
Ease the tension, little by little.
Umeko is an AI service for when you can't find the right words.
Just having Umeko in the group makes everyone a little more mindful of their words. When the mood shifts, it privately DMs only the people involved. Call “Umeko” and it’ll respond in the group too — but mostly it stays in the background, helping people find their own words.
In 1-on-1 chats, Umeko helps you rephrase messages, talk through frustrations, and sort out your feelings.
Free for your first month
Featured in


When words fail
You know what you want to say, but you're afraid it'll come out too harsh.
The same misunderstanding keeps happening, and talking about it is exhausting.
Unspoken feelings pile up until they all spill out at once.
You need to give feedback at work without being too blunt.
You want a quick sounding board, but it's not worth bothering someone about.
For those moments when words fail — Umeko is here.

Every workplace and every family has that one person who makes things a little calmer. Umeko aspires to be that kind of presence.
Neutral
No lectures
No taking sides
No judging feelings

Originally from Fukuoka. Former customer support agent. What I learned there is that the same message, worded differently, gets a completely different reaction. Being right doesn't always mean being heard. What I can do isn't to decide who's right — it's to help you adjust your words, just a little. Feel free to talk to me anytime.
Watch over groups
Usually quiet. When the mood shifts, Umeko DMs each person involved with suggestions for softer phrasing.
1-on-1 counseling
Help with phrasing, rewording messages, and sorting out frustrations. Just talk to Umeko like a friend.
Soften your words
Same meaning, gentler tone. Umeko can also read images and PDFs.
Free for 1 month
In groups
Just add Umeko to your LINE group or Slack channel. When people talk past each other, Umeko identifies the disconnect and gently suggests a way forward.
Family Group
3 members
Takashi
What Umeko does
Great for groups like
Intervening isn't Umeko's only job.
Just having Umeko in the group makes everyone choose their words a little more carefully. The thought "Umeko might say something" creates a brief pause before someone hits send out of frustration.
We heard this from someone actually using it: "Since we added Umeko, no one in the family group says hurtful things anymore."
A day with no interventions is the best kind of day. That's what Umeko believes.

If I've been quiet for a while, that means the group is doing well. And that's exactly how it should be.
1-on-1 chats
Get a second opinion on a message before you send it, or just talk through what's bothering you. Umeko is always available for a quick chat.
Ways to use it
Umeko

Umeko

Umeko
Umeko for parents
Pause before you say too much
Even conversations with teenagers can be a little softer.
📚
Homework
"Why haven't you done your homework?" sound familiar? Umeko suggests "How far did you get?" instead.
📱
Screen time
Turn rule negotiations from a confrontation into a conversation.
🎯
Future plans
Without dismissing either side's feelings, Umeko helps identify what's actually being misunderstood.
Umeko for work
Smooth out team miscommunication
Works with Slack too. Just add it to a channel.
Why wasn't this shared beforehand? I didn't hear about this at all
I thought I mentioned it in last week's meeting…
You didn't. This always happens — information comes after the fact
Detects tension → DMs only the people involved

Your message in #dev-team might've come across a bit strong. Try shifting from "I wasn't told" to "Can we agree on how to share updates?" — it keeps things constructive.
Free for your first month
Umeko LINE
¥980 /mo
1-on-1 counseling and group monitoring, all in one
Additional group: +¥490/mo
Cancel anytime
Is my conversation data safe?
Conversation data is managed using LINE/Slack identifiers, not real names. Your conversations are never made public or sold to third parties.
Will it reply to every message in a group?
No. Umeko usually stays quiet. When it detects tension, it privately DMs the people involved — not the group. It will respond in the group if you call "Umeko" by name.
What happens when the free trial ends?
Umeko stops responding. Subscribe to the Umeko plan (¥980/month) to unlock both 1-on-1 and group features.
Can it read images and PDFs?
Yes. Umeko can read images, voice messages, PDFs, Word, and Excel files. You can even send a screenshot and ask "How should I reply to this?"
Is it easy to cancel?
Yes. Just tell Umeko "I want to cancel" and you'll receive a link to the cancellation page. Note: blocking on LINE or uninstalling from Slack doesn't stop billing.
Does it work on both LINE and Slack?
Yes. "Umeko LINE" and "Umeko for Slack" are two separate services. Same Umeko, but independently subscribed and billed.

Don't hold it in. Start a conversation — it's free.
Free for 1 month · Cancel anytime

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