Block calls using a global database of analyzed calls. Identify and stop unwanted calls with audio fingerprinting technology. Prevent missed legitimate calls. Report and annoy spammers to deter future calls.
Learn Code using the Koch Method and Farnsworth spacing. Track progress with graphs and results. Practice sending and receiving code. Set training sessions and review speed. Adjust difficulty based on performance.
Make and receive calls and send texts for free. Use a local or personal phone number. Choose from daily, weekly, or monthly data plans. No contracts or hidden fees.
Convert text to and vice versa. Send and receive signals using front or rear light sources. Toggle manual light signals for instant SOS alerts. View signal patterns and practice encoding.
A with three modes: torch, light, and strobe. Adjust brightness manually or automatically. Lock the screen to prevent accidental closure. Features quick startup and high-quality graphics for older iOS devices.
Provides a free US phone number for receiving calls and texts. Sends free SMS and MMS to US and Canadian numbers. Offers free incoming calls. Enables low-cost international outgoing calls via WiFi or data. Supports group chats and history.
Translate text to code and vice versa. Type in code with on-screen keyboard. Learn code through lessons and quizzes. Convert text between code and standard format. Share code messages. Access advanced learning tools and social features.
Record calls with a single tap. Save and access recordings anytime. Play and share recordings directly. Use a simple one-tap interface. Record multiple conversations. Contact customer service for support.