Comparison

WFワットチェッカー vs Life＋Developer

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

Head to head

About

WFワットチェッカー

Features

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ラトックシステムのWi-FiワットチェッカーRS-WFWATTCH1専用アプリ。消費電力、電圧、電流、電気料金などをスマホからリアルタイムでチェック。グラフ表示やCSV書き出し、電源ON/OFFも可能。 ■主な機能消費電力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時間単位、1日、1か月単位で推移をグラフ表示測定データのCSV書出しスマホからの電源ON/OFF

About

Life＋Developer

Features

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Life+ Developer redefines the way people think about IoE (Internet of Energy) and IoT service. Life+ Developer is designed to provide a smart, satisfied and safe service in your daily life. News feed delivers upgraded experience to easily manage your electricity data. The UI card design helps you control smart home appliances with a single tap on your smartphone. Life+ Developer is not just a HEMS (Home Energy Management System). Life+ Developer provides useful insights for greater energy savings and dozens of advanced IoE services for your family, making your life easier and safer.

Screenshots

WFワットチェッカー3 screens

Life＋Developer3 screens

Verdict

The call

The clearest difference is update cadence: Life＋Developer at fortnightly against WFワットチェッカー's every 2 months. 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

CostPrice · In-app purchases · Ads · Monetization

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

UpkeepUpdate frequency

WFワットチェッカー ships an update every 2 months, Life＋Developer fortnightly. The most recent releases landed on September 9, 2026 and September 15, 2026 respectively.

Scorecard1 real difference · 5 level

WFワットチェッカー versus Life＋Developer: the parameters behind the verdict, then further details
Parameter	WFワットチェッカー	Life＋Developer
Price	Free	Free
Update frequency	Every 2 months	Fortnightly — better
Ads	No	No
In-app purchases	No	No
Devices	iPhone, iPad, iPod — better	iPhone, iPod
Requires iOS	12.0 — better	13.0
Further details — not scored
Size	25 MB	84 MB
Age rating	4+	4+
Developer	RATOC Systems, Inc.	NextDrive Co.

In-app purchases

None

WFワットチェッカー

No in-app purchases

None

Life＋Developer

No in-app purchases

Questions

Is WFワットチェッカー free?

WFワットチェッカー is free to download, with no in-app purchases.

Is Life＋Developer free?

Life＋Developer is free to download, with no in-app purchases.

Do WFワットチェッカー or Life＋Developer have ads?

Neither WFワットチェッカー nor Life＋Developer shows ads.

Which is updated more often, WFワットチェッカー or Life＋Developer?

WFワットチェッカー ships an update every 2 months, and Life＋Developer fortnightly. Most recently, WFワットチェッカー was updated on September 9, 2026 and Life＋Developer on September 15, 2026.