
Arigatou - Thank You Letter
Letters for those gone
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Free
In-App Purchases
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About
Arigatou is a notebook for letters of gratitude
to those who have passed.
To grandparents, parents, friends.
To teachers and mentors who watched over you.
The "thank you" you forgot to say, kept here forever.
WHAT YOU CAN DO
- Separate notebooks for each loved one
- Choose from anniversaries, Obon, birthdays, milestones, ordinary days
- Add a single photo to anchor the memory
- Start with 48 writing cues across six occasions
- Hato, the white dove, carries each letter into the light
- Everything stays on your device. Truly private.
WHEN TO USE
- As anniversaries approach
- On Obon or birthdays, when words rise up
- On any quiet day when you remember them
PRO FEATURES (One-time purchase)
- Unlimited people (Free: 1)
- Unlimited letters (Free: 10 total)
- Export letters as PDF
The price is shown in the App Store. One-time purchase. Yours forever.
PRIVACY
All data stays on your device. No external transmission.
No account required.
Support: w-yonamine@starcrown.co.jp
Privacy: https://starcrown.co.jp/privacy
Terms (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/
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What's New in Arigatou
1.2.10
August 24, 2026
Expanded the writing-cue library to 48 prompts and added Pro PDF export and sharing from the letter list. Pro descriptions now match the available features.
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In-App Purchases
$1.99
Arigatou Cookie Tip
A small tip to support development.

