SIMARINE vs Projecta BM500
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
SIMARINE
Monitor your boat's power consumption and tank levels with this application. Adjust settings and update your hardware remotely for seamless vessel management.
- Monitor power usage
- Monitor tank levels
- Adjust settings
- Update hardware
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With Simarine App, you can easily monitor power usage, tank levels, adjust settings, and even update your hardware to the latest version.
Projecta BM500
This kit allows users to monitor their battery systems, displaying key information like current, voltage, state of charge, and remaining time. It is compatible with various battery types and voltages, offering accurate measurements for a comprehensive understanding of battery health.
- Real-time current monitoring up to 500A
- Supports 12V, 24V, or 48V DC battery systems
- Compatible with AGM, GEL, and LFP batteries
- Displays voltage, SOC, and time remaining
- Accurate current (+/- 0.4%) and voltage (+/- 0.3%) measurements
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TBB'battery monitor kit is composed by a battery shunt and a monitor which allow the user to fully understand his/her battery. Here is some quick facts of this kit: 1) Measurement current is up to 500A 2) Is able to work with battery (or battery bank) 12Vdc, 24Vdc or 48Vdc 3) Compatible with AGM, GEL or LFP battery 4) An elegant design monitor to display battery information such as current, voltage, SOC, time remaining etc. 5) The monitor could be installed at any location where with easy access to users 6) Measurement accuracy: Current: +/- 0.4% Voltage: +/- 0.3%
Screenshots
Verdict
The clearest difference is update cadence: SIMARINE at every 3 weeks against Projecta BM500's every 7 months. SIMARINE also leads on review sentiment (8% vs 0%). On price, ads, in-app purchases and monetization model 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.
SIMARINE ships an update every 3 weeks, Projecta BM500 every 7 months. The most recent releases landed on September 10, 2026 and July 5, 2026 respectively.
| Parameter | SIMARINE | Projecta BM500 |
|---|---|---|
| Price | Free | Free |
| Positive reviews | 8.0% of reviews — better | 0.0% of reviews |
| Update frequency | Every 3 weeks — better | Every 7 months |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone, iPod | iPhone, iPod |
| Requires iOS | 12.2 — better | 13.0 |
| Further details — not scored | ||
| Size | 120 MB | 24 MB |
| Age rating | 4+ | 4+ |
| Developer | SIMARINE | TBB Power Co., Ltd |
Customer experience
SIMARINE
Projecta BM500
In-app purchases
SIMARINE
No in-app purchases
Projecta BM500
No in-app purchases
