Letterbox: Open When Letters
Not in any tracked top chart right now.
Updated 24 Oct 2026 · rankings refresh through the day
DeveloperSajjad Alhusseini
CategoryBooks
PriceFree
Released
Rating★ 5.0 (3)
Version1.0.4
Age rating4+
First seen by us
29 Sep 2026
29 Sep 2026Installs (est.)500+ worldwide
Rating
5.0 ★
3 ratings
Measured
Letterbox: Open When Letters on the App Store
App details
App ID
6736516126
Publisher
Sajjad Alhusseini
On the store since
Oct 2024
2 years on the store
Minimum OS
iOS 17+
iPhone XS and later
Devices
iPhone · iPad
Content rating
4+
Languages
1
EN
Size
22 MB
Also listed in
Books
Letterbox: Open When Letters downloads
Worldwide, per day, and installs to date. The band is open; the exact number is free with an account.
How this is calculated
Apple publishes no download counts. iPhone downloads come from chart positions and daily rating growth per country, calibrated on Google Play install counts; lifetime installs from ratings worldwide × installs per rating. Confidence is the chance the real number is within half to double ours.
Active users
All platforms, worldwide. Free with an account.
Stickiness (DAU / MAU)
how many monthly users open it on a given day
How this is calculated
Monthly users come from lifetime installs across every store, fitted on monthly active user figures companies publish; daily users = monthly × the typical daily/monthly ratio for the category. Confidence is the chance the real number is within half to double ours.
Where it ranks now
Every top chart it appears in across 30 countries.
| Country | Charts | Rank |
|---|---|---|
| Not charting right now. | ||
Ratings
App Store, worldwide.
Rating
5.0 ★
3 ratings
Measured
Ratings
3
Measured
About Letterbox: Open When Letters
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.
You can also pair with your partner to continue sending each other letters and getting more func couples features 3>
Terms of use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/
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.
You can also pair with your partner to continue sending each other letters and getting more func couples features 3>
Terms of use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/
Latest updates
1.0.4
- This new version adds more couples features to Letterbox!
