Comparison

RekersSimplyConnect vs APEXpulse Battery Control

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

Head to head
About

RekersSimplyConnect

Features
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RekersSimplyConnect (RSC) is the perfect interface between you and your REKERS service technicians. RSC offers you - Live video streaming - Voice over IP communication - Image capturing and data transmission - Chat function - Easy spare parts odering

About

APEXpulse Battery Control

Features
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Know exactly what your Marstek Venus E battery is doing. APEXpulse gives you real-time monitoring, detailed diagnostics, historical insights, and direct control over your battery. Go beyond the basic numbers to understand how your battery is performing, spot potential problems early, and take control of how and when it charges. โ€ข Monitor live battery and AC power, state of charge, backup power, electrical data, and system status โ€ข Follow live trends with mini graphs throughout the battery overview โ€ข Track battery vitality, including temperatures, cell balance, cycle count, and real-time efficiency โ€ข Inspect all 16 battery cells individually and quickly spot weak or imbalanced cells โ€ข Explore detailed historical graphs for power, voltage, current, frequency, temperatures, cell balance, and more โ€ข Control charging, discharging, state of charge targets, backup power, and power limits directly from the app โ€ข Create and manage charge and discharge schedules with an intuitive visual editor โ€ข Review pending control changes before writing them to your battery โ€ข Manage multiple batteries from one place โ€ข Learn what the numbers mean with built-in explanations and battery diagnostics โ€ข Use APEXpulse in English, Dutch, or German Built for Marstek Venus E 3.0 batteries using Modbus TCP. Whether you want a quick look at what your battery is doing right now or a deeper understanding of its performance and health, APEXpulse puts the information and controls in one place. APEXpulse is an independent application and is not affiliated with or endorsed by Marstek Energy Co.

Screenshots

RekersSimplyConnect2 screens
APEXpulse Battery Control4 screens

Verdict

The call

The clearest difference is in-app purchases: RekersSimplyConnect at none against APEXpulse Battery Control's 1. RekersSimplyConnect also leads on device support (3 vs 1) and iOS requirement (15.0 vs 18.0). APEXpulse Battery Control's advantage is update cadence (every 6 days vs every 15 months). On price and ads 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

CostPrice ยท In-app purchases ยท Ads ยท Monetization

Both are free to download. APEXpulse Battery Control sells 1 one-off in-app purchase. RekersSimplyConnect asks for nothing beyond the download.

UpkeepUpdate frequency

RekersSimplyConnect ships an update every 15 months, APEXpulse Battery Control every 6 days. The most recent releases landed on May 19, 2026 and September 14, 2026 respectively.

Scorecard4 real differences ยท 2 level
RekersSimplyConnect versus APEXpulse Battery Control: the parameters behind the verdict, then further details
ParameterRekersSimplyConnectAPEXpulse Battery Control
PriceFreeFree
Update frequencyEvery 15 monthsEvery 6 days โ€” better
AdsNoNo
In-app purchasesNo โ€” betterYes
DevicesiPhone, iPad, iPod โ€” betteriPhone
Requires iOS15.0 โ€” better18.0
Further details โ€” not scored
Size78 MB4 MB
Age rating4+4+
DeveloperRekers GmbH Maschinen- und AnlagenbauAPEXone bv

In-app purchases

None

RekersSimplyConnect

No in-app purchases

1 purchases

APEXpulse Battery Control

One-time1
  • APEXpulse Pro Unlock$12.99

Questions

Is RekersSimplyConnect free?
RekersSimplyConnect is free to download, with no in-app purchases.
Is APEXpulse Battery Control free?
APEXpulse Battery Control is free to download, with in-app purchases available.
Do RekersSimplyConnect or APEXpulse Battery Control have ads?
Neither RekersSimplyConnect nor APEXpulse Battery Control shows ads.
Which is updated more often, RekersSimplyConnect or APEXpulse Battery Control?
RekersSimplyConnect ships an update every 15 months, and APEXpulse Battery Control every 6 days. Most recently, RekersSimplyConnect was updated on May 19, 2026 and APEXpulse Battery Control on September 14, 2026.

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