Echo vs Apple Translate
Apple Translate ships with iOS, works offline for supported pairs and costs nothing. Echo actually uses Apple's on-device speech and translation when the device and language pair support it. So the question is not which engine is better — it is what sits around the engine.
What Apple Translate covers
- Free, built in, and private — supported pairs run entirely on device.
- Conversation mode for a two-way chat at a table.
- System-wide text translation in Safari and other apps.
What it does not do
- It cannot capture another app's audio through Screen Broadcast, so it can't caption a livestream you are watching.
- It has no persistent floating overlay for continuous captions.
- It has no K-pop vocabulary — idol names, group names and fandom terms get generic treatment.
- It offers no saved caption history to scroll back through after a stream.
What Echo builds on top
- Audio mode for livestream capture, with a picture-in-picture caption overlay.
- Screen mode for messages, posts and menus; Around Me for the room.
- A ~770-term K-pop glossary pinned across every mode.
- On-device translation first, with Microsoft Azure AI Speech & Translator only for pairs the device cannot handle.
- Local history, one-tap deletion, and separate 繁體中文 / 简体中文 targets.
Which should you use
For a menu, a sign or a short conversation, Apple Translate is already on your phone and perfectly good. For watching Korean lives with names that stay correct, Echo is the layer Apple Translate does not provide.
Answers, before you ask.
Does Echo just wrap Apple Translate?
No. Echo uses Apple's on-device speech and translation where supported, but adds livestream audio capture, a floating caption overlay, a K-pop glossary and cloud fallback via Microsoft Azure for pairs the device cannot handle.
Can Apple Translate caption a Weverse live?
No. It cannot capture another app's audio through Screen Broadcast, so it has no way to caption a stream you are watching.