# ParkSFO vs Mare Island

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.

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

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.

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

## The numbers

| Metric | ParkSFO | Mare Island |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.8 (491 ratings)](https://appshunter.io/ios/app/parksfo/id1483760343/reviews) | **[5.0 (4 ratings)](https://appshunter.io/ios/app/mare-island/id6557420474/reviews)** |
| Number of ratings | **491** | 4 |
| Positive reviews | 70.8% of reviews | **100.0% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | **Monthly** |
| Monetization | Free | Free |
| Size | 39 MB | 158 MB |
| Requires iOS | **12.0** | 13.0 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [PARKSFO](https://appshunter.io/developer/1483760342) | [The Nimitz Group](https://appshunter.io/developer/1758383173) |

## What reviewers say

### ParkSFO

[App page](https://appshunter.io/ios/app/parksfo/id1483760343)

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:** macOS Compatibility

**In-app purchases:** none

**What reviewers like**

- 👍 User-friendly and easy-to-use app interface
- 🚀 Fast and convenient check-in/check-out process
- 💰 Affordable parking with coupon discounts
- 🚌 Reliable shuttle service with minimal wait times
- 🔒 Secure parking facility with helpful staff

**What reviewers complain about**

- 🐛 QR code scanner frequently malfunctions at exit gates
- 🐛 Elevator system issues and inconsistent functionality
- ❌ App and website are disconnected/not integrated
- 😕 Confusing signage that doesn't match app instructions
- 🔧 Limited app functionality and features

**Reported bugs**

- 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

**Requested features**

- 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


### Mare Island

[App page](https://appshunter.io/ios/app/mare-island/id6557420474)

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:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


## Frequently asked 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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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*