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Bombo
English accent coach that never uploads your voice
Most pronunciation apps upload your voice to a server and hand you one vague score. Bombo does the opposite. Say a sentence and every individual sound is scored in about a second, fully on-device: recordings never leave your iPhone and lessons work in airplane mode. Tap any sound to hear a native speaker, then retry. 1,016 exercises across 24 levels, plus daily practice rebuilt from your own mistakes. One full lesson free every day, forever.
Hi Product Hunt! 👋
I'm a solo developer from Istanbul, and English is my second language. I kept meeting the same wall: people asked me to repeat myself, and no tool would tell me exactly WHICH sound was wrong without shipping my voice to a server.
So Bombo does the opposite. The entire scoring engine (a custom phoneme model plus Whisper) ships inside the app. You speak, and about a second later every sound lights up green, yellow or red. Tap a sound, hear a native speaker, try again. Your recordings never leave the phone, by architecture rather than by promise. It even works in airplane mode.
A few things I'm proud of:
🦎 One chameleon mascot, nine colors. The whole app changes color as you level up through 24 levels.
🧠 Daily practice is rebuilt every morning from the exact words you got wrong.
🌍 Launching in 27 languages, with localized screenshots for each.
🎁 1,016 hand-built exercises, all reachable on the free tier with a full free lesson every day, forever.
🎟️ Launch gift: 1,000 codes for a full year of premium, first come first served. Code BOMBOLAUNCH, redeem here: https://apps.apple.com/redeem?ct...
This launch is mostly me collecting feedback. Tell me which English sound gives you the most trouble, or what feels off in the app. I read and answer everything.
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About Bombo on Product Hunt
“English accent coach that never uploads your voice”
Bombo was submitted on Product Hunt and earned 6 upvotes and 1 comments, placing #87 on the daily leaderboard. Most pronunciation apps upload your voice to a server and hand you one vague score. Bombo does the opposite. Say a sentence and every individual sound is scored in about a second, fully on-device: recordings never leave your iPhone and lessons work in airplane mode. Tap any sound to hear a native speaker, then retry. 1,016 exercises across 24 levels, plus daily practice rebuilt from your own mistakes. One full lesson free every day, forever.
Bombo was featured in iOS (110.5k followers), Education (78.8k followers) and Artificial Intelligence (473.1k followers) on Product Hunt. Together, these topics include over 172.8k products, making this a competitive space to launch in.
Who hunted Bombo?
Bombo was hunted by Bünyamin Mete. A “hunter” on Product Hunt is the community member who submits a product to the platform — uploading the images, the link, and tagging the makers behind it. Hunters typically write the first comment explaining why a product is worth attention, and their followers are notified the moment they post. Around 79% of featured launches on Product Hunt are self-hunted by their makers, but a well-known hunter still acts as a signal of quality to the rest of the community. See the full all-time top hunters leaderboard to discover who is shaping the Product Hunt ecosystem.
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Bünyamin Mete