Comparison

Smart vs Voltcraft SEM6000

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

Head to head
About

Smart

Monitor and control energy consumption with this Bluetooth-connected meter socket. Track voltage, current, wattage, and power factor in real-time. Forecast energy costs and set custom timers or overload protection.

Highlights
  • Real-time energy data (Voltage, Current, Wattage, Power Factor)
  • Energy consumption history and graph
  • Energy cost forecasting and estimation
  • Support for multiple energy meters
  • Programmable socket features (Timer, Scheduler, Overload protection)
Features
Read full description

Smart-Energy-Meter is a Bluetooth 4.0 connected Energy Meter Socket. It can seamlessly transmit your energy data: Voltage, Current, Wattage, Power Factor… to your Smart Phone. Besides, your Smart Phone can be your controller for the Socket. Features Record energy data: Voltage, Current, Wattage, Power Factor Energy consumption: History and Graph Display of minutes and hours Energy Cost: Forecast and Cost estimation of daily, monthly, yearly Support multi energy meter measurement at real time Set program to Socket: Timer, Scheduler, Overload protection, Low Standby power cut off Compatibility iPhone 4S, iPhone 5, iPhone5S, iPhone 5C, iPhone 6, iPhone 6 Plus iPod Touch 5th generation iPad 3rd generation (New iPad) iPad mini Requirement iOS 7.0 or later App Demo http://youtu.be/e5Sik6YCRu0

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.

Screenshots

Smart4 screens
Voltcraft SEM60004 screens

Verdict

The call

The clearest difference is review sentiment: Voltcraft SEM6000 at 56% against Smart's 28%. Voltcraft SEM6000 also leads on update cadence (every 3 months vs every 8 months). Smart's advantage is iOS requirement (8.0 vs 12.0). On price, ads, in-app purchases and monetization model there is nothing between them.

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

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

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

UpkeepUpdate frequency

Smart ships an update every 8 months, Voltcraft SEM6000 every 3 months. The most recent releases landed on October 18, 2026 and October 22, 2026 respectively.

Scorecard3 real differences Β· 5 level
Smart versus Voltcraft SEM6000: the parameters behind the verdict, then further details
ParameterSmartVoltcraft SEM6000
PriceFreeFree
Positive reviews27.6% of reviews55.8% of reviews β€” better
Update frequencyEvery 8 monthsEvery 3 months β€” better
AdsNoNo
In-app purchasesNoNo
MonetizationFreeFree
DevicesiPhone, iPodiPhone, iPod
Requires iOS8.0 β€” better12.0
Further details β€” not scored
Size2 MB7 MB
Age rating4+4+
DeveloperConrad Electronic SECEI Conrad Electronic International (HK) Limited

Customer experience

Smart

Written reviews29 reviews
Positive27.6%
Neutral10.3%
Negative62.1%

Voltcraft SEM6000

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

In-app purchases

None

Smart

No in-app purchases

None

Voltcraft SEM6000

No in-app purchases

Questions

Is Smart free?
Smart is free to download, with no in-app purchases.
Is Voltcraft SEM6000 free?
Voltcraft SEM6000 is free to download, with no in-app purchases.
Do Smart or Voltcraft SEM6000 have ads?
Neither Smart nor Voltcraft SEM6000 shows ads.
Which is updated more often, Smart or Voltcraft SEM6000?
Smart ships an update every 8 months, and Voltcraft SEM6000 every 3 months. Most recently, Smart was updated on October 18, 2026 and Voltcraft SEM6000 on October 22, 2026.

Other comparisons