Solar Guardian vs Voltha
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Solar Guardian
Monitor and control various solar energy systems, including inverters, chargers, and storage solutions. Adjust parameters and view data for optimal energy management.
- Data display for solar systems
- Parameter setting for inverters
- Supports grid-tie inverters
- Hybrid inverter management
- Energy storage system monitoring
- Home and mobile energy storage control
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Solar Guardian is a new application with the core function of data display and parameter setting for inverters, solar chargers, grid-tie inverters, hybrid inverters, energy storage systems, N+1 hybrid systems, home energy storage and mobile energy storage.
Voltha
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Mobile and PC-based application for energy flows control and monitoring, software updates, setting up programmable features of the energy storage device and controlling external devices like water cylinder, EV chargers and PV plants. The application allows the users to get the best performance from their energy storage system and therefore achieve the best economical results.
Screenshots
Verdict
The clearest difference is update cadence: Voltha at every 3 weeks against Solar Guardian's every 2 months. On price, ads, in-app purchases 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. Neither carries in-app purchases, so what you see is what you pay.
Solar Guardian ships an update every 2 months, Voltha every 3 weeks. The most recent releases landed on September 17, 2026 and September 14, 2026 respectively.
| Parameter | Solar Guardian | Voltha |
|---|---|---|
| Price | Free | Free |
| Rating | 2.4 (16 ratings) — better | — |
| Positive reviews | 17.2% of reviews | — |
| Number of ratings | 16 — better | — |
| Update frequency | Every 2 months | Every 3 weeks — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | — |
| Devices | iPhone, iPod | iPhone, iPad, iPod — better |
| Requires iOS | 13.0 | 12.0 — better |
| Further details — not scored | ||
| Size | 84 MB | 71 MB |
| Age rating | 4+ | 4+ |
| Developer | BEIJING EPSOLAR TECHNOLOGY CO., LTD. | Aton Green Energy |
In-app purchases
Solar Guardian
No in-app purchases
Voltha
No in-app purchases
