BTワットチェッカー vs Yoshino
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
BTワットチェッカー
Monitor and control power consumption with real-time data visualization. Convert energy usage into electricity costs and CO2 emissions, with historical data presented in graphs. Save measurement data to CSV files and remotely manage power ON/OFF.
- Real-time power, current, and voltage display
- Convert energy usage to cost and CO2 emissions
- Historical data in bar graphs (hourly, daily, monthly, yearly)
- Save measurement data to CSV
- Remote power ON/OFF control
Read full descriptionHide full description
【1】 アプリケーション概要 ラトックシステムのワットチェッカーRS-BTWATTCH2で計測された消費電力など各種データの表示と電源ON・OFF操作をするアプリケーションです。 【2】 特徴 ● 消費電力・電流・電圧をリアルタイム表示 ● 消費電力量を電気料金・CO2排出量に換算表示 ● 1時間・１日・1ヶ月・1年単位で棒グラフ表示 ● 計測データをCSVファイル保存 ● 電源ON/OFF操作
Yoshino
Control your YOSHINO energy storage device with a simple interface. Bind your device via Bluetooth and Wi-Fi to monitor charging and discharging status, view device data, and adjust settings like charging limits and standby time. Customize temperature units and system language.
- Device binding via Bluetooth and Wi-Fi
- Monitor charging and discharging status
- View device data and parameters
- Control device ports
- Adjust device settings (nickname, Wi-Fi, limits)
- Customize temperature units and language
Read full descriptionHide full description
Design of YOSHINO Connect APP is simple and easy to operate. It can be used to control your YOSHINO energy storage device. Users can log in through a third-party method ( you need to bind your email after logging in ), or you can log in directly through your email. Device binding process: 1. Click the binding "+" button on the main page 2. Search Bluetooth 3. Enter the correct wifi password (please verify the correctness of the wifi account password!) 4. Prompt that the binding is successful 5. View device information The device is bound through Bluetooth, and the entered WI-FI account password is confirmed to be correct to prevent the device from being unable to go online normally. After the device is successfully bound, you can view the relevant data and parameters of the device , and you can view the charging and discharging status data. The device can control the corresponding port through the control button , and display the output status and data of the port . Enter the device setting interface to view the device setting parameters. Including: device nickname, modify wifi, charging upper limit, discharging lower limit, button sound, device standby time, screen off time, firmware, help center, device specifications. In system settings, including temperature unit, system language. In account settings, there are some basic personal information settings.
Screenshots
Verdict
The clearest difference is update cadence: Yoshino at every 6 weeks against BTワットチェッカー's every 3 months. Yoshino also leads on iOS requirement (13.0 vs 15.6). BTワットチェッカー's advantage is review sentiment (36% vs 25%). On price, ads, in-app purchases and monetization model 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. Neither carries in-app purchases, so what you see is what you pay.
BTワットチェッカー ships an update every 3 months, Yoshino every 6 weeks. The most recent releases landed on October 25, 2026 and October 7, 2026 respectively.
| Parameter | BTワットチェッカー | Yoshino |
|---|---|---|
| Price | Free | Free |
| Rating | — | 2.4 (11 ratings) — better |
| Positive reviews | 35.7% of reviews — better | 25.0% of reviews |
| Number of ratings | — | 11 — better |
| Update frequency | Every 3 months | Every 6 weeks — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 15.6 | 13.0 — better |
| Further details — not scored | ||
| Size | 3 MB | 25 MB |
| Age rating | 4+ | 4+ |
| Developer | RATOC Systems, Inc. | Suzhou Yaxinneng Power Technology Co., Ltd. |
Customer experience
BTワットチェッカー
Yoshino
In-app purchases
BTワットチェッカー
No in-app purchases
Yoshino
No in-app purchases
