Comparison

BatteryMonitorBL vs Solar Guardian

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

BatteryMonitorBL

Monitor your device's battery health in real-time. View crucial metrics such as current, temperature, and voltage. Connect via Bluetooth for seamless data acquisition.

Highlights
  • Real-time battery health monitoring
  • View current, temperature, and voltage
  • Bluetooth connectivity
  • Supports iPhone and iPad
  • Free to use
Features
Read full description

BatteryMonitorBL which monitor the battery health status like currency, temperature and voltage etc using bluetooth

About

Solar Guardian

Monitor and control various solar energy systems, including inverters, chargers, and storage solutions. Adjust parameters and view data for optimal energy management.

Highlights
  • 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
Features
Read full description

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.

Screenshots

BatteryMonitorBL1 screens
Solar Guardian4 screens

Verdict

The call

BatteryMonitorBL and Solar Guardian both sit at 2.3 stars, but that hides the real split: 50% of BatteryMonitorBL's written reviews are positive against 17% of Solar Guardian's. Solar Guardian's advantage is update cadence (every 2 months vs every 6 months) and ratings volume (17 vs 3). On price, rating, 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

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

ReceptionRating · Positive reviews · Number of ratings

On the App Store both sit at effectively the same score — 2.3 for BatteryMonitorBL against 2.3 for Solar Guardian. That said, the two scores are not equally well evidenced: Solar Guardian has 17 ratings behind it against 3, so its average is the more settled of the two. Written reviews are what separate them: 50% of BatteryMonitorBL's written reviews are positive against 17% of Solar Guardian's.

UpkeepUpdate frequency

BatteryMonitorBL ships an update every 6 months, Solar Guardian every 2 months. The most recent releases landed on October 13, 2026 and October 24, 2026 respectively.

Scorecard3 real differences · 7 level
BatteryMonitorBL versus Solar Guardian: the parameters behind the verdict, then further details
ParameterBatteryMonitorBLSolar Guardian
PriceFreeFree
Rating2.3 (3 ratings) — better2.3 (17 ratings)
Positive reviews50.0% of reviews — better16.7% of reviews
Number of ratings317 — better
Update frequencyEvery 6 monthsEvery 2 months — better
AdsNoNo
In-app purchasesNoNo
MonetizationFreeFree
DevicesiPhone, iPad, iPod — betteriPhone, iPod
Requires iOS14.013.0 — better
Further details — not scored
Size6 MB84 MB
Age rating4+4+
DeveloperShenzhen zetara power system Co.,LTDBEIJING EPSOLAR TECHNOLOGY CO., LTD.

Customer experience

BatteryMonitorBL

All ratings3 ratings
Positive33.3%
Neutral0.0%
Negative66.7%
Written reviews2 reviews
Positive50.0%
Neutral0.0%
Negative50.0%

Solar Guardian

All ratings16 ratings
Positive25.0%
Neutral12.5%
Negative62.5%
Written reviews30 reviews
Positive16.7%
Neutral16.7%
Negative66.7%

In-app purchases

None

BatteryMonitorBL

No in-app purchases

None

Solar Guardian

No in-app purchases

Questions

Is BatteryMonitorBL free?
BatteryMonitorBL is free to download, with no in-app purchases.
Is Solar Guardian free?
Solar Guardian is free to download, with no in-app purchases.
Which has better reviews, BatteryMonitorBL or Solar Guardian?
BatteryMonitorBL is rated higher. BatteryMonitorBL averages 2.3 out of 5 from 3 ratings, while Solar Guardian averages 2.3 from 17 ratings.
Do BatteryMonitorBL or Solar Guardian have ads?
Neither BatteryMonitorBL nor Solar Guardian shows ads.
Which is updated more often, BatteryMonitorBL or Solar Guardian?
BatteryMonitorBL ships an update every 6 months, and Solar Guardian every 2 months. Most recently, BatteryMonitorBL was updated on October 13, 2026 and Solar Guardian on October 24, 2026.

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