Archibald: AI mentor

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About this app

Archibald is an AI mentor and accountability coach who turns your goals into daily habits, keeps the count and writes to you first. Picture an old-fashioned butler with a notebook: polite, plain-spoken and thoroughly unimpressed by excuses.

Most habit trackers wait for you to open them, which is exactly why they get ignored. Archibald is an accountability partner who does not wait. He picks the hour, sends the message and asks whether you did what you said you would do.

HOW HE KEEPS YOU ACCOUNTABLE
• Goals become daily habits. Tell him what you want to change and he turns it into habits you can keep, then keeps the count.
• He writes first. Early in the morning, after something you mentioned or late in the evening, and never like clockwork. A schedule is easy to ignore. He is not.
• He remembers. What you told him in March comes back in April, joined to whatever you are avoiding now. Your goals, your habits and the small things you mention in passing stay in his notes.
• Tough love and motivation. Some days it is encouragement, some days it is not. He has heard every excuse procrastination can come up with, and none of them make him unkind.
• He stays out of your day. Mention coffee with a friend at four and four o'clock stays quiet. Afterwards he asks how it went.
• Reminders when you ask. Ask him to remind you of something and he will.

YOU SET THE PACE
• Chattiness: Quiet (1-2 messages a day), Normal (2-5) or Big texter (5-10).
• Do not disturb: name the hours he must not write in, and he will not. When you write to him, he answers at any hour.
• Use "Forget this" on anything you would rather he never brought up again, or "Clear my data" to erase everything.

NO ACCOUNT, NO SIGN-IN
Open the app and he is there. No sign-up, no email address, no password. The notes he keeps about you are used only in your own conversation, and he never draws on anyone else's.

HE SPEAKS YOUR LANGUAGE
The app comes in 24 languages, and Archibald speaks a great many more. He replies in whatever language you write to him in.

BUILD THE HABITS THAT MATTER TO YOU
Think of him as a habit tracker you can chat with, a goal tracker, or an AI life coach for motivation, productivity and self-improvement. Bring him a goal such as going to the gym, sleeping better, studying, reading more, meditating or learning a language. Or bring him the harder ones: beating procrastination, building self-discipline, keeping a morning routine and staying focused.

FREE, WITH OPTIONAL PREMIUM
Archibald is free to use, with a limit on replies that resets on its own. Premium is an optional monthly subscription that renews automatically, and you can cancel it any time in Google Play. It adds unlimited messages, puts your replies first when he is busy, and lets him draw on more of your life in every reply.

WHAT HE IS
Archibald is a mentor persona powered by an AI language model, not a person. He is direct and plain-spoken, and he is not a substitute for a doctor, a therapist or anyone else you may need.
AI mentor who turns your goals into daily habits and holds you to them.
Updated on
Sep 17, 2026

Data safety

Safety starts with understanding how developers collect and share your data. Data privacy and security practices may vary based on your use, region, and age. The developer provided this information and may update it over time.
  • No data shared with third parties
    Learn more about how developers declare sharing
  • This app may collect these data types
    Location, Personal info and 6 others
  • Data is encrypted in transit
  • You can request that data be deleted

What’s new

- Improved AI intelligence for replies
- Bug fixes
Content rating
Everyone
In-App Purchases
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App support

About the developer
Arnold Gabriel Balasescu
digitalcosmos.android@gmail.com
Passeig de Lluís Companys, 12, 6, 2 43850 Cambrils Spain

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