TBB BM500 vs MainTarget
Price, ratings, monetisation and update history for both apps, side by side โ with what reviewers say about each.
TBB BM500
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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%
MainTarget
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Everything you need for fishing with Panoptix LiveScope & ActiveTarget Live Sonar
Screenshots
Verdict
The clearest difference is update cadence: MainTarget at fortnightly against TBB BM500's every 6 months. TBB BM500's advantage is iOS requirement (11.0 vs 17.6). On price, ads, in-app purchases and device support there is nothing between them.
Scored on Price ยท Rating ยท Positive reviews ยท Number of ratings ยท Update frequency ยท Ads ยท In-app purchases ยท Monetization ยท Best chart rank ยท Devices ยท Requires iOS
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
TBB BM500 ships an update every 6 months, MainTarget fortnightly. The most recent releases landed on May 17, 2026 and September 10, 2026 respectively.
| Parameter | TBB BM500 | MainTarget |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 6 months | Fortnightly โ better |
| Ads | No | No |
| In-app purchases | No | No |
| Devices | iPhone, iPod โ better | iPhone |
| Requires iOS | 11.0 โ better | 17.6 |
| Further details โ not scored | ||
| Size | 31 MB | 28 MB |
| Age rating | 4+ | 4+ |
| Developer | TBB Power Co., Ltd | Dmitriy Polushin |
In-app purchases
TBB BM500
No in-app purchases
MainTarget
No in-app purchases









