a fast QR code scanner, biometric security, and works offline. It also includes a robust password manager and strong password generator.
- Time-based One-Time Passwords (TOTP)
- Lightning-Fast QR Code Scanner
- Secure iCloud Backup & Sync (PRO)
- Universal Platform Compatibility
- Biometric Security (Face ID/Touch ID)
- Offline Token Generation
- Robust Password Manager
- Strong Password Generator
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Authenticator App adds an essential layer of security to your online life by generating secure Time-based One-Time Passwords. Whether you are securing your social media, email, or crypto wallets, our app ensures your digital identity remains strictly yours. KEY FEATURES & BENEFITS: ‣ Lightning-Fast QR Code Scanner: Set up new accounts in seconds. Simply point your camera at the QR code provided by the service, and Authenticator App will configure the rest automatically. ‣ Secure iCloud Backup & Sync: Lost your phone? No problem! With PRO feature, you can securely back up and encrypt your data via iCloud so you can easily restore your tokens on a new device. ‣ Apple Watch App (PRO): See your 2FA codes right on your wrist. Accounts sync automatically from your iPhone, and codes keep working even when your phone isn't nearby. ‣ Universal Compatibility: Works seamlessly with thousands of popular platforms including Google, Facebook, Instagram, Microsoft, Amazon, Binance, Coinbase, GitHub, Dropbox, and many more. ‣ Biometric Security: Lock your authenticator app with Face ID or Touch ID. Your 2FA codes stay safe from prying eyes, even if someone else has your unlocked phone. ‣ Works Completely Offline: Generate secure tokens without an internet connection. Authenticator App works flawlessly in airplane mode or when you have zero signal. PRIVACY YOU CAN TRUST: We believe your data belongs to you. Authenticator App does not collect, store, or share your personal information or authentication codes on our servers. All data is encrypted and stored locally on your device. Privacy Policy: https://techsmart.bio/authenticatorapp/privacy-policy.html Terms of Use: https://techsmart.bio/authenticatorapp/terms-of-use.html
Screenshots
Verdict
The clearest difference is in-app purchases: GDG London at none against Authenticator App's 4. GDG London also leads on update cadence (every 2 days vs every 6 days) and iOS requirement (12.0 vs 15.6). Authenticator App's advantage is device support (4 vs 2). On price and ads 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. Authenticator App sells 4 in-app purchases, starting at $5.99 per 7 days. GDG London asks for nothing beyond the download.
GDG London ships an update every 2 days, Authenticator App every 6 days. The most recent releases landed on September 8, 2026 and September 27, 2026 respectively.
| Parameter | GDG London | Authenticator App |
|---|---|---|
| Price | Free | Free |
| Rating | — | 5.0 (1 ratings) — better |
| Positive reviews | — | 100.0% of reviews |
| Number of ratings | — | 1 — better |
| Update frequency | Every 2 days — better | Every 6 days |
| Ads | No | No |
| In-app purchases | No — better | Yes |
| Monetization | — | Freemium |
| Devices | iPhone, iPod | iPhone, iPad, iPod, Apple Watch — better |
| Requires iOS | 12.0 — better | 15.6 |
| Further details — not scored | ||
| Size | 80 MB | 28 MB |
| Age rating | 4+ | 4+ |
| Developer | SUPRTECH LTD | Pro App Company Limited |
In-app purchases
GDG London
No in-app purchases
Authenticator App
- Weekly$5.997 Days
- Monthly3 Days trial$9.991 Month
- Yearly3 Days trial$49.991 Year
- Lifetime$99.99
Questions
Is GDG London free?
Is Authenticator App free?
Do GDG London or Authenticator App have ads?
Which is updated more often, GDG London or Authenticator App?
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