About this app
Letterbox lets you send cute letter boxes to your friends and/or partner. You can customize letters by choosing their colors and fonts or by attaching an image. Use letterbox to make "Open When" letters for your loved ones. Terms of use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/
Latest release
What’s New
Version 1.0.3
Nov 4, 2025
Bug fixes and improvements.
Audience growth
Ratings growth
7-day gain
+0
Ratings / day
0.0
30-day gain
+0
Baseline captured. Growth appears after the crawler observes a changed rating count.
Momentum comes from crawler snapshots for the tracked storefront. “Viral growth signal” means unusually fast recent rating gains; it is an indicator, not download data.
Price tracking
Price intelligence
Current
Free
Historical low
Free
Paid → free
0×
- First observed Aug 15, 2026 · 6:31 PM Free
Screenshots
