GreyStone Power vs PSO Mobile App
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
GreyStone Power
Manage your electricity account with ease. View bills, make payments, and track usage. Report outages and find office locations on the go.
- Account management
- Bill viewing
- Payment processing
- Electricity usage tracking
- Outage reporting
- Office location finder
- Alerts and reminders
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GreyStone’s mobile app gives you fast, secure account access so you can easily manage your account details, view your bill and account balance, make payments, and view your electricity use. You can also report outages, view our office and payment locations, schedule alerts and reminders, and connect to our social media pages. Nearly everything you can do from our web portal can now be handled instantly whether you’re at home, at work, or on the go.
PSO Mobile App
Manage your utility account conveniently. View and pay bills, report power outages, track restoration progress, and monitor energy usage. The app offers features like paperless billing and payment alerts for a streamlined experience.
- Report power outages
- Check outage status
- View and pay bills
- Manage multiple accounts
- Track energy usage
- Paperless billing enrollment
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Welcome to a better way to manage your account with our customer mobile app. You can view and pay your bill, report an outage, check outage status, manage your accounts, view billing history, and more! Use the "Remember me" feature to make login a breeze. Everything is now at the touch of your fingertips. Features include: OUTAGE INFORMATION - Report a power outage - Check outage status and track restoration progress - Easy access to view outage maps in your area ACCOUNT MANAGEMENT - Choose "Remember me" to skip logging in each time you use the app* - View your real-time account balance, payment due date, and balance details - View and download your bill (PDF) - Pay immediately for free from your bank account - Make automatic or scheduled payments - Other ways to pay (credit/debit card, in-person, by phone) - Switch between multiple accounts ENERGY USAGE - Compare how your current usage compares to last month or the same time last year SETTINGS - Enroll in and manage your paperless billing - Add or delete your bank accounts - Enroll in and manage billing and outage alerts *Logging into the PSO app requires an active account that is registered online at PSOklahoma.com
Screenshots
Verdict
The clearest difference is rating: PSO Mobile App at 3.0 against GreyStone Power's 2.4. PSO Mobile App also leads on update cadence (monthly vs every 6 months). GreyStone Power's advantage is iOS requirement (12.0 vs 15.0). On price, review sentiment, ratings volume 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
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
PSO Mobile App holds the better App Store score, 3.0 against 2.4. Both are backed by a comparable volume of ratings — 59 and 93 respectively. Written reviews split almost evenly too, at 12% and 13% positive.
GreyStone Power ships an update every 6 months, PSO Mobile App monthly. The most recent releases landed on September 18, 2026 and September 17, 2026 respectively.
| Parameter | GreyStone Power | PSO Mobile App |
|---|---|---|
| Price | Free | Free |
| Rating | 2.4 (59 ratings) | 3.0 (93 ratings) — better |
| Positive reviews | 11.8% of reviews | 12.5% of reviews — better |
| Number of ratings | 59 | 93 — better |
| Update frequency | Every 6 months | Monthly — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone, iPad, iPod — better | iPhone, iPod |
| Requires iOS | 12.0 — better | 15.0 |
| Further details — not scored | ||
| Size | 174 MB | 35 MB |
| Age rating | 4+ | 4+ |
| Developer | GreyStone Power Corporation,an electric membership corporation | American Electric Power |
Customer experience
GreyStone Power
PSO Mobile App
In-app purchases
GreyStone Power
No in-app purchases
PSO Mobile App
No in-app purchases
Questions
Is GreyStone Power free?
Is PSO Mobile App free?
Which has better reviews, GreyStone Power or PSO Mobile App?
Do GreyStone Power or PSO Mobile App have ads?
Which is updated more often, GreyStone Power or PSO Mobile App?
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