You can check and compare electricity bills with just your smartphone!You can also check simple power saving techniques that you can put into practice right away without having to research them!There is also a quiz function, so you can have fun learning knowledge with your child ♪In addition to power saving, it also compiles knowledge on disaster prevention, so you can quickly respond to disasters with just this app.1. "How to use"→Indicates tips on how to use home appliances that are effective for saving electricity, as well as dangerous ways to use home appliances.2. "countermeasure"→Introducing measures to prevent and deal with home appliance accidents that are likely to occur during disasters.3. "electric bill"→A table showing the average electricity bill for each home appliance depending on usage time and number of usage.4. "Comparison"→Visualize the electricity bill for the month & compare each months electricity bill in a graph5. "quiz"→ Questions are asked in a three-choice quiz format on the power saving and disaster prevention knowledge acquired through the app.*This app is based on information on the Internet and may differ from the facts. note that.