Solar Guardian vs DALY BMS
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Solar Guardian
Monitor and configure various solar energy systems, including inverters and storage solutions. This utility app provides essential data display and parameter adjustments for efficient energy management.
- Data display for solar systems
- Parameter setting for inverters
- Supports grid-tie and hybrid inverters
- Manages energy storage systems
- Configures N+1 hybrid systems
- Monitors home and mobile energy storage
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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.
DALY BMS
Monitor and manage your lithium battery's status. Query battery string information, identify and replace abnormal cells, and set safety parameters. Receive alerts for battery faults and track their occurrences.
- Unique Bluetooth name for accurate connection
- Query battery string status
- Identify and replace abnormal batteries
- Set and read battery protection parameters
- Monitor and display battery fault alarms
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1. The uniqueness of the Bluetooth name ensures that users can accurately connect and manage the corresponding lithium battery; 2. Information query management can be performed on the battery, the user can query the relevant status of each string of batteries, and replace or maintain the abnormal battery; 3. Safety setting and reading battery protection parameters, user setting parameters, you need to enter a password to modify the parameters; 4. Monitor battery fault alarms and display the current faults,and the number of faults in the battery;
Screenshots
Verdict
The clearest difference is rating: Solar Guardian at 2.3 against DALY BMS's 1.8. DALY BMS's advantage is update cadence (weekly vs every 2 months). On price, review sentiment, ratings volume and ads 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 holds the better App Store score, 2.3 against 1.8. Both are backed by a comparable volume of ratings — 17 and 12 respectively. Written reviews point the same way: 17% of Solar Guardian's written reviews are positive against 9% of DALY BMS's.
Solar Guardian ships an update every 2 months, DALY BMS weekly. The most recent releases landed on November 3, 2026 and November 4, 2026 respectively.
| Parameter | Solar Guardian | DALY BMS |
|---|---|---|
| Price | Free | Free |
| Rating | 2.3 (17 ratings) — better | 1.8 (12 ratings) |
| Positive reviews | 16.7% of reviews — better | 9.1% of reviews |
| Number of ratings | 17 — better | 12 |
| Update frequency | Every 2 months | Weekly — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone, iPod | iPhone, iPod |
| Requires iOS | 13.0 | 13.0 |
| Further details — not scored | ||
| Size | 85 MB | 57 MB |
| Age rating | 4+ | 17+ |
| Developer | BEIJING EPSOLAR TECHNOLOGY CO., LTD. | 所兵 邱 |
Customer experience
Solar Guardian
DALY BMS
In-app purchases
Solar Guardian
No in-app purchases
DALY BMS
No in-app purchases
