Frequently asked questions
Everything people usually ask about DotDotDoit.
Is DotDotDoit free?
Yes - free, with no ads and no in-app purchases.
Does it work offline?
Completely. Every feature runs on your device with no internet connection.
Do you collect my data?
No. No accounts, no analytics, no tracking. Your audio, camera frames and messages never leave your phone.
What can it decode?
Morse from live sound (mic), a blinking light (camera), a photo of dots and dashes, or a pasted Morse string.
Can it teach me Morse?
Yes - there is a full reference table and a gamified practice trainer that unlocks letters as you improve.
What languages does it support?
14, including English, Spanish, Portuguese, French, German, Italian, Turkish, Russian, Ukrainian, Arabic, Hindi, Chinese (Simplified) and Japanese.
Can I send Morse with the flashlight?
Yes - choose the torch output. (Torch speed is limited a bit for hardware safety.)
What’s the · · • logo about?
“Dot, dot, do it” - two dots and a red one for the “i”. It’s also a nod to Morse itself.
Which phones are supported?
Android now; iOS is planned.
Can I use it in an emergency?
Please don’t rely on it as your only method. It’s built for fun and learning - real emergencies need dedicated equipment and help.
How do I get the SOS home-screen widget?
On Android, long-press your home screen, choose Widgets, find DotDotDoit, and drag the SOS widget out.
Still stuck? Get in touch.
Ready to try it?
Free. No ads. No accounts. Works fully offline.
A friendly heads-up: DotDotDoit is for fun and learning — don’t rely on it as your only way to signal in an emergency.