Comparison

ParkSFO vs Mare Island

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

Head to head
About

ParkSFO

Effortlessly manage your parking experience from your phone. Pay for parking, check out of facilities, and apply discounts and coupons without needing paper tickets or waiting in line. Earn credits for future parking fees.

Highlights
  • Mobile parking payment
  • Facility checkout
  • Apply coupons and discounts
  • Earn parking credits
  • Frictionless parking experience
Features
Read full description

With the ParkSFO Mobile app you can park your car, pay for parking, and check out of the facility all through your mobile phone. No need for paper tickets, no more waiting in line to pay. And you can still use our coupons and receive your club membership discounts when using the mobile app! You can also earn credits within the app and these credit can be applied to your parking fees! The ParkSFO app makes true frictionless parking a reality and it has never been easier or more efficient and hassle-free when you park at ParkSFO!

About

Mare Island

Explore Mare Island with this self-guided tour app. Discover historical sites, local eateries, natural beauty, and art installations through an interactive map and detailed content. Enjoy voiceover options for an enhanced experience.

Highlights
  • Interactive map with points of interest
  • Detailed history of over 30 island highlights
  • Discover local food and drink establishments
  • Explore island nature and hiking trails
  • Find art installations and creative activities
  • Voiceover option for all content
  • Island amenities and parking information
Features
Read full description

With this self-guided app, your smartphone becomes your guide, revealing the best places to see, and the stories behind them. You’ll explore like a Mare Island insider and discover all that makes Mare Island the center of the Next Great Bay Era right here in the middle of San Francisco Bay: 1. INTERACTIVE MAP: showing key locations for: • HISTORY • FOOD & DRINK • NATURE • ART 2. HISTORY DEEP DIVE: Details about more than 30 highlights of Mare Island’s storied past. Tour Mare Island today, surrounded by the rich history that made it one of the most important naval shipyards in the world. 3. MARE ISLAND FLAVORS: Discover mainstay eating and drinking establishments that thoughtfully pair food and drink with an experiential glimpse of craft. 4. ISLAND NATURE: Surrounded by waterfront and sky, Mare Island immerses you in natural beauty and expansive open space. The island is home to hundreds of tree species, two historic parks, and countless opportunities for hiking, dog walking, or just soaking in the views. 5. ART REVEALED: Discover a growing number of art installations and creative activities. The Mare Island public art initiative began in 2021 and caught the attention of visitors from around the Bay Area interested in viewing the murals, sculptures, and other artworks now found here. 6. FAQs: Learn about island amenities, parking, and other sources of information to guide your visit. 7. VISION: Stay up to date on plans and perspectives from Mare Island, Home of the Next Great Bay Era! 8. VOICE AND/OR VIEW OPTION: For those who require or prefer audio accompaniment, opt to listen to all the above content delivered via voiceover.

Screenshots

ParkSFO4 screens
Mare Island4 screens

Verdict

The call

ParkSFO and Mare Island both sit at 4.8 stars, but that hides the real split: 100% of Mare Island's written reviews are positive against 71% of ParkSFO's. ParkSFO's advantage is ratings volume (491 vs 4). On price, rating, update cadence and ads 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.

ReceptionRating · Positive reviews · Number of ratings

Mare Island holds the better App Store score, 5.0 against 4.8. That said, the two scores are not equally well evidenced: ParkSFO has 491 ratings behind it against 4, so its average is the more settled of the two. Written reviews point the same way: 71% of ParkSFO's written reviews are positive against 100% of Mare Island's.

UpkeepUpdate frequency

ParkSFO ships an update every 2 months, Mare Island monthly. The most recent releases landed on November 3, 2026 and October 30, 2026 respectively.

Scorecard2 real differences · 8 level
ParkSFO versus Mare Island: the parameters behind the verdict, then further details
ParameterParkSFOMare Island
PriceFreeFree
Rating4.8 (491 ratings)5.0 (4 ratings) — better
Positive reviews70.8% of reviews100.0% of reviews — better
Number of ratings491 — better4
Update frequencyEvery 2 monthsMonthly — better
AdsNoNo
In-app purchasesNoNo
MonetizationFreeFree
DevicesiPhone, iPodiPhone, iPod
Requires iOS12.0 — better13.0
Further details — not scored
Size39 MB158 MB
Age rating4+4+
DeveloperPARKSFOThe Nimitz Group

Customer experience

ParkSFO

All ratings468 ratings
Positive94.9%
Neutral2.4%
Negative2.8%
Written reviews48 reviews
Positive70.8%
Neutral4.2%
Negative25.0%

Mare Island

All ratings4 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews1 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

Bugs and requests

ParkSFO

Reported bugs

10 issues
  • QR code reader at exit gate doesn't work reliably
  • App crashes when entering state in profile
  • Brightness control issue on iPhone after closing app
  • Cannot retroactively check in after downloading app
  • Coupon codes cannot be deleted once selected
Show 5 more
  • Coupons don't persist in saved section
  • Scanners don't work consistently throughout facility
  • App doesn't notify when lot is full
  • Website login/registration issues
  • Reservation made in app cannot be viewed in app

Requested features

10 requests
  • Live shuttle location tracking on map
  • Ability to make and view reservations directly in app
  • Save parking space number and floor to ticket
  • Apple Pay payment option
  • Ability to attach multiple credit cards to account
Show 5 more
  • Parking space photo/note feature for memory aid
  • Direct call/pickup location feature for terminals
  • Lot capacity/availability status in app
  • Better coupon display showing discount amount at checkout
  • Clipboard paste functionality for credit card entry

Mare Island

Not enough reviews yet to summarise bugs or requests.

In-app purchases

None

ParkSFO

No in-app purchases

None

Mare Island

No in-app purchases

Questions

Is ParkSFO free?
ParkSFO is free to download, with no in-app purchases.
Is Mare Island free?
Mare Island is free to download, with no in-app purchases.
Which has better reviews, ParkSFO or Mare Island?
Mare Island is rated higher. ParkSFO averages 4.8 out of 5 from 491 ratings, while Mare Island averages 5.0 from 4 ratings.
Do ParkSFO or Mare Island have ads?
Neither ParkSFO nor Mare Island shows ads.
Which is updated more often, ParkSFO or Mare Island?
ParkSFO ships an update every 2 months, and Mare Island monthly. Most recently, ParkSFO was updated on November 3, 2026 and Mare Island on October 30, 2026.

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