Comparison

flySEA vs Green CarShare

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

flySEA

Navigate your airport experience with ease. Find the shortest security lines, locate dining and shopping, and discover amenities. Get real-time flight updates and ground transportation information to make your journey smooth.

Highlights
  • TSA security checkpoint wait times
  • Parking spot reminder
  • Airport directory and map
  • Explore amenities
  • Find your flight and gate
  • Ground transportation information
Features
Read full description

The Sea-Tac app will help you get to your gate calm, cool and collected! Whether you’re looking for the fastest TSA security checkpoint line, the closest dining options to your gate or the fastest transportation to get you to downtown Seattle, the Sea-Tac app can help. Take advantage of Sea-Tac’s free Wi-Fi and download the official Sea-Tac Airport app for terminal maps, flight information and transportation tips. Features: * TSA security checkpoint wait times: Find the most convenient line with up-to-date wait time information * Parking spot reminder: Snap a photo of your parking spot to skip post-flight wandering * Shopping, dining and relaxing: Look at the airport directory and map to see all of our dining and retail options throughout the airport * Explore our amenities: Get the most comfortable visit with our water bottle filling stations, nursing suites, pet relief areas, cell phone charging stations, children’s play area and more * Find your flight: Enter your flight number to get your gate location and alert notifications * Ground transportation: Find information on airporters, courtesy shuttles, limos, public transit (buses or Link light rail), rental cars, taxis, app-based rideshare (Lyft, Uber, Wingz) and more

About

Green CarShare

Features
Read full description

Green CarShare reservation system by Island Rides. Apply for membership, schedule reservations, and access vehicles through this app. Island Rides has initiated the Green CarShare program. The project encourages the elimination of carbon emissions and provides access to electric vehicle use. The CarShare program has been made possible through a grant from the Washington Department of Transportation Zero-Emissions Access Program (ZAP). Green CarShare provides access to charging stations and electric vehicles for members to reserve and drive. Members must be over the age of 21, with a valid driver’s license, insurance and a good driving history. If you meet the eligibility requirements and want to schedule a test drive, contact us at greencarshare-support@islandrides.org. Electric vehicles are shared across users who reserve times to use the cars. Have a question or want to get in touch? We'd love to hear from you. Contact us today, and we'll get back to you as soon as possible. Email us at greencarshare-support@islandrides.org

Screenshots

flySEA4 screens
Green CarShare4 screens

Verdict

The call

The clearest difference is iOS requirement: Green CarShare at 15.1 against flySEA's 18.0. On price, update cadence, ads and in-app purchases there is nothing between them.

Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

UpkeepUpdate frequency

flySEA ships an update every 3 months, Green CarShare every 5 months. The most recent releases landed on October 22, 2026 and October 27, 2026 respectively.

Scorecard1 real difference · 9 level
flySEA versus Green CarShare: the parameters behind the verdict, then further details
ParameterflySEAGreen CarShare
PriceFreeFree
Rating2.6 (162 ratings) — better—
Positive reviews8.4% of reviews—
Number of ratings162 — better—
Update frequencyEvery 3 months — betterEvery 5 months
AdsNoNo
In-app purchasesNoNo
MonetizationFree—
DevicesiPhoneiPhone, iPod — better
Requires iOS18.015.1 — better
Further details — not scored
Size62 MB21 MB
Age rating4+4+
DeveloperPort of SeattleZemtu OG

Bugs and requests

flySEA

Reported bugs

13 issues
  • Security wait times not displaying or updating
  • App crashes when selecting retail shops
  • Flight search returns 'Not Found' errors
  • Map resets zoom level unexpectedly
  • Blank white screens on multiple tabs
Show 8 more
  • Flight information tabs non-functional
  • Unresponsive refresh button
  • Incorrect gate and terminal information
  • Persistent flight alerts despite disabling
  • Notification toggle not working
  • Crashes with iOS 12 and iPhone X
  • Clunky navigation requiring excessive taps
  • Incorrect parking rate information

Requested features

12 requests
  • Direct turn-by-turn navigation between specific gates
  • TSA PreCheck checkpoint identification on map
  • Multiple location viewing on single map
  • Real-time train and light rail status
  • Traffic and parking lot availability information
Show 7 more
  • Centralized dining hours display with filtering
  • Web-based security wait times access
  • International flight departure information
  • Searchable location finder on map
  • Pet relief area locations
  • Flight number and destination search functionality
  • Accurate travel time estimates between locations

Green CarShare

Not enough reviews yet to summarise bugs or requests.

In-app purchases

None

flySEA

No in-app purchases

None

Green CarShare

No in-app purchases

Questions

Is flySEA free?
flySEA is free to download, with no in-app purchases.
Is Green CarShare free?
Green CarShare is free to download, with no in-app purchases.
Do flySEA or Green CarShare have ads?
Neither flySEA nor Green CarShare shows ads.
Which is updated more often, flySEA or Green CarShare?
flySEA ships an update every 3 months, and Green CarShare every 5 months. Most recently, flySEA was updated on October 22, 2026 and Green CarShare on October 27, 2026.

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