Comparison

eSterownik vs AP CAT

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

Head to head
About

eSterownik

Remotely manage your solid fuel boiler from Elektro-System. Monitor heating parameters, control room temperatures, and view system statistics and alarms. Supports various controller models for comprehensive home heating management.

Highlights
  • Customizable heating parameter view
  • Graphical installation diagram
  • Individual room temperature control
  • Access to detailed controller settings
  • Parameter change graphs
  • Fuel consumption and cost statistics
  • Alarm and event display
Features
Read full description

eSterownik is an application that allows remote access to solid fuel boiler controllers from Elektro-System: eCoal v. 3.5, bruli v. 3.5, Defro SMART II 3.5, and Pello. It offers the following features: • Customizable view of the most essential heating system parameters, • A graphical diagram of the installation along with real-time system parameter values, • The ability to control heating in each room individually, as well as monitor temperature and humidity (requires the installation of an additional radio module and thermostat heads on radiators or other heat-distributing devices in individual rooms, with optional temperature and humidity sensors), • Support for additional actuating devices, such as underfloor heating strips or relays, • Access to detailed controller settings, • Graphs to review changes in selected parameters over time, • Statistics on power, fuel consumption, and costs over selected periods, • Display of alarms and events, server notification settings, and the ability to assign permissions to other users.

About

AP CAT

Read full description

Auto Partner SA is a dynamically developing importer and distributor of spare parts for cars, light commercial vehicles and motorcycles as well as workshop equipment. Its customers may order goods not only via online catalogues, but also through the APCAT mobile application. The APCAT app offers an intuitive and quick overview of car and motorcycle parts from among nearly 300,000 articles available for sale at Auto Partner. It allows searching by different criteria: - AP’s commodity code, - manufacturer’s code, - OE part number, - EAN barcode, - name or synonym. Search results may be filtered by product group, manufacturer, place of installation and according to other criteria specified for each product. The application enables quick selection of parts according to the TecDoc product map and intuitive Fast Click icons redirecting to selected product groups. The app displays the closing time for the next route. The user-friendly cart allows to place the orders easily and special notifications remind about orders that are yet to be completed.

Screenshots

eSterownik3 screens
AP CAT4 screens

Verdict

The call

The clearest difference is update cadence: eSterownik at every 2 months against AP CAT's every 5 months. AP CAT's advantage is iOS requirement (11.0 vs 13.0). On price, ads, in-app purchases and device support 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

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

UpkeepUpdate frequency

eSterownik ships an update every 2 months, AP CAT every 5 months. The most recent releases landed on September 9, 2026 and September 8, 2026 respectively.

Scorecard2 real differences · 8 level
eSterownik versus AP CAT: the parameters behind the verdict, then further details
ParametereSterownikAP CAT
PriceFreeFree
Rating2.0 (1 ratings) — better—
Positive reviews7.7% of reviews—
Number of ratings1 — better—
Update frequencyEvery 2 months — betterEvery 5 months
AdsNoNo
In-app purchasesNoNo
MonetizationFree—
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS13.011.0 — better
Further details — not scored
Size10 MB26 MB
Age rating4+4+
DeveloperElektro-System s.c.DVSE GmbH

In-app purchases

None

eSterownik

No in-app purchases

None

AP CAT

No in-app purchases

Questions

Is eSterownik free?
eSterownik is free to download, with no in-app purchases.
Is AP CAT free?
AP CAT is free to download, with no in-app purchases.
Do eSterownik or AP CAT have ads?
Neither eSterownik nor AP CAT shows ads.
Which is updated more often, eSterownik or AP CAT?
eSterownik ships an update every 2 months, and AP CAT every 5 months. Most recently, eSterownik was updated on September 9, 2026 and AP CAT on September 8, 2026.

Other comparisons