S vs Power Zero
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
S
This app helps installers of distributed PV power plants manage accounts and provides visual guides for microinverter installation. It offers rapid configuration, power generation data, and detailed alarm information for commissioning and diagnostics.
- Account monitoring
- Visual installation guide
- Microinverter configuration
- Power generation data
- Module-level data
- Alarm information
- Commissioning & diagnostics
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S-miles Installer is a mobile application developed by Hoymiles especially for installers of distributed PV power plants. It provides an EASY-TO-USE procedure for monitoring accounts and a visual physical layout guide for the installation of microinverters, which helps installers configure monitoring accounts rapidly, and provides installers power generation data on both plant-level & module-level as well as detailed alarm information about the power plant for commissioning & diagnostics.
Power Zero
Monitor and control your smart energy devices remotely. Track energy usage and production in real-time, find ways to improve efficiency, and manage your solar system's status.
- Real-time energy usage tracking
- Energy production monitoring
- Energy efficiency improvement suggestions
- Remote smart home device control
- Solar system status monitoring
- Historical energy data
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Manage your Power Zero smart energy devices anytime, anywhere Maximize your Power Zero experience and save battery with the Power Zero App: · Track your energy usage and production in real time with Mobile Optimized Energy · Find ways to improve energy efficiency · Control your smart home devices and remotely manage your Power Zero energy usage · Monitor the status of your solar system in real-time as well as various historical status data
Screenshots
Verdict
The clearest difference is rating: S at 4.3 against Power Zero's 3.0. S also leads on review sentiment (66% vs 41%) and ratings volume (15 vs 2). 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.
S holds the better App Store score, 4.3 against 3.0. That said, the two scores are not equally well evidenced: S has 15 ratings behind it against 2, so its average is the more settled of the two. Written reviews point the same way: 66% of S's written reviews are positive against 41% of Power Zero's.
S ships an update monthly, Power Zero every 6 weeks. The most recent releases landed on November 11, 2026 and November 3, 2026 respectively.
| Parameter | S | Power Zero |
|---|---|---|
| Price | Free | Free |
| Rating | 4.3 (15 ratings) — better | 3.0 (2 ratings) |
| Positive reviews | 65.8% of reviews — better | 40.9% of reviews |
| Number of ratings | 15 — better | 2 |
| Update frequency | Monthly — better | Every 6 weeks |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone, iPod | iPhone, iPad, iPod — better |
| Requires iOS | 15.0 — better | 15.5 |
| Further details — not scored | ||
| Size | 224 MB | 149 MB |
| Age rating | 4+ | 12+ |
| Developer | Hoymiles Power Electronics Inc. | 毅 伍 |
Customer experience
S
Power Zero
In-app purchases
S
No in-app purchases
Power Zero
No in-app purchases
