Khio
Khio
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Martin is an executive assistant you text, call or email, built around your inbox and your meetings. Khio is the friend in your Messages who texts you first and keeps you on track with the gym, food, habits and school.
Checked 12 October 2026. A cross means Martin does not offer it, or its own site, help pages and App Store listing do not say it does. Khio wrote this page; if anything here is out of date, tell us through support and we will fix it.
| Khio | Martin | |
|---|---|---|
| Texting it | ||
| Text it on iMessage | From a real phone number, like a friend | Texts by SMS; iMessage is never mentioned |
| Nothing to install | No app or sign-up form to start | Sign up on the web; the app is optional |
| Texts you first | Morning and evening check-ins, follow-ups, a weekly recap | Reaches out as it learns your workflows |
| Joins your group chats | Polls the group, lands the plan, follows up | |
| Plays GamePigeon with you | 11 GamePigeon games, free. It takes its own turns | |
| Voice memos | Voice memos and photos, right in the thread | |
| A friend who knows you | ||
| Someone to talk to | Vent, think out loud, or ask it to just listen | Talks about a relationship, sold as a productivity assistant |
| Remembers your life | Long-term memory, on the Free plan | |
| Keeps you on track | ||
| Gym coach and PRs | Builds your routine, logs sets by text, flags every PR | |
| Calories from a photo | Text a photo or what you ate; calories and macros logged | |
| Habit streaks | Checks in and nudges before the streak breaks | |
| Sleep, cycle and budget | All three, logged from plain texts | |
| Reminders by text | One-off and recurring, at the exact time you ask | By text, call, email or Slack |
| Apple Health | Steps, workouts, heart rate, sleep and weight, in the iPhone app | |
| School | ||
| Study from your own notes | Flashcards and a practice test from your own notes | |
| Price | ||
| Free to start | Free plan. Pro is $14.50 a month with a 7-day free trial | 7-day trial, then $35 a month, or $21 a month yearly |
Pick Martin if your day is meetings and email. It reaches you by phone, SMS, WhatsApp, email and Slack, can remind you with a phone call, and drafts replies and schedules meetings when you cc it. It has no free plan: a 7-day trial, then $35 a month, or $21 a month billed yearly.
Pick Khio if you want someone to talk to who also keeps you honest. It lives in iMessage, joins your group chats, plays GamePigeon, coaches you in the gym, logs calories from a photo and tracks habits, sleep and your cycle. Free to start; Pro is $14.50 a month.
Yes. Khio has a Free plan, and Khio Pro is $14.50 a month with a 7-day free trial. Martin has no free plan: after a 7-day trial its Basic plan is $35 a month, or $21 a month billed yearly.
Martin's own pages do not list workout logging, calorie tracking or habit streaks. Khio logs sets by text, flags personal records, counts calories from a photo and checks in on your habits.
Martin says you can reach it by phone call, SMS, WhatsApp, email and Slack; its pages do not mention iMessage. Khio texts from a real number over iMessage and joins iMessage group chats.
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