Grat - Express Your Gratitude by Apero, Inc.
Send thanks by digital letters





9+ similar apps compared and reviewed
Whether you want more options like お手紙 or a completely different take on the same concept, our curated list of 9+ similar apps has you covered. Updated for 2026 with the latest ratings and comparisons.






















This app offers a collection of beautiful Japanese words and phrases, starting with each letter of the Japanese alphabet. Each word is paired with an illustration and can be heard spoken aloud. It aims to convey Japanese culture, values, and Buddhist teachings.




Record your thoughts, feelings, and daily moments to be delivered to your future self. This app offers a simple interface, a time capsule feature, customizable letter colors, and writing prompts. It's designed as a private space for personal reflection and encouragement.



