Jack: Offline AI Assistant

All Versions of Jack: Offline AI Assistant

• 
  0.9(12)This is the latest versionLatest

  XAPK

  Oct 15, 202652.8 MBAndroid 8.0+What's New
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  What's new in the version 0.9

  Updated on Oct 15, 2026

  • Pick what Jack is for: answers & writing, or phone actions. Each model says what it's best at.
  • Downloads keep going when you leave Jack, with progress in a notification.
  • Setup resumes after interruptions, checks storage and data, and offers the free trial in one tap.
  • Smaller install: offline facts download separately.
  • If Android closes Jack mid-reply, you'll see it and can retry.
  • Jack no longer says it did a phone action it couldn't do.
  • Follows your phone's light or dark theme.

• 
  0.8.2(11)

  XAPK

  Oct 9, 2026187.8 MBAndroid 8.0+What's New
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  What's new in the version 0.8.2

  Updated on Oct 9, 2026

  • Important notices about Jack can now appear in the app, such as a reminder to update. Nothing about you is sent.
  • Safer generation limits can be applied quickly if a problem is found.
  
  Existing purchases and supporter access are preserved.

• 
  0.8(9)

  XAPK

  Oct 7, 2026171.3 MBAndroid 8.0+What's New
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  What's new in the version 0.8

  Updated on Oct 7, 2026

  • Live streaming with more reliable chat history and follow-up context.
  • Unchanged edits retry once, then explain the limitation.
  • Context usage ring and rolling memory; Back opens a fresh chat.
  • Thinking display on by default and clearer generation settings.
  • Targeted protections and support for serious harm concerns.
  • Clearer chat formatting and eligible-offer checkout improvements.
  
  Existing purchases and supporter access are preserved.

• 
  0.7(8)

  XAPK

  Sep 15, 2026187.6 MBAndroid 8.0+What's New
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  What's new in the version 0.7

  Updated on Sep 15, 2026

  Jack now includes a 7-day trial of the complete app, then a one-time unlock for chat, models, phone actions and advanced controls. No subscription or automatic charge. See your local price before setup; your trial starts only after your model is ready. Saved chats remain readable and exportable after the trial. Early supporters keep the complete app free, with no expiry. Existing purchases keep full access.

• 
  0.4(4)

  XAPK

  Jul 23, 2026115.8 MBAndroid 8.0+What's New
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  What's new in the version 0.4

  Updated on Jul 23, 2026

  jack's model got smarter: better answers to everyday questions, same careful actions. model updates now install in the app, no reinstall needed. long-press any message to copy it.

• 
  0.3(3)

  XAPK

  Jun 30, 2026115.8 MBAndroid 8.0+What's New
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  What's new in the version 0.3

  Updated on Jun 30, 2026

  new: the tuned jack model. built for this app, it now sits at the top of the model list and is the recommended pick on most phones. it's best at taking actions, and at asking a quick question when it's unsure instead of guessing.
  
  also in this update: more accurate recall of past chats (opt-in, under experimental), a calculator fix, settings reorganized into general / models / advanced, and a cleaner assist overlay.