Reliant vs CoServ
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Reliant
Manage your electricity account with detailed usage tracking, bill payment, and smart home device integration. Monitor electricity, solar, and EV usage, receive alerts, and adjust your thermostat remotely. Access account essentials and get 24/7 customer support.
- Track electricity, solar, and EV usage
- Remote Nest thermostat control
- Bill payment and management
- Account alerts and notifications
- Prepaid fund management
- Account plan management
- 24/7 customer support
Read full descriptionHide full description
The improved Reliant app delivers powerful new features along with plenty of quick and easy ways to manage your Reliant account. Track electricity usage, receive alerts, pay your bill and sync your Google Nest thermostat and Goal Zero Yeti. Keep your home comfortable Connect and remotely adjust your Nest thermostat Track electricity, solar and electric vehicle usage - Monitor electricity usage details by day, week, month or year. See your projected electricity bill and compare current and past usage. - Monitor your solar generation and consumption and see your Energy Efficiency score. - Sync your EV to schedule charging, see your gas savings and environmental impact. Stay in the know Sign up for Reliant Account Alerts to keep tabs on your electricity usage, bill due dates and even projected charges.* Pay your bill your way Use a stored credit card or bank account to quickly and securely pay your bill. Manage prepaid funds If you’re enrolled in a Reliant prepaid electricity plan, you can use the in-app payment calculator to budget your electricity usage. Access account essentials Review your plan details and manage account settings. Eligible customers can also renew, transfer or change their plan. Get 24/7 help Contact customer support, report an outage, find payment locations and view FAQs. *Not available to customers enrolled in a Reliant prepaid electricity plan. Visit reliant.com/app to learn more about the Reliant app. Please note that the Reliant app is only available to residential customers at this time. Reliant is not affiliated with Google or the products and services they market. Google Nest and Google Nest thermostat are trademarks of Google LLC. You can view our complete privacy policy at reliant.com/privacy. If you have any questions, we’re available 24/7 via online chat and at 1-866-222-7100. Reliant is a registered service mark of Reliant Energy Retail Holdings, LLC. Reliant Energy Retail Services, LLC (PUCT Certificate #10007). © 2024 Reliant Energy Retail Holdings, LLC. All rights reserved.
CoServ
Manage your utility account with ease. Pay bills securely, track your energy usage, and stay informed about service updates and outages. View historical bills and payment options.
- Secure bill payment
- View account balance and due date
- Manage recurring payments
- Track monthly gas and electricity usage
- Compare usage to temperature and neighborhood averages
- Monitor service news and events
- View outage information on a map
Read full descriptionHide full description
App Features: Bill & Pay - Pay your bill securely and on time each month. View your current account balance and due date, manage recurring payments, and modify payment methods. View bill history including PDF versions of paper bills directly on your mobile device. My Usage - Keep tabs on your monthly gas usage and view your electricity usage at daily, weekly and monthly intervals. Compare your usage against outside temperatures and neighborhood averages. News - Monitor news that may affect your service such as rate changes, outage information and upcoming events. Outage Map - Displays service interruption and outage information.
Screenshots
Verdict
The clearest difference is rating: Reliant at 4.9 against CoServ's 2.3. Reliant also leads on review sentiment (46% vs 11%) and ratings volume (20K vs 125). On price, update cadence, 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.
Reliant holds the better App Store score, 4.9 against 2.3. That said, the two scores are not equally well evidenced: Reliant has 20K ratings behind it against 125, so its average is the more settled of the two. Written reviews point the same way: 46% of Reliant's written reviews are positive against 11% of CoServ's.
Reliant ships an update every 5 weeks, CoServ every 2 months. The most recent releases landed on October 15, 2026 and October 7, 2026 respectively.
| Parameter | Reliant | CoServ |
|---|---|---|
| Price | Free | Free |
| Rating | 4.9 (20K ratings) — better | 2.3 (125 ratings) |
| Positive reviews | 46.0% of reviews — better | 11.3% of reviews |
| Number of ratings | 20K — better | 125 |
| Update frequency | Every 5 weeks — better | Every 2 months |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone, iPad | iPhone, iPad |
| Requires iOS | 16.6 — better | 17.0 |
| Further details — not scored | ||
| Size | 204 MB | 30 MB |
| Age rating | 4+ | 17+ |
| Developer | Reliant Energy Retail Holdings, LLC | Denton County Electric Cooperative |
Customer experience
Reliant
CoServ
User reviews
Reliant
From 20K App Store ratingsWhat we love
- 💳 Easy payment process
- 🔍 Detailed usage information
- 📱 Convenient mobile app
- 👍 User-friendly interface
- 🤝 Reliable service
Room to improve
- 🐛 Frequent app crashes and bugs
- ⏱️ Slow app performance
- 💰 Increasing electricity costs
- 🔒 Login and security issues
- 📉 Inaccurate usage data
CoServ
From 125 App Store ratingsWhat we love
- 👍 Works for needs
- 👍 Helpful for usage data
- 👍 Good customer service
Room to improve
- 🐛 App crashes frequently
- 🐛 Login issues persist
- 🐛 Unintuitive UI/UX
- 🐛 Slow performance
- 🐛 Payment submission errors
Bugs and requests
Reliant
Reported bugs
5 issues- Login screen freezes
- Inability to make payments through the app
- Incompatibility with certain mobile devices
- Inconsistent app behavior across platforms
- Syncing issues with Nest thermostats
Requested features
5 requests- Ability to save payment information
- Improved app stability and reliability
- Expanded usage tracking and analytics
- Seamless integration with smart home devices
- Better communication on service changes
CoServ
Reported bugs
18 issues- App crashes when viewing usage data
- App crashes when checking unbilled electric usage
- App freezes on sign-in screen
- Login fails repeatedly
- Cannot log in, error messages
Show 13 moreShow fewer
- App does not load
- App opens half the time
- Password setup issues
- Time checking for notification settings errors
- CVV not asked in add card section
- App won't function if Google analytics is blocked
- Cannot access any information
- App shows incorrect current usage
- Cannot enable Face ID
- Cannot add cell number
- Error submitting payment twice
- Cannot reset or retrieve password
- Cannot display password reset instructions correctly
Requested features
7 requests- Add print option for bills
- Add Apple Pay and other payment options
- Improve UI/UX intuitiveness
- Enable Face ID/remember email
- Add cell number input
Show 2 moreShow fewer
- Improve data presentation and zoomability
- Allow scheduling credit card payments online
In-app purchases
Reliant
No in-app purchases
CoServ
No in-app purchases
Questions
Is Reliant free?
Is CoServ free?
Which has better reviews, Reliant or CoServ?
Do Reliant or CoServ have ads?
Which is updated more often, Reliant or CoServ?
Other comparisons
