Astro Lithium vs MAR
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
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.
- Real-time battery monitoring
- Estimated runtime calculation
- Smart status alerts
- Multi-battery support
- Troubleshooting guides
- Dealer locator
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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.
MAR
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The Mar-AI app streamlines boat manufacturing by integrating hardware, providing real-time data analytics, and leveraging AI insights, all while ensuring seamless connectivity and enhanced operational efficiency.
Screenshots
Verdict
Astro Lithium and MAR are too close to call on the numbers: across 6 compared parameters — price, update cadence, ads and in-app purchases among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.
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.
Astro Lithium ships an update every 5 months, MAR every 3 months. The most recent releases landed on September 20, 2026 and September 22, 2026 respectively.
| Parameter | Astro Lithium | MAR |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (2 ratings) — better | — |
| Number of ratings | 2 — better | — |
| Update frequency | Every 5 months | Every 3 months — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | — |
| Devices | iPhone, iPad, iPod — better | iPhone, iPod |
| Requires iOS | 15.0 — better | 15.6 |
| Further details — not scored | ||
| Size | 17 MB | 84 MB |
| Age rating | 4+ | 4+ |
| Developer | Astro Lithium, LLC | Locmarine Telematics, LLC |
In-app purchases
Astro Lithium
No in-app purchases
MAR
No in-app purchases









