National Grid vs Sunrun
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
National Grid
Securely manage your utility account on the go. Access billing, schedule payments, and report outages with ease. Biometric login provides quick and secure access to your account information and support.
- Biometric account access
- View account and billing information
- Schedule payments
- Report power outages and gas emergencies
- View outage map
- Enroll in paperless billing
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The National Grid mobile app makes it easier to securely manage your account from anywhere. Set up biometrics so you can access your account quickly and securely. With biometrics, you can sign in without having to enter your username and password again. Once you’re signed in, you can easily: • View essential account and billing information • Enroll in paperless billing • View and download a PDF of your current bill • Schedule a payment in-app or via Speedpay • Find nearby payment locations • Report a power outage or gas emergency • View the outage map • Explore your usage Now you can schedule a payment with your bank account, without having to leave the app. Use a new or saved bank account to pay your current bill, account balance or any other amount, just like you would on our website. We’ve also made it easier to report power outages and gas emergencies — with our mobile app, you’ve got access to emergency support right at your fingertips.
Sunrun
Monitor your solar energy system, track energy production, and access support. Gain insights into your environmental impact and manage your system data from a single, user-friendly interface.
- System data management
- Energy production tracking
- Customer support access
- Environmental impact insights
- User-friendly interface
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Newly designed and easy-to-use, our app is the single access point for Sunrun customers to monitor their systems, track energy production, and get the support they need. Featuring: • Streamlined access to manage and organize all of your system data. Our user-friendly interface provides a centralized hub where you can conveniently access and oversee your system data. • Thorough support page to help you find the answers you need. Whether it’s getting started with your new system or questions around the fundamentals of solar, we’ve got you covered. • Contextualized insights to better understand the positive environmental impact you’re making. Our app utilizes your system data to offer valuable insights, deepening your understanding of how your choices contribute to a greener planet.
Screenshots
Verdict
The clearest difference is review sentiment: Sunrun at 73% against National Grid's 25%. National Grid's advantage is rating (4.8 vs 4.5) and ratings volume (15K vs 3.4K). 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.
National Grid holds the better App Store score, 4.8 against 4.5. Both are backed by a comparable volume of ratings — 15K and 3.4K respectively. Written reviews complicate that: 25% of National Grid's written reviews are positive against 73% of Sunrun's, so the app with the better star average is not the one people write more warmly about.
National Grid ships an update every 6 weeks, Sunrun every 4 weeks. The most recent releases landed on November 5, 2026 and November 3, 2026 respectively.
| Parameter | National Grid | Sunrun |
|---|---|---|
| Price | Free | Free |
| Rating | 4.8 (15K ratings) — better | 4.5 (3.4K ratings) |
| Positive reviews | 24.5% of reviews | 73.1% of reviews — better |
| Number of ratings | 15K — better | 3.4K |
| Update frequency | Every 6 weeks | Every 4 weeks — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 15.0 — better | 15.1 |
| Further details — not scored | ||
| Size | 60 MB | 96 MB |
| Age rating | 4+ | 4+ |
| Developer | National Grid plc | Sunrun Inc. |
Customer experience
National Grid
Sunrun
User reviews
National Grid
From 15K App Store ratingsWhat we love
- 👍 Easy to use
- 🚀 Smooth payments
- 🔒 Secure login process
Room to improve
- 🐛 Frequent login issues
- 🔍 Lack of account details
- 💰 Confusing payment process with extra fees
Sunrun
From 3.4K App Store ratingsWhat we love
- 👍 User-friendly interface
- 🚀 Real-time data tracking
- 💡 Comprehensive solar production metrics
- 🔍 Detailed system information
- 🌞 Visually pleasing app design
Room to improve
- 🐛 Inaccurate or delayed data
- 🔍 Lack of individual panel monitoring
- 🔋 No battery usage information
- 🤔 Confusing or unclear data presentation
- 🔍 Missing system specifications
Bugs and requests
National Grid
Reported bugs
3 issues- Unexpected account data errors
- App crashes and freezes
- Payment processing failures
Requested features
3 requests- Ability to view billing history and usage details
- Seamless integration with existing online accounts
- Biometric login options
Sunrun
Reported bugs
4 issues- App crashes or freezes
- Frequent loading issues
- Charts and graphs not functioning properly
- Discrepancies between app and actual production
Requested features
5 requests- Download or export data
- Integrate energy usage data
- Add alerts and notifications
- Provide landscape mode on iPad
- Show year-over-year production comparisons
In-app purchases
National Grid
No in-app purchases
Sunrun
No in-app purchases









