
About
This app offers a peaceful escape from instant messaging by providing a platform for traditional letter writing and journaling. It emphasizes thoughtful communication, allowing users to send letters that take time to arrive and express themselves through a digital diary.
What's New in CorLet
3.1.0
September 7, 2026
What’s New - Enhanced Letter Experience: Added letter favoriting and batch deletion; tap stamp cards on special letters to view user profiles; postcards now support theme colors and custom back printing. - New Daily Log & Stamps: Introduced a revamped daily logging feature with photo stickers and daily feather check-ins; added a complete content stamp system with dynamic effect optimizations. - Scan & Digital Mail: Added local scan previews and ink scan capabilities, significantly improving the digital letter reading experience. - Homepage & Interface Refinements: Redesigned core homepage modules with collapsible editor sections; enhanced community browsing. Bug Fixes & Performance Enhancements - Fixed an issue where the homepage inbox could unexpectedly navigate to letter view in certain states. - Resolved system animation compatibility issues causing sticker and stamp visual glitches on select devices. - Optimized responsive layouts, image loading speeds, and localized text displays.
MoreIn-App Purchases
$3.99
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FAQ
What is CornerLetter?
CornerLetter is a social networking app designed for slow, asynchronous communication through digital letters and journaling. It aims to provide a peaceful alternative to instant messaging, encouraging thoughtful expression and connection.
How does the slow mail feature work in CornerLetter?
Delivery times for letters in CornerLetter depend on the geographical distance between penpals, mimicking traditional mail. This feature is designed to build anticipation and make the waiting process a part of the experience.
Can I customize my letters in CornerLetter?
Yes, CornerLetter allows you to customize your letters by selecting textured stationeries, adding custom postmarks, and even attaching background melodies to enhance the writing experience.
What are the benefits of the Corner Plus subscription?
Corner Plus offers premium features such as unlimited writing, in-depth letter analysis for deeper connections, advanced country/region filters for finding penpals, and exclusive in-app items like Undo Cards and Double Daily Gifts.
How do I cancel my Corner Plus subscription?
You can cancel the auto-renewal of your Corner Plus subscription at any time by navigating to your Apple ID Account Settings. Ensure cancellation occurs at least 24 hours before the current subscription period ends.
Is CornerLetter safe and private?
CornerLetter is designed to be a safe and private space for users to write down their feelings and find inner peace. The app is minimalist and ad-free, focusing on a secure writing experience.
What devices is CornerLetter available on?
CornerLetter is available on iPhone, iPad, and iPod. It is rated for users aged 17 and older.
How often is CornerLetter updated?
The latest version of CornerLetter is 2.1.9, and it was last updated on May 10, 2026. This indicates a commitment to ongoing development and improvements.




