He built his own teleprompter-style audio recorder after existing apps fell short

michalmalewicz · x · 2026-10-21

Developer michalmalewicz needed to record many short audio clips for his breathing app, but existing recording apps had clunky interfaces unsuited to the task.

So he built his own tool: the script auto-scrolls on the side like a teleprompter, with phrases pre-marked by phase and duration (e.g. 0.6s / 1s units), while a waveform editor sits on the left. A classic build-your-own-tool case study for anyone batch-recording voiceover material.

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