Showing 1–20 of 1,000 ranked alternatives.
Signal Messenger, LLC
Send messages and files securely
Send texts, voice messages, photos, videos, GIFs, and files for free. Make encrypted voice and video calls with group support up to 50 people. Create group chats with up to 1,000 members. Share files and media securely.
Duo Security LLC
Generate passcodes and receive push notifications
Generate one-time use passcodes for login verification. Receive push notifications for instant authentication. Manage two-factor authentication for multiple apps and websites. Link account to enable secure login features.
eMudhra Limited
Enable 2FA with time-based OTPs
Enable two-factor authentication with time-based OTPs. Generate 6-digit codes every 30 seconds. Set up automatically via QR code. Supports multiple accounts. Store codes securely in encrypted iOS keychain. Copy codes to clipboard.
Codenhagen.IO ApS
Generate time-based codes for accounts
Generate time-based one-time passwords (TOTP) for two-factor authentication. Scan QR codes to set up accounts. Verify login attempts with generated codes. Sync tokens across devices. Protect online accounts with secure multi-factor authentication.
SMM service, s.r.o.
Store 2FA tokens and generate codes securely
Store and generate secure 2FA tokens for online accounts. Encrypt data both in transit and at rest. Back up 2FA codes and passwords to iCloud with encryption. Access tokens across devices. Manage multiple accounts with individual security settings.
Glindemann, Sennoun, Langer GbR
Calculate triangle sides with Pythagorean theorem
Calculate missing sides of right-angled triangles using the Pythagorean theorem. Input two sides to find the third. Save calculations in a history. Share complete solutions. Support for entering fractions. Remove ads.
兰 李
Generate songs from text lyrics
Create music from text lyrics using AI. Generate complete songs with melody and rhythm. Provide emotional support through conversation. Offer guidance during life challenges. Share created music via social media or email.
BEGAMOB GLOBAL LIMITED
Generate time-based one-time passwords
Securely authenticate online accounts with time-based one-time passwords (TOTP). Generate codes directly on your iPhone for email, social media, crypto platforms, and business tools.
Joey Chappel
Calculate costs and track sales
Track sales and calculate total costs. Input prices and track inventory. Adjust prices to match local council rates. Generate change for transactions. Manage displayed types based on availability.
Glindemann, Sennoun, Langer GbR
Calculate triangle edges with Pythagorean theorem
Calculate missing sides of right-angled triangles using the Pythagorean theorem. Enter two sides to find the third. Save calculation history. Share complete solutions. Support for entering fractions. No advertisements.
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