Sunnova vs Renga
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Sunnova
Take charge of your home's energy consumption. This app integrates solar, storage, and electric vehicle management into a single platform. Monitor performance, optimize usage, and gain insights into your energy ecosystem.
- Manage solar, storage, and EV devices
- View energy performance (hourly, daily, monthly)
- Optimize home energy usage
- Centralized energy ecosystem management
- Control Sunnova Adaptive Home™
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The Sunnova App puts homeowners in control of their home energy by combining modern energy appliances, including solar, storage, and electric vehicles, in one, convenient app. Users can manage their devices; view hourly, daily, and monthly performance; and discover new ways to optimize their home. As the central place for managing a new kind of home energy ecosystem, the Sunnova app enables homeowners to manage and optimize their Sunnova Adaptive Home™.
Renga
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Renga is a gentle poetry calendar that invites you to write a haiku every day. Over time, your short poems become a personal portrait of your year. You can also create and share renga — collaborative poem chains written together with friends. Renga is designed to be calm, private, and distraction-free. Optional tip jar in-app purchases are available to support development. No features are gated.
Screenshots
Verdict
The clearest difference is in-app purchases: Sunnova at none against Renga's 3. Sunnova also leads on iOS requirement (15.1 vs 17.6). Renga's advantage is update cadence (every 2 days vs every 3 weeks). On price, ads and device support 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. Renga sells 3 one-off in-app purchases. Sunnova asks for nothing beyond the download.
Sunnova ships an update every 3 weeks, Renga every 2 days. The most recent releases landed on October 14, 2026 and October 7, 2026 respectively.
| Parameter | Sunnova | Renga |
|---|---|---|
| Price | Free | Free |
| Rating | 3.9 (844 ratings) — better | — |
| Positive reviews | 6.3% of reviews | — |
| Number of ratings | 844 — better | — |
| Update frequency | Every 3 weeks | Every 2 days — better |
| Ads | No | No |
| In-app purchases | No — better | Yes |
| Monetization | Free | — |
| Devices | iPhone, iPod — better | iPhone |
| Requires iOS | 15.1 — better | 17.6 |
| Further details — not scored | ||
| Size | 87 MB | 2 MB |
| Age rating | 17+ | 4+ |
| Developer | Sunnova Energy Corp | Artem Ushan |
Bugs and requests
Sunnova
Reported bugs
3 issues- App freezes on startup
- Incorrect or missing production data
- Billing information not updating properly
Requested features
3 requests- Custom date range for production data
- Real-time energy usage and generation data
- Ability to view individual panel performance
Renga
Not enough reviews yet to summarise bugs or requests.
In-app purchases
Sunnova
No in-app purchases
Renga
- Small Tip$0.99
- Medium Tip$2.99
- Large Tip$4.99
