Khio
Compare
Gemini is Google's assistant, at its best inside Gmail, Calendar, Photos and Search. Khio is the friend in your iPhone's Messages who texts you first and keeps you on track with the gym, food, habits and school.
Checked 12 October 2026. A cross means Gemini 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 Khio wrote this page; if anything here is out of date, tell us through support and we will fix it.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 | Gemini | |
|---|---|---|
| Texting it | ||
| Text it on iMessage | From a real phone number, like a friend | Texting it needs Google Messages on Android |
| Nothing to install | No app or sign-up form to start | Works in a browser |
| Texts you first | Morning and evening check-ins, follow-ups, a weekly recap | Daily Brief on paid plans; scheduled actions |
| 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 | Gemini Live voice; voice memo files not mentioned |
| A friend who knows you | ||
| Someone to talk to | Vent, think out loud, or ask it to just listen | A productivity assistant that allows casual chat |
| Remembers your life | Long-term memory, on the Free plan | Learns from past chats; 18 and over |
| Keeps you on track | ||
| Gym coach and PRs | Builds your routine, logs sets by text, flags every PR | A separate Health Coach app on AI Pro and Ultra |
| 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 | Sleep coaching in that separate app; no cycle or budget |
| Reminders by text | One-off and recurring, at the exact time you ask | Google Tasks reminders |
| Apple Health | Steps, workouts, heart rate, sleep and weight, in the iPhone app | Only the separate Google Health app |
| School | ||
| Study from your own notes | Flashcards and a practice test from your own notes | Practice quizzes from your class notes |
| Price | ||
| Free to start | Free plan. Pro is $14.50 a month with a 7-day free trial | Free plan; Google AI Plus $4.99 a month |
Pick Gemini if your life runs on Google. It ties into Gmail, Calendar, Photos, YouTube and Search, makes practice quizzes from class notes, and has a free plan with Google AI Plus at $4.99 a month. On Android you can even text it in Google Messages.
Pick Khio if you have an iPhone and want an AI that lives in your Messages. It texts from a real number on iMessage, checks in morning and evening, joins your group chats, plays GamePigeon, logs your sets and counts calories from a photo. Free to start; Pro is $14.50 a month.
No. Google says texting Gemini works in Google Messages and needs an Android phone. Khio texts from a real phone number over iMessage, so iPhone users can text it like any contact.
Google's fitness and sleep coaching lives in a separate Google Health Coach app, included with AI Pro and Ultra. Khio logs your sets, flags personal records, counts calories from a photo and tracks habits in the same thread you chat in.
Both turn your notes into practice. Gemini makes quizzes from uploaded class notes. Khio makes a study Keep from your notes, with a flashcard drill, a practice test that marks itself and a tutor for anything you highlight, and it texts you before your exams.
More comparisons: every assistant side by side.