Comparison

Voltcraft SEM6000 vs EHW+

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

Head to head
About

Voltcraft SEM6000

Control plug-in devices remotely from your smartphone or tablet. Monitor real-time and historical power consumption to identify energy waste and save on electricity bills. Create a safer, more responsive home environment and promote eco-awareness.

Highlights
  • Remote device control
  • Real-time power consumption monitoring
  • Historical power usage data
  • Identify power vampires
  • Energy saving insights
  • Eco-awareness promotion
Features
Read full description

Direct connection and remote control of the devices in your home. SmartMeter enables you to control your plug-in devices remotely with a smart phone or tablet. –SmartMeter key features: - Remote control – Turn your PC, lamp, fan, coffee machine or any other plug-in device directly from your phone or tablet. - Power Consumption – Measure the power consumption of your device in real-time or check the history consumption of the past hours, days and months. SmartMeter enables you to create a safe and responsive environment in your house. SmartMeter products encourage eco-awareness and environmentally friendly attitude by providing the solutions to being aware and in control of the power consumption in your house and thereby letting you save on the electricity bills! Locate and eliminate power vampires and standby power. Through our mobile app one is able to easily control the devices from the palm of their hand. Connect the device to your phone – Control the devices in your home – Conserve energy and save on expenses.

About

EHW+

Track and analyze your electricity, heating, and water consumption to reduce utility costs and environmental impact. Monitor various meter types, view cost overviews, and receive tips for saving energy. Supports multiple properties and household members.

Highlights
  • Record and evaluate meter readings
  • Track electricity, heating, and water usage
  • Cost overview and consumption analysis
  • Support for various meter types
  • Data import/export and cloud sync
  • Manage multiple properties and users
  • Dark mode support
Features
Read full description

Reduce utility costs & protect the environment Recording and evaluating meter readings Be a climate hero now and use the app The free app EHW+ makes it possible to find out about one's own consumption of electricity, heating and water and the ancillary costs in order to better assess and regulate them. This is good for the wallet and good for the climate. Supported: * Electricity meters (also HT/NT meters). * Water meters (hot water/cold water) * Radiators with evaporator * Oil heating systems * Gas heating systems * Photovoltaic systems/solar systems (electricity feed-in meter*) * Water extraction meter*. Free basic functions: * All meters and readings in one app: there is no limit to how many meters or meter readings you can store. * Minute-by-minute entries and calculations: You determine yourself when you read the meter readings. All calculations are made to the minute. * Cost overview: What does it cost to fill a bathtub? What is the impact of a rising oil price/gas price? See if the cost of electricity/power consumption increases or decreases. * News/tips around utility costs/eco-electricity/climate change. * Meter replacement: The app automatically detects when a meter has been replaced. * Monthly consumption for the last twelve months * Cost calculation based on price per unit * Analyze whether your electricity/water consumption is high or low compared to the German average * Find out which room is heated the most. Assign a room to a meter if it only represents consumption in one room (e.g., two water meters for the bathroom only) * NEW: Compare activities like washing/showering/dishwasher/... * Use the app in dark mode (optional) Import/Export/Sync: * Save meter readings as JSON file (suitable for import). * Import existing meter readings via CSV file * Export all meter readings of your housing unit as a table file*. * Synchronize all your properties in the cloud (optional) * All household members have access to the data Other: * Support for water deduction meters*. * Manage as many residential units as you like*. * Vote on which feature to develop next. Feedback: The app was developed as recently as December 2020. Feedback on the app is highly welcome. * Paid (InApp purchase or monthly subscription). Privacy Manager: https://app.ehwplus.com/#/consent Privacy terms: https://app.ehwplus.com/#/privacy Terms of usage: https://app.ehwplus.com/#/terms

Screenshots

Voltcraft SEM60004 screens
EHW+4 screens

Verdict

The call

The clearest difference is review sentiment: EHW+ at 95% against Voltcraft SEM6000's 56%. EHW+ also leads on update cadence (every 10 days vs every 3 months). Voltcraft SEM6000's advantage is in-app purchases (none vs 8) and iOS requirement (12.0 vs 15.6). On price, ads 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. EHW+ sells 8 in-app purchases, starting at $0.99 per month. Voltcraft SEM6000 asks for nothing beyond the download.

UpkeepUpdate frequency

Voltcraft SEM6000 ships an update every 3 months, EHW+ every 10 days. The most recent releases landed on August 5, 2026 and September 21, 2026 respectively.

Scorecard5 real differences · 5 level
Voltcraft SEM6000 versus EHW+: the parameters behind the verdict, then further details
ParameterVoltcraft SEM6000EHW+
PriceFreeFree
Rating—5.0 (1 ratings) — better
Positive reviews55.8% of reviews95.2% of reviews — better
Number of ratings—1 — better
Update frequencyEvery 3 monthsEvery 10 days — better
AdsNoNo
In-app purchasesNo — betterYes
MonetizationFree — betterFree with in-app purchases
DevicesiPhone, iPodiPhone, iPad, iPod — better
Requires iOS12.0 — better15.6
Further details — not scored
Size7 MB110 MB
Age rating4+9+
DeveloperCEI Conrad Electronic International (HK) LimitedTimo Baehr

Customer experience

Voltcraft SEM6000

Written reviews52 reviews
Positive55.8%
Neutral19.2%
Negative25.0%

EHW+

All ratings1 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews21 reviews
Positive95.2%
Neutral4.8%
Negative0.0%

In-app purchases

None

Voltcraft SEM6000

No in-app purchases

8 purchases

EHW+

Subscriptions4
  • Premium$0.991 Month
  • Monthly subscription$1.991 Month
  • Premium Yearly$7.491 Year
Show 1 more
  • Annual subscription$8.991 Year
One-time4
  • Water extraction meter$3.99
  • Einspeiszähler für PV-Anlagen$3.99
  • Multiple objects$4.99
Show 1 more
  • Further statistics$8.99

Questions

Is Voltcraft SEM6000 free?
Voltcraft SEM6000 is free to download, with no in-app purchases.
Is EHW+ free?
EHW+ is free to download, with in-app purchases available.
Do Voltcraft SEM6000 or EHW+ have ads?
Neither Voltcraft SEM6000 nor EHW+ shows ads.
Which is updated more often, Voltcraft SEM6000 or EHW+?
Voltcraft SEM6000 ships an update every 3 months, and EHW+ every 10 days. Most recently, Voltcraft SEM6000 was updated on August 5, 2026 and EHW+ on September 21, 2026.

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