Comparison

Green Mtn vs Park Pass

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

Head to head
About

Green Mtn

Manage your green energy account, track usage, and discover daily tips for a sustainable lifestyle. Available exclusively for Texas customers, this app helps you monitor your environmental impact and access account services.

Highlights
  • Pay bills and view payment history
  • Manage account services (AutoPay, Average Billing)
  • Track electricity usage and costs
  • Access plan details and customer rights
  • Get green living tips
  • Monitor personal carbon emission impact
  • Link electric vehicle for greater impact
Features
Read full description

Available to Texas customers only. Stay connected to your green lifestyle where you are with the Green Mountain Energy App. With daily green living tips and a host of tools to manage your impact, we make it effortless to live cleaner and greener everyday. * Pay your bill, check your balance, and review billing and payment history. * Manage account services like AutoPay, Average Billing, and Tree Free billing. * Transfer your electricity service to a new address. * Access important plan details like your Electricity Facts Label, Terms of Service and your Rights as a Customer. * Track your usage with interactive, customizable graphs that show trends, projected electricity costs and weather impacts in your area. * Get green add-ons like Green Mountain Driver and support sustainability projects through Green Mountain Energy Sun Club. * Earn badges for helping the planet by greening up your life. * See the differences you’re making by tracking your personal impact for preventing carbon emissions. The longer you stay on your plan, the bigger your impact gets. * Link your electric vehicle to make an even bigger impact.

About

Park Pass

Manage your parking permits and guest vehicles directly from your phone. This app allows residents to register vehicles, view permit status, and digitally sign parking agreements. Receive timely notifications before your permit expires.

Highlights
  • Register vehicle for parking permit
  • Add guest permits with QR code
  • View permit status and expiration
  • Digital parking agreement signing
  • Account management via email/phone
  • Community-specific parking rules
Features
Read full description

Park Pass is the official mobile app for residents at communities managed on the Park Pass parking platform. If your property has enrolled you as a Tenant, use this app to manage your parking permits, guest vehicles, and account — no more paper stickers or dropping by the leasing office. FOR TENANTS • Register your vehicle for a parking permit in minutes • Add a guest permit when you have visitors, with a shareable QR code and link • View permit status, expiration dates, and full vehicle details at a glance • Get notified before your permit expires so you're never caught unregistered • Sign your property's parking agreement digitally, right from your phone • Manage your account with email or phone login BUILT FOR YOUR COMMUNITY Every property sets its own rules — guest visit limits, allowed permits, and permit durations are configured by your property manager, so what you see in the app always reflects your community's actual parking policy. GETTING STARTED Park Pass accounts are set up by your property's leasing or management team, not through open sign-up. If you live at a Park Pass community and don't have login credentials yet, contact your property office to get started. Questions or feedback? Reach us at support@parkpassllc.com.

Screenshots

Green Mtn4 screens
Park Pass4 screens

Verdict

The call

The clearest difference is ratings volume: Green Mtn at 4.7K against Park Pass's 1. 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

On the App Store both sit at effectively the same score — 4.9 for Green Mtn against 5.0 for Park Pass. That said, the two scores are not equally well evidenced: Green Mtn has 4.7K ratings behind it against 1, so its average is the more settled of the two.

UpkeepUpdate frequency

Green Mtn ships an update monthly, Park Pass every 2 weeks. The most recent releases landed on November 6, 2026 and October 31, 2026 respectively.

Scorecard1 real difference · 9 level
Green Mtn versus Park Pass: the parameters behind the verdict, then further details
ParameterGreen MtnPark Pass
PriceFreeFree
Rating4.9 (4.7K ratings)5.0 (1 ratings) — better
Positive reviews47.1% of reviews—
Number of ratings4.7K — better1
Update frequencyMonthlyEvery 2 weeks — better
AdsNoNo
In-app purchasesNoNo
MonetizationFreeFree
DevicesiPhoneiPhone, iPad — better
Requires iOS16.616.4 — better
Further details — not scored
Size91 MB46 MB
Age rating4+17+
DeveloperGreen Mountain EnergyNexus Developers LLC

Customer experience

Green Mtn

All ratings4,657 ratings
Positive98.5%
Neutral0.6%
Negative0.8%
Written reviews70 reviews
Positive47.1%
Neutral14.3%
Negative38.6%

Park Pass

All ratings1 ratings
Positive100.0%
Neutral0.0%
Negative0.0%

Bugs and requests

Green Mtn

Reported bugs

4 issues
  • Unable to log in
  • App crashes on launch
  • Payment methods not saving
  • Incorrect account information displayed

Requested features

4 requests
  • Add Apple Pay support
  • Improve app stability and performance
  • Provide more detailed usage and billing information
  • Enhance user interface and navigation

Park Pass

Not enough reviews yet to summarise bugs or requests.

In-app purchases

None

Green Mtn

No in-app purchases

None

Park Pass

No in-app purchases

Questions

Is Green Mtn free?
Green Mtn is free to download, with no in-app purchases.
Is Park Pass free?
Park Pass is free to download, with no in-app purchases.
Which has better reviews, Green Mtn or Park Pass?
Park Pass is rated higher. Green Mtn averages 4.9 out of 5 from 4.7K ratings, while Park Pass averages 5.0 from 1 ratings.
Do Green Mtn or Park Pass have ads?
Neither Green Mtn nor Park Pass shows ads.
Which is updated more often, Green Mtn or Park Pass?
Green Mtn ships an update monthly, and Park Pass every 2 weeks. Most recently, Green Mtn was updated on November 6, 2026 and Park Pass on October 31, 2026.

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