Comparison

Solarpeak vs Astro Lithium

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

Head to head
About

Solarpeak

Features
Read full description

The Apps main feature is to monitor the details of the Solarpeak Lithium batteries. It can monitor multiple batteries at the same time, showing the main data details after series or parallel, showing details of each battery. Re-nameable each battery pack and auto-connect. The Phone via Bluetooth connectivity will monitor the following information from the battery. Battery Capacity Battery Voltage Battery Current (Amps) Battery State of Charge (SOC) Battery Status Individual Cell Voltage Battery Temperature Battery Cycles Please Note: Only one mobile device can connect to the battery at any one time. If you wish to connect a second device to the battery, you must close the program on the first device. This app is only applicable to the Solarpeak Lithium batteries and will not work with any other brand/type of Bluetooth battery monitoring system, nor will any other branded app work with the Solarpeak lithium battery.

About

Astro Lithium

Monitor your Astro Lithium battery status in real time via Bluetooth. View state of charge, voltage, current, temperature, and estimated runtime. Receive smart alerts and manage multiple batteries.

Highlights
  • Real-time battery monitoring
  • Estimated runtime calculation
  • Smart status alerts
  • Multi-battery support
  • Troubleshooting guides
  • Dealer locator
Features
Read full description

Monitor your Astro Lithium battery in real time from your phone. Connect to any Astro Lithium battery via Bluetooth and instantly see your state of charge, voltage, current, temperature, power output, charge cycles, and estimated runtime remaining. FEATURES Real-Time Monitoring: See voltage, current, temperature, power, and state of charge updated live every two seconds. Estimated Runtime: Know how much battery life you have left. Uses a rolling average to give you a stable estimate even with variable loads like trolling motors. Smart Status Alerts: The app tells you exactly what your battery is doing. Idle, charging, discharging, fully charged, or low battery. If a protection event occurs, you get a plain-language explanation of what happened and what to do. Multi-Battery Support: Connect to multiple Astro Lithium batteries at once. Name each one (Trolling Motor, House Bank, etc.) so you always know which is which. Works With All Astro Lithium Batteries: Compatible with all bluetooth enabled Astro Lithium systems across our entire 12V, 24V, 36V, and 48V lineup. Built-In Support: Access troubleshooting guides, product manuals, dealer locator, and contact us directly from inside the app. Designed and built by Astro Lithium in Macclenny, Florida.​​​​​​​​​​​​​​​​

Screenshots

Solarpeak4 screens
Astro Lithium3 screens

Verdict

The call

The clearest difference is update cadence: Astro Lithium at every 5 months against Solarpeak's every 41 months. Solarpeak's advantage is iOS requirement (12.0 vs 15.0). 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

CostPrice · In-app purchases · Ads · Monetization

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

UpkeepUpdate frequency

Solarpeak ships an update every 41 months, Astro Lithium every 5 months. The most recent releases landed on September 11, 2026 and September 20, 2026 respectively.

Scorecard2 real differences · 7 level
Solarpeak versus Astro Lithium: the parameters behind the verdict, then further details
ParameterSolarpeakAstro Lithium
PriceFreeFree
Rating—5.0 (2 ratings) — better
Number of ratings—2 — better
Update frequencyEvery 41 monthsEvery 5 months — better
AdsNoNo
In-app purchasesNoNo
Monetization—Free
DevicesiPhone, iPodiPhone, iPad, iPod — better
Requires iOS12.0 — better15.0
Further details — not scored
Size43 MB17 MB
Age rating4+4+
DeveloperE&JtechnologyAstro Lithium, LLC

In-app purchases

None

Solarpeak

No in-app purchases

None

Astro Lithium

No in-app purchases

Questions

Is Solarpeak free?
Solarpeak is free to download, with no in-app purchases.
Is Astro Lithium free?
Astro Lithium is free to download, with no in-app purchases.
Do Solarpeak or Astro Lithium have ads?
Neither Solarpeak nor Astro Lithium shows ads.
Which is updated more often, Solarpeak or Astro Lithium?
Solarpeak ships an update every 41 months, and Astro Lithium every 5 months. Most recently, Solarpeak was updated on September 11, 2026 and Astro Lithium on September 20, 2026.

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