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Best United States Post Office Apps

250+ iOS apps curated and reviewed

4.2 avg rating
20 free apps
Updated September 2026

Every iPhone needs a few good united states post office apps. We benchmark 250+ of them on App Store rating, freshness, and pricing, then surface the standouts so you don't have to scroll the App Store yourself.

Compare top United States Post Office Apps (September 2026)

#AppPriceRatingAdsIn-App PurchasesUpdated
1USPS Mobile®USPS Mobile®Free4.8★ (1.6M)NoNoSep 2026
2Informed Delivery® MobileInformed Delivery® MobileFree4.7★ (2.9K)NoNoSep 2026
3MailMailFree4.6★ (4.4M)NoNoSep 2026
4U. S. Postal Service FCUU. S. Postal Service FCUFree4.8★ (1K)NoNoSep 2026
5The Office BOSS Shipping KioskThe Office BOSS Shipping KioskFree—NoNoSep 2026
6UPSUPSFree4.6★ (1.1M)NoNoSep 2026
7Indian Post InfoIndian Post InfoFree5.0★ (1)NoNoMay 2026
8Hongkong PostHongkong PostFree3.0★ (3)NoNoAug 2026

Top Picks for United States Post Office

USPS Mobile®#1

USPS Mobile® by United States Postal Service

Editor's Choice
💼 Business
4.8😞(1.6M ratings)
Free
#37in Business
USPS Mobile® screenshot 1

Manage your mail and packages on the go. Track shipments, calculate postage, find nearby postal locations, and schedule pickups. Access digital mail previews and request mail holds for convenient postal services.

What We Love

  • 🚀 Lightning-fast app
  • 🔒 Robust security features
  • 👍 Convenient for tracking packages
  • 💡 Helpful informed delivery feature

Room to Improve

  • 🐛 Buggy and glitchy
  • 🔄 Constantly redirecting to website
  • 🤔 Confusing user interface
  • 🔍 Lacking package management features
Informed Delivery® Mobile#2

Informed Delivery® Mobile by United States Postal Service

View your USPS mail & packages
Strong Contender
💼 Business
4.7😊(2.9K ratings)
Free
#3in Business
Informed Delivery® Mobile screenshot 1
Informed Delivery® Mobile screenshot 2
Informed Delivery® Mobile screenshot 3
Informed Delivery® Mobile screenshot 4
Informed Delivery® Mobile screenshot 5
Informed Delivery® Mobile screenshot 6

Preview your mail and packages before they arrive with daily notifications. See grayscale images of letter-sized mail and get USPS tracking updates for packages. Interact with digital content linked to your mail.

What We Love

  • 👍 Thoughtfully designed and user-friendly
  • 🚀 Efficient and fast app experience
  • 💡 Convenient mail and package tracking
  • 👍 Smooth and easy login

Room to Improve

  • 🐛 Address validation issues
  • 🐛 Ineligibility for Informed Delivery despite USPS website access
Mail#3

Mail by Apple

Worth Considering
📊 Productivity
4.6😐(4.4M ratings)
Free
Mail screenshot 1
Mail screenshot 2
Mail screenshot 3

Consolidate all your email accounts into a single, organized inbox. Prioritize important messages, quickly respond with smart replies, and manage your inbox efficiently with features like scheduling and snoozing. Enjoy enhanced privacy with IP address hiding and read receipt prevention.

What We Love

  • 🚀 Efficient email management
  • 🔒 Secure and private
  • 👍 Simple and intuitive interface
  • 💡 Useful categorization of emails

Room to Improve

  • 🐛 Inconsistent swipe gestures
  • 🐛 Unreliable search function
  • 🐛 Emails disappearing or not syncing properly
  • 🐛 Slow email download and loading times
  • 🐛 Buggy performance after updates

More United States Post Office apps to explore

FAQ about United States Post Office

What are the best united states post office apps for iPhone?
USPS Mobile® tops our united states post office apps ranking as of September 2026, with a 4.8-star average from 1.6M App Store ratings, and it's free to download.
Yes — 20 of the top united states post office apps we rank are free to download, including USPS Mobile® and Informed Delivery® Mobile.
USPS Mobile® has no ads and has no in-app purchases, according to its App Store listing as of September 2026.
We track 250+ united states post office apps on the iOS App Store as of September 2026, ranked by rating, recency, and analysis of real user reviews.
The USPS Mobile app provides convenient access to many popular USPS.com tools on your mobile device. You can track packages, calculate shipping prices, find nearby Post Office locations, schedule next-day pickups, and request mail holds. It also links to Informed Delivery for digital previews of incoming mail.
You can track shipments sent using services like Priority Mail® and Certified Mail®. The app allows you to nickname your shipments and sign up for text and email alerts to stay updated on their delivery status. You can also scan the barcode on shipping labels with your device's camera to recognize the shipment and store its tracking number.