Switch Log

Records ON/OFF of lighting and home appliances, and displays electricity charges in real time. Grasp usage trends with daily and monthly graphs to help you save money on your electricity bill.
Easily record ON/OFF with Siri or NFC tag.

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Features
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- Can check the usage status, electricity cost, and operating time of each item in real time.
- Check your status with widgets on your home screen or lock screen.
- Calculate electricity charges by tier (metered rate), by time zone, and flat rate.
- Compare electricity rates across multiple power contracts.
- Can group items and update ON/OFF collectively.
- Can fix the scale of the graph.
- iCloud allows you to sync your data across multiple devices such as iPhones and iPads.

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Siri and NFC tags
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Add logs and operate items with Siri and NFC tags.
Measuring instruments can be switched with NFC tags.

Note
Items cannot be manipulated directly from this app.
Works with Siri, HomeKit, and other home automation devices like SwitchBot, Nature Remo, TRÅDFRI, and more.
NFC tags are limited to read/write compatible models (iPhone XS or later).

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Electricity price comparison function
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There are contracts where the electricity rate changes depending on the time of day when electricity is used a lot (daytime on weekdays, nighttime, holidays, etc.).
You can compare multiple contracts based on what happens when you change to such a contract.

If you record logs for a long period of time, the tendency of usage that suits you will become clearer.
Let's start by recording and accumulating logs.

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what you can do
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## Dashboard
- Display daily, monthly, and hourly usage graphs and electricity bill graphs.
- Today's current usage status, usage amount and amount ranking, daily/monthly totals, etc.
- Step-by-step, time-of-day, flat-rate electricity bill calculation.
- Can display/hide graphs and set the display order.

## Calendar
- List of daily logs and graphs of power consumption.
- Future power consumption graph.

## Item
- Register items (household appliances and power consumption items) and record ON/OFF for each item (log).
[Item example]
Home appliances: refrigerators, lighting, TVs, air conditioners, computers, air purifiers
Power consumption items: standby power, miscellaneous power (total power of items