Sunrun vs Zavalafy
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
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.
Zavalafy
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Zavalafy is the job-site calculator built for electricians, contractors, and experienced homeowners who need NEC-backed math done right. Stop flipping through codebooks or second-guessing hand calculations. Every tool in Zavalafy runs on NEC formulas with article references built in. You don't just get an answer, you get a defensible one. CALCULATE IN SECONDS: Wire Sizing ~ enter your load, material, temp rating, and conduit count. Get the correct AWG with derating applied per NEC 310.15. Conduit Fill ~ add conductors by gauge, pick your conduit type and trade size. Zavalafy checks the 40% fill rule (NEC Ch. 9, Table 1) and flags violations instantly. Voltage Drop ~ one-way distance, load, conductor size and material. Instant % drop with a pass/fail against the 3% recommendation. Load Calc ~ build a complete load schedule, flag continuous loads, and get total VA and demand amps checked against your panel's 80% rule. ORGANIZE BY JOB: Every calculation, panel schedule, checklist, and material list lives under a job. Set one active and everything saves to it automatically. No folders, no filing; just work. BUILD PANEL SCHEDULES: Add circuits, watch load totals update live, and get brand-specific compatibility warnings. Export a clean PDF panel schedule in one tap. TRACK INSPECTIONS: Create checklists for rough, trim, or final inspection. Mark each item Pass, Fail, or flag it with notes and photos. Export a sign-off PDF when you're done. MATERIALS, AUTO-BUILT: Choose which calculations to pull into your material list. Add custom line items, adjust quantities, and compare prices across up to three suppliers. One tap searches Home Depot, Lowe's, or Ace Hardware. WHO IT'S FOR? • Journeymen and apprentices running daily calcs on residential, commercial, or light industrial work • Foremen and contractors managing multiple jobs, materials, and inspection records • Experienced homeowners tackling permitted electrical work who wants the same math the pros use ZAVALAFY PRO One upgrade unlocks everything: • Unlimited saved jobs (free includes 3) • PDF export — panel schedules, checklists, full job reports • Material list export • Price compares across suppliers $9.99/month or $79.99/year. Cancel any time. Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Disclaimer: Zavalafy is a calculation aid, not a substitute for professional judgment. Always verify results against the current NEC edition, local amendments, and AHJ requirements. Consult a licensed electrician for permitted work.
Screenshots
Verdict
The clearest difference is in-app purchases: Sunrun at none against Zavalafy's 2. Sunrun also leads on device support (3 vs 1). On price, update cadence, ads and iOS requirement 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. Zavalafy sells 2 in-app purchases, starting at $9.99 per month. Sunrun asks for nothing beyond the download.
Sunrun ships an update every 4 weeks, Zavalafy monthly. The most recent releases landed on October 18, 2026 and October 8, 2026 respectively.
| Parameter | Sunrun | Zavalafy |
|---|---|---|
| Price | Free | Free |
| Rating | 4.5 (3K ratings) — better | — |
| Positive reviews | 73.1% of reviews | — |
| Number of ratings | 3K — better | — |
| Update frequency | Every 4 weeks — better | Monthly |
| Ads | No | No |
| In-app purchases | No — better | Yes |
| Monetization | Free | — |
| Devices | iPhone, iPad, iPod — better | iPhone |
| Requires iOS | 15.1 — better | 16.0 |
| Further details — not scored | ||
| Size | 96 MB | 46 MB |
| Age rating | 4+ | 4+ |
| Developer | Sunrun Inc. | ARMAND BUENROSTRO ZAVALA |
Bugs and requests
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
Zavalafy
Not enough reviews yet to summarise bugs or requests.
In-app purchases
Sunrun
No in-app purchases
Zavalafy
- Zavalafy Pro$9.991 Month
- Zavalafy Pro$79.991 Year









