Comparison

Skillmine Authenticator vs Auth Sync

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

Head to head
About

Skillmine Authenticator

Features
Read full description

Protect your accounts effortlessly with Skillmine Authenticator. Leverage flexible multi-factor authentication using TOTP, HOTP, push notifications, and pattern-based security. Key Features: TOTP-Based Multi-Factor Authentication Easily configure & generate Time-based One-Time Passwords (TOTP) by scanning a QR code or manually entering a secret key. HOTP-Based Multi-Factor Authentication Configure and generate HMAC-based One-Time Passwords (HOTP) for authentication based on a counter, ensuring secure logins. Push Notification-Based Authentication Authenticate effortlessly by selecting the correct emoji received via push notification. Pattern-Based Multi-Factor Authentication A Unique pattern as an alternative authentication method for added flexibility. Secure Cloud Backup & Sync Keep your TOTP and HOTP codes securely backed up.

About

Auth Sync

Features
Read full description

Auth Sync is a 2FA (TOTP) authenticator focused on privacy and simplicity. Generate and use OTP offline, then enable end-to-end encrypted cloud sync only when you need it. Your TOTP vault is encrypted on deviceβ€”the server has zero knowledge. Highlights TOTP add & scan: QR scan, manual input, 6/8 digits, SHA1/256/512, 30s/60s. Folders & search, tagging, quick copy. E2EE cloud sync on demand; encryption keys never leave your devices. Secure sharing across your own devices (E2EE). Export/Import with encrypted backups; import from common authenticators. Extras: password generator, temporary email, Base64 encode/decode. Local encrypted backups to Files/iCloud. Security True E2EE with zero-knowledge backend. No collection of TOTP contents. Integrity checks to protect your vault. How it works Add accounts (scan QR or enter secret). Use offline codes immediately. Sign in to enable E2EE Sync across devices. Export/Import for long-term backups.

Screenshots

Skillmine Authenticator3 screens
Auth Sync3 screens

Verdict

The call

The clearest difference is update cadence: Auth Sync at every 3 months against Skillmine Authenticator's every 7 months. Skillmine Authenticator's advantage is iOS requirement (13.0 vs 15.1). On price, ads, in-app purchases and device support there is nothing between them.

Scored on Price Β· Rating Β· Positive reviews Β· Number of ratings Β· Update frequency Β· Ads Β· In-app purchases Β· Monetization Β· Best chart rank Β· Devices Β· Requires iOS

CostPrice Β· In-app purchases Β· Ads Β· Monetization

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

UpkeepUpdate frequency

Skillmine Authenticator ships an update every 7 months, Auth Sync every 3 months. The most recent releases landed on September 9, 2026 and August 22, 2026 respectively.

Scorecard2 real differences Β· 4 level
Skillmine Authenticator versus Auth Sync: the parameters behind the verdict, then further details
ParameterSkillmine AuthenticatorAuth Sync
PriceFreeFree
Update frequencyEvery 7 monthsEvery 3 months β€” better
AdsNoNo
In-app purchasesNoNo
DevicesiPhone, iPodiPhone, iPad, iPod β€” better
Requires iOS13.0 β€” better15.1
Further details β€” not scored
Size69 MB59 MB
Age rating4+4+
DeveloperSKILLMINE TECHNOLOGY CONSULTING PRIVATE LIMITEDDREAMER NETWORK CO., LTD

In-app purchases

None

Skillmine Authenticator

No in-app purchases

None

Auth Sync

No in-app purchases

Questions

Is Skillmine Authenticator free?
Skillmine Authenticator is free to download, with no in-app purchases.
Is Auth Sync free?
Auth Sync is free to download, with no in-app purchases.
Do Skillmine Authenticator or Auth Sync have ads?
Neither Skillmine Authenticator nor Auth Sync shows ads.
Which is updated more often, Skillmine Authenticator or Auth Sync?
Skillmine Authenticator ships an update every 7 months, and Auth Sync every 3 months. Most recently, Skillmine Authenticator was updated on September 9, 2026 and Auth Sync on August 22, 2026.

Other comparisons