電力需給 vs Switch Log
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
電力需給
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【概要】 近年、猛暑や厳冬により電力需要が増えております。 その対策に全国の電力会社別 電力需要の見える化を実施し、少しでもお力になればと思い作成しました。 日本全国各エリアの電力会社(一般送配電事業者)が提供する最新の電力使用状況(電力需要)を基に、「電力使用量 / 供給力(電力使用率)」を示します。 【主な機能】 ・各電力会社の情報 ・電力需要情報 (実績 / 使用率) ・気温情報(3時間毎) 今後も機能など増やしていきます! 「こんな機能が欲しい」「こうしたら使いやすいのに」等々、ご要望があればコメントをどうぞ!
Switch Log
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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. --------------- Features --------------- - 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. --------------- Siri and NFC tags --------------- 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). --------------- Electricity price comparison function --------------- 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. --------------- what you can do --------------- ## 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 that are only used for a short time at a time) - Can check the operating status of each item and electricity charges in a list. - Switch display/hide for each item. (Useful for hiding things you don't use often.) - Register the mode of the item and calculate the power consumption for each mode. [Mode example] Fan → Weak (15W), Medium (25W), Strong (40W) - Can register a series of actions of an item as an action and record each action in one operation. - Display log list and graph (by day/month) for each item. - Add Siri Shortcuts. - Can write NFC tags. ## Cost - Register electricity contracts and record monthly bills. (Power consumption and electricity bill) - Can register and record electricity bill details. (Basic charge, fuel cost adjustment amount, etc.) - Register multiple unit price application periods in case the unit price varies even for the same contract. ## Device - Can register multiple instruments and add records while switching. - Can add a memo if you measure another item with the same instrument. ## Groups - Can group items that you always use together, items in the same room, etc. - One item can be registered in multiple groups. - Add Siri shortcuts and write NFC tags. - Can batch update grouped items. (Siri and NFC are also possible) --------------- About subscriptions and paid features --------------- Please refer to the following for the terms and conditions for using subscriptions and paid functions. 1. Privacy Policy: https://gsoft.jp/privacypolicy/ 2. Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/
Screenshots
Verdict
The clearest difference is update cadence: Switch Log at every 2 weeks against 電力需給's monthly. 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
Both are free to download. 電力需給 sells 1 one-off in-app purchase and Switch Log sells 8 in-app purchases, starting at $0.99 per year. Whichever you choose, the download price is not the number that matters.
電力需給 ships an update monthly, Switch Log every 2 weeks. The most recent releases landed on October 30, 2026 and October 25, 2026 respectively.
| Parameter | 電力需給 | Switch Log |
|---|---|---|
| Price | Free | Free |
| Update frequency | Monthly | Every 2 weeks — better |
| Ads | Yes | Yes |
| In-app purchases | Yes | Yes |
| Devices | iPhone, iPad, iPod — better | iPhone, iPad |
| Requires iOS | 15.6 — better | 16.0 |
| Further details — not scored | ||
| Size | 57 MB | 18 MB |
| Age rating | 4+ | 4+ |
| Developer | hidehiko aihara | G-SOFT |
In-app purchases
電力需給
- アプリケーション開発者への応援募金$1.99
Switch Log
- Hide ads (Annual amount)$0.991 Year
- Additional graphs (Yearly)7 Days trial$0.991 Year
- Additional graphs (One Month)$0.99
- Siri shortcut for Remo API$0.99
- Hide ads (Unlimited)$1.99
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- Item history$1.99
- Additional graphs (Unlimited)$2.99
- Electricity price comparison$3.99








