GreyStone Power vs Cobb EMC
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.
Cobb EMC
Manage your electric account securely, pay bills in real-time, and monitor your energy usage with interactive tools. Stay informed about news, report outages, and access valuable discounts.
- Real-time bill payment
- View bill history (PDF)
- Monitor daily energy usage
- Compare bills and track usage
- Report power outages
- View outage information
- Access local/national discounts
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Cobb EMC is a mobile app that allows you to easily and securely access your Cobb EMC electric account, pay your bill in real time, monitor daily energy usage and more. Additional Features: Bill & Pay – Quickly view your current account balance and due date, manage recurring payments and modify payment methods. You can also view bill history, including PDF versions of paper bills. My Usage – Find a series of interactive tools and graphs that allow you to look at past and current usage, compare bills, determine average usage, track differences in usage and set a monthly target to help avoid unexpected high utility bills. Contact Us – Contact Cobb EMC by email or phone. You can also submit a message through the app. News – Stay informed about news that may affect your service, energy efficiency, tips and upcoming events. Report an Outage – Report an outage directly to Cobb EMC and see service interruption and outage information. Current Outages – Search for outages by address and see an estimated restoration time. Valuable Discounts – Get access to local and national discounts. It gives our members direct access to hundreds of valuable discounts at local retailers and thousands of deals nationwide, including discounts at more than 60,000 participating pharmacies. Energy Savings – You don’t have to make big changes to save big money. We’ve worked with Touchstone Energy® to provide tools and easy ways to save energy and money that will make an impact on your home energy expenses. Office Location – Displays facility and payment drop box locations on a map interface.
Screenshots
Verdict
The clearest difference is rating: Cobb EMC at 3.1 against GreyStone Power's 2.3. Cobb EMC also leads on update cadence (every 2 months vs every 6 months) and review sentiment (21% vs 12%). GreyStone Power's advantage is iOS requirement (12.0 vs 17.0). On price, ratings volume, 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
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
Cobb EMC holds the better App Store score, 3.1 against 2.3. Both are backed by a comparable volume of ratings — 74 and 65 respectively. Written reviews point the same way: 12% of GreyStone Power's written reviews are positive against 21% of Cobb EMC's.
GreyStone Power ships an update every 6 months, Cobb EMC every 2 months. The most recent releases landed on October 21, 2026 and October 29, 2026 respectively.
| Parameter | GreyStone Power | Cobb EMC |
|---|---|---|
| Price | Free | Free |
| Rating | 2.3 (74 ratings) | 3.1 (65 ratings) — better |
| Positive reviews | 11.8% of reviews | 20.8% of reviews — better |
| Number of ratings | 74 — better | 65 |
| Update frequency | Every 6 months | Every 2 months — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone, iPad, iPod — better | iPhone, iPad |
| Requires iOS | 12.0 — better | 17.0 |
| Further details — not scored | ||
| Size | 174 MB | 29 MB |
| Age rating | 4+ | 17+ |
| Developer | GreyStone Power Corporation,an electric membership corporation | Cobb Electric Membership Corporation |
Customer experience
GreyStone Power
Cobb EMC
In-app purchases
GreyStone Power
No in-app purchases
Cobb EMC
No in-app purchases








