100+ iOS apps curated and reviewed
With an average user rating of 4.4β , the sandboxx letter category is one of the App Store's strongest. Browse all 100+ apps we track, sorted so the most loved ones surface first.
| # | App | Price | Rating | Ads | In-App Purchases | Updated |
|---|---|---|---|---|---|---|
| 1 |  | Free | 4.9β (171K) | No | No | Aug 2026 |
| 2 |  | Free | β | Yes | No | May 2026 |
| 3 |  | Free | 3.5β (2) | Yes | No | May 2026 |
| 4 |  | Free | 4.2β (19) | Yes | Yes | May 2026 |
| 5 |  | Free | 2.8β (12) | No | No | Aug 2026 |
| 6 |  | Free | β | Yes | No | May 2026 |
| 7 |  | Free | 4.2β (27) | Yes | Yes | Jul 2026 |
| 8 |  | Free | 4.1β (14) | No | Yes | Aug 2026 |
Easily send digital letters, photos, and gift cards to service members in basic training and beyond. Receive weekly training updates and access military news and products. Developed by veterans to support the military community.
This app provides over 400 free letter and application templates for students and professionals. It covers various categories, including social invitations, job offers, and business agreements, with features for sharing, bookmarking, and searching.
Learn the art of letter writing with this comprehensive guide. Explore various formats, templates, and tips for crafting effective letters for personal and professional occasions. Improve your communication skills with practical examples and advice.
This app provides a collection of over 250 letter templates for various purposes, including formal, business, and personal correspondence. It allows users to easily edit and write letters offline, serving as a helpful tool for students, employees, and business professionals.
Easily create professional business and personal letters with automatic formatting. Store and import contacts, and export your documents in various formats like PDF or Word. Sync projects across devices with an account.
Connect with strangers through thoughtful, slow-paced letter exchanges. Share your stories, decorate envelopes, and discover new friendships in a private, text-based environment.
Effortlessly write, format, and send letters with customizable templates. Scan and digitize incoming mail for easy organization and retrieval. Supports attachments and mail merges.
Compose and send virtual snail mail, with a focus on the joy of anticipation. Track physical letters and write to your future self. Enjoy a calm, curated experience with beautiful stationery and a unique postage system.
Easily create, format, and print professional-looking letters. Enhance your writing with an AI assistant, add personalized signatures, and utilize diverse templates. Sync your work across devices and share digitally or as PDFs.
Stay informed with military news, defense analysis, and national security updates. This app delivers breaking stories, expert reporting, and video briefings tailored for the military community and defense enthusiasts.
Experience the joy of sending and receiving physical letters in a digital format. This app offers a unique, non-instant communication method where delivery times vary by distance, encouraging thoughtful exchanges. Customize your messages with different fonts and paper colors, and track your letters' journey.
Create professional, branded letterheads for your business or freelance work. This app offers customizable templates, a rich text editor, and the ability to add signatures. Easily save, print, or share your finished letterheads as PDF documents.
Create professional printed letters directly from your iPhone. Choose from 12 templates and customize layout, fonts, and letterheads for various formal and personal correspondence needs. Save addresses and export as PDF or print via AirPrint.