Comparison

TB Battery vs Eclipse Companion

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

Head to head
About

TB Battery

Features
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"The TB Battery APP is specifically designed for Topband batteries and supports information monitoring of individual batteries, as well as battery systems in air connection or wired connection, etc. You can also easily realize the Bluetooth function of the all smart batteris by connecting the Bluetooth module for more comfortable and convenient user experience. 1. Display real-time SOC, voltage, current, capacity, temperature, and other parameter values, and display them in the form of instrument panels and numbers; 2. Display the real-time voltage and alarm status of all single batteries. If the reported parameters trigger the alarm value or protection value, an alarm will be prompted; 3. Record the warnings/protection that occur at each moment.. Real-time alarm for over temperature, over current, over voltage, under voltage. 4.Support lithium battery network configuration Best Regards!,"

About

Eclipse Companion

Features
Read full description

Your guide to the 2 August 2027 Total Solar Eclipse. Eclipse Companion helps you choose where to watch, understand what you'll see, and stay ready on eclipse day. Designed for eclipse observers across Europe, North Africa, Egypt, the Mediterranean, and the wider 2027 eclipse path, the app brings together precise local eclipse timings, totality path guidance, location comparison tools, live eclipse simulation, weather context, horizon checks, phase-specific reminders, and a home screen countdown widget in one focused experience. Available in English, Spanish, Portuguese, and Romanian, with more languages planned. Choose your eclipse • Switch between upcoming and past eclipse events • Keep the 12 August 2026 eclipse available for reference • View eclipse timing, visibility, and path details for supported locations Plan the best viewing spot • Check whether a city is inside the path of totality • See maximum eclipse time for supported locations • View totality duration where applicable • Compare candidate viewing locations • Discover Best Spot and Great Spot recommendations • Sort cities by duration, altitude, weather, and viewing quality • Browse expanded city coverage across southern Spain, Portugal, Sardinia, Sicily, southern Italy, Greece, Crete, nearby islands, North Africa, Egypt, and all European capitals Track the countdown • Add a home screen widget in small, medium, or large size • Always shows your selected city and the time remaining to the selected eclipse • Updates automatically when you change your city in the app Check the horizon • Use Horizon Check to understand where the eclipse appears in the sky • See live compass direction toward maximum eclipse • Use the altitude gauge and device-level horizon line to judge low-horizon viewing • Review curated Horizon Labels for selected cities and coastal/open-view locations • Get practical guidance for avoiding buildings, trees, ridgelines, and blocked views Check weather context • Hourly cloud-cover overview near key viewing times • Expand for detailed hourly forecast information • Compare weather context across locations • Review historical cloud conditions for selected cities • Use 2 August historical weather data to compare viewing prospects for 2027 locations Preview the eclipse before it happens • Real-time animated Sun and Moon alignment • Preview Mode to explore each eclipse phase in advance • Visual markers for key eclipse moments Stay ready • Phase-specific reminders before important eclipse moments • Alerts for first contact, maximum eclipse, totality start, and totality end where applicable • Built-in eye-safety guidance for responsible eclipse viewing

Screenshots

TB Battery3 screens
Eclipse Companion4 screens

Verdict

The call

The clearest difference is price: TB Battery at Free against Eclipse Companion's $3.99. TB Battery also leads on iOS requirement (13.0 vs 18.0). Eclipse Companion's advantage is update cadence (weekly vs every 14 months). On ads, in-app purchases and device support there is nothing between them.

Scored on Price Ā· Rating Ā· Positive reviews Ā· Number of ratings Ā· Update frequency Ā· Ads Ā· In-app purchases Ā· Monetization Ā· Best chart rank Ā· Devices Ā· Requires iOS

CostPrice Ā· In-app purchases Ā· Ads Ā· Monetization

TB Battery is free to download; Eclipse Companion costs $3.99 up front. Neither carries in-app purchases, so what you see is what you pay.

UpkeepUpdate frequency

TB Battery ships an update every 14 months, Eclipse Companion weekly. The most recent releases landed on September 30, 2026 and October 2, 2026 respectively.

Scorecard3 real differences Ā· 3 level
TB Battery versus Eclipse Companion: the parameters behind the verdict, then further details
ParameterTB BatteryEclipse Companion
PriceFree — better$3.99
Update frequencyEvery 14 monthsWeekly — better
AdsNoNo
In-app purchasesNoNo
DevicesiPhone, iPodiPhone, iPad
Requires iOS13.0 — better18.0
Further details — not scored
Size20 MB8 MB
Age rating4+4+
DeveloperShenzhen Topband Co.,LtdBogdan Cateriniuc

In-app purchases

None

TB Battery

No in-app purchases

None

Eclipse Companion

No in-app purchases

Questions

Is TB Battery free?
TB Battery is free to download, with no in-app purchases.
Is Eclipse Companion free?
Eclipse Companion costs $3.99, with no in-app purchases.
Do TB Battery or Eclipse Companion have ads?
Neither TB Battery nor Eclipse Companion shows ads.
Which is updated more often, TB Battery or Eclipse Companion?
TB Battery ships an update every 14 months, and Eclipse Companion weekly. Most recently, TB Battery was updated on September 30, 2026 and Eclipse Companion on October 2, 2026.

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