Best King County Apps

248+ iOS apps curated and reviewed

4.4 avg rating
20 free apps
Updated August 2026

Out of 248+ king county apps on iOS, 20 are free and the rest sit in the paid tier. This page sorts them so you can compare both sides before you commit.

Compare top King County Apps (August 2026)

#AppPriceRatingAdsIn-App PurchasesUpdated
1Transit GO TicketTransit GO TicketFree4.5β˜… (19K)NoNoSep 2026
2KCLSKCLSFree3.9β˜… (16)NoNoSep 2026
3Metro FlexMetro FlexFree4.6β˜… (1K)NoNoSep 2026
4King County ParksKing County ParksFree5.0β˜… (2)NoNoAug 2026
5OneBusAwayOneBusAwayFree4.8β˜… (124)NoNoSep 2026
6King County Flood WarningKing County Flood WarningFree3.7β˜… (3)NoNoMay 2026
7King County EMS Protocol BookKing County EMS Protocol BookFree5.0β˜… (1)NoNoMay 2026
8myORCAmyORCAFree2.5β˜… (354)YesNoSep 2026

Top Picks for King County

Transit GO Ticket#1

Transit GO Ticket by Bytemark, Inc.

Editor's Choice
✈️ Travel
4.5😞(19K ratings)
Free
Transit GO Ticket screenshot 1
Transit GO Ticket screenshot 2
Transit GO Ticket screenshot 3
Transit GO Ticket screenshot 4
Transit GO Ticket screenshot 5

Purchase bus, rail, and water taxi tickets directly from your mobile device. Avoid the hassle of carrying cash and use this app for various transit services across King County and Kitsap.

What We Love

  • πŸš€ Easy to use
  • πŸ’‘ Convenient for visitors
  • πŸ‘ Works as expected

Room to Improve

  • πŸ› Crashes and bugs
  • ⚠️ Not user-friendly
  • πŸ•°οΈ Slow performance
  • 🚫 Limited payment options
  • πŸ€” Confusing functionality
KCLS#2

KCLS by King County Library System

Strong Contender
πŸ“š Books
3.9😞(16 ratings)
Free
KCLS screenshot 1
KCLS screenshot 2
KCLS screenshot 3
KCLS screenshot 4
KCLS screenshot 5
KCLS screenshot 6

Manage your library account conveniently from your mobile device. Discover new books, place holds, renew borrowed items, and easily locate library branches and their hours.

What We Love

  • πŸ‘ Easy to log in
  • πŸ‘ Fun books to read
  • πŸ‘ Excellent app
  • πŸ‘ Helpful for all ages
  • πŸ‘ Convenient for managing holds
  • πŸ‘ Convenient for managing returns
  • πŸ‘ Easy to renew books
  • πŸ‘ Easy to check due dates
  • πŸ‘ User-friendly interface
  • πŸ‘ Pleasing to the eye
  • πŸ‘ Easy to navigate
  • πŸ‘ Easy to search for known books
  • πŸ‘ Essential app
  • πŸ‘ Very convenient
  • πŸ‘ Well designed and implemented
  • πŸ‘ Can check books out
  • πŸ‘ Can hold books
  • πŸ‘ Works great
  • πŸ‘ Much improved from older version

Room to Improve

  • πŸ› Unreliable app
  • πŸ› Constant sign in issues
  • πŸ› Failed sign in attempts count against user
  • πŸ› Return book function doesn't work
  • πŸ› Search bar coded too narrowly
  • πŸ› No notifications for holds ready
  • πŸ› App times out
  • πŸ› Bookshelf features show blank
  • πŸ› Glitching frequently
  • πŸ› Kicks user out
  • πŸ› Won't accept card or passcode
  • πŸ› System errors after login prompts
  • πŸ› Search results blank
  • πŸ› Borrowing tab won't show books
  • πŸ› Opening a book doesn't work
  • πŸ› App crashes when viewing 'For Later' shelf
  • πŸ› App loads website in all views
  • πŸ› Navigation is a mess
  • πŸ› Wasted space
  • πŸ› Hard to find things
  • πŸ› App gets worse with each update
  • πŸ› Developers lack common sense
  • πŸ› Borrowing section takes long to load
  • πŸ› Borrowing section often blank
  • πŸ› App not reliable
  • πŸ› App didn't resize on iPad
  • πŸ› App remains small on iPad
  • πŸ› Confusing new UI
  • πŸ› Horrid update
  • πŸ› New version doesn't let you search by genre
  • πŸ› New version doesn't let you search by type of item
  • πŸ› App bounces user to multiple other apps
  • πŸ› Forces multiple sign-ins
  • πŸ› Doesn't work in the end
  • πŸ› Completely useless
  • πŸ› Confusing vocabulary
  • πŸ› Counterintuitive product
  • πŸ› Horrible new update
  • πŸ› App is slow
  • πŸ› Cumbersome new version
  • πŸ› Less visually attractive new version
  • πŸ› Missing 'On Order' filter
  • πŸ› Lacks website functionalities
  • πŸ› Awful new version
  • πŸ› Not visual
  • πŸ› Not user friendly
  • πŸ› Worst App ever
  • πŸ› Missing 'Just Ordered' option
  • πŸ› Useless to user
  • πŸ› Landing page shows holds, not borrowed
  • πŸ› Takes long to open Borrowing page
  • πŸ› Real drag to wait every time
  • πŸ› Easier to use browser version
  • πŸ› Black bars on top and bottom of iPhone X screen
  • πŸ› App is adequate at best
  • πŸ› App is unloved compared to website
  • πŸ› Design is outdated
  • πŸ› Keyboard and popup windows target non-Retina devices
  • πŸ› App forced into portrait on iPad
  • πŸ› Cannot be used in landscape on iPad
  • πŸ› Does not scale to iPad screen
  • πŸ› App is almost unusable due to instability
  • πŸ› Very buggy
  • πŸ› Features to refine searches not working
  • πŸ› 'Done' button doesn't work for refinements
  • πŸ› 'Done' or 'Cancel' button doesn't work for refinements
  • πŸ› 'Refine' feature stopped working
  • πŸ› 'DONE' button for refining results isn't working
  • πŸ› App looks horrible on an iPad
  • πŸ› App keeps crashing
  • πŸ› App closes within seconds of opening
  • πŸ› App tells user something's on hold when it's not
  • πŸ› Lag with dialogue boxes
  • πŸ› Invalid Patron Access error
  • πŸ› App had a bunch of issues initially
  • πŸ› App won't stay open
  • πŸ› Redirected to mobile website for holds
  • πŸ› Redirected to mobile website for ebooks
  • πŸ› Slow when placing a hold
  • πŸ› Slow when checking account
  • πŸ› Difficulties with logging in/out
  • πŸ› Difficulties with changing accounts
  • πŸ› Can't suggest authors
  • πŸ› Can't recommend other books in a series
  • πŸ› Doesn't mark books read through Overdrive app
  • πŸ› New version is confusing
  • πŸ› New version is slow
  • πŸ› New UI very difficult to use
  • πŸ› Can't listen to audiobooks through Apple Music
  • πŸ› App gets worse with each update
  • πŸ› Developers don't have common sense
  • πŸ› App times out
  • πŸ› Bookshelf features show blank
  • πŸ› Glitching frequently
  • πŸ› Kicks user out
  • πŸ› Won't accept card or passcode
  • πŸ› System errors after login prompts
  • πŸ› Search results blank
  • πŸ› Borrowing tab won't show books
  • πŸ› Opening a book doesn't work
  • πŸ› App crashes when viewing 'For Later' shelf
  • πŸ› App loads website in all views
  • πŸ› Navigation is a mess
  • πŸ› Wasted space
  • πŸ› Hard to find things
  • πŸ› App gets worse with each update
  • πŸ› Developers lack common sense
  • πŸ› Borrowing section takes long to load
  • πŸ› Borrowing section often blank
  • πŸ› App not reliable
  • πŸ› App didn't resize on iPad
  • πŸ› App remains small on iPad
  • πŸ› Confusing new UI
  • πŸ› Horrid update
  • πŸ› New version doesn't let you search by genre
  • πŸ› New version doesn't let you search by type of item
  • πŸ› App bounces user to multiple other apps
  • πŸ› Forces multiple sign-ins
  • πŸ› Doesn't work in the end
  • πŸ› Completely useless
  • πŸ› Confusing vocabulary
  • πŸ› Counterintuitive product
  • πŸ› Horrible new update
  • πŸ› App is slow
  • πŸ› Cumbersome new version
  • πŸ› Less visually attractive new version
  • πŸ› Missing 'On Order' filter
  • πŸ› Lacks website functionalities
  • πŸ› Awful new version
  • πŸ› Not visual
  • πŸ› Not user friendly
  • πŸ› Worst App ever
  • πŸ› Missing 'Just Ordered' option
  • πŸ› Useless to user
  • πŸ› Landing page shows holds, not borrowed
  • πŸ› Takes long to open Borrowing page
  • πŸ› Real drag to wait every time
  • πŸ› Easier to use browser version
  • πŸ› Black bars on top and bottom of iPhone X screen
  • πŸ› App is adequate at best
  • πŸ› App is unloved compared to website
  • πŸ› Design is outdated
  • πŸ› Keyboard and popup windows target non-Retina devices
  • πŸ› App forced into portrait on iPad
  • πŸ› Cannot be used in landscape on iPad
  • πŸ› Does not scale to iPad screen
  • πŸ› App is almost unusable due to instability
  • πŸ› Very buggy
  • πŸ› Features to refine searches not working
  • πŸ› 'Done' button doesn't work for refinements
  • πŸ› 'Done' or 'Cancel' button doesn't work for refinements
  • πŸ› 'Refine' feature stopped working
  • πŸ› 'DONE' button for refining results isn't working
  • πŸ› App looks horrible on an iPad
  • πŸ› App keeps crashing
  • πŸ› App closes within seconds of opening
  • πŸ› App tells user something's on hold when it's not
  • πŸ› Lag with dialogue boxes
  • πŸ› Invalid Patron Access error
  • πŸ› App had a bunch of issues initially
  • πŸ› App won't stay open
  • πŸ› Redirected to mobile website for holds
  • πŸ› Redirected to mobile website for ebooks
  • πŸ› Slow when placing a hold
  • πŸ› Slow when checking account
  • πŸ› Difficulties with logging in/out
  • πŸ› Difficulties with changing accounts
  • πŸ› Can't suggest authors
  • πŸ› Can't recommend other books in a series
  • πŸ› Doesn't mark books read through Overdrive app
  • πŸ› New version is confusing
  • πŸ› New version is slow
  • πŸ› New UI very difficult to use
Metro Flex#3

Metro Flex by Via Transportation, Inc.

On-demand rides in King County
Worth Considering
✈️ Travel
4.6😐(1K ratings)
Free
Metro Flex screenshot 1
Metro Flex screenshot 2
Metro Flex screenshot 3
Metro Flex screenshot 4

This app provides on-demand transit within a designated service area. Book a ride from your phone and get picked up at a nearby corner for the same price as a bus trip. Enjoy convenient and fast transportation.

What We Love

  • πŸš€ Convenient and helpful service
  • πŸ‘ Kind and punctual drivers
  • πŸ’‘ Affordable transportation option
  • πŸ‘ Easy to use app

Room to Improve

  • πŸ› Unreliable app with glitches
  • ⏱️ Long wait times and unpredictable arrival times
  • πŸš— Not enough drivers/vehicles to meet demand
  • πŸ—ΊοΈ Limited service area coverage

More King County apps to explore

FAQ about King County

What are the best king county apps for iPhone?
Transit GO Ticket tops our king county apps ranking as of August 2026, with a 4.5-star average from 19K App Store ratings, and it's free to download.
Yes β€” 20 of the top king county apps we rank are free to download, including Transit GO Ticket and KCLS.
Transit GO Ticket has no ads and has no in-app purchases, according to its App Store listing as of August 2026.
We track 248+ king county apps on the iOS App Store as of August 2026, ranked by rating, recency, and analysis of real user reviews.
The app allows you to buy tickets for various transit services including King County Metro Buses, Sound Transit Express Bus, Light Rail and Sounder trains, King County Water Taxi, Seattle Streetcar, and Kitsap Transit routed buses and fast ferry.
No, the primary benefit of the Transit GO Ticket app is to eliminate the need to carry cash for transit fares. You can purchase all your tickets directly through your mobile device.

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