Comparison

BTワットチェッカー vs SORAZZO

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

Head to head

About

BTワットチェッカー

Features

Read 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

About

SORAZZO

Features

Read full description

SORAZZO provides new energy-saving and decarbonization services for rental apartments, condominiums and commercial facilities. By providing electricity generated by solar power equipment installed on top of apartments and condominiums to tenants, we can provide electricity at a lower price than general electricity rates. It also provides a new source of income for owners of apartments and condominiums. SORAZZO provides eco-friendly lifestyles by promoting self-production and self-consumption of electricity for rental housing and stores.

Screenshots

BTワットチェッカー4 screens

SORAZZO3 screens

Verdict

The call

The clearest difference is update cadence: SORAZZO at fortnightly against BTワットチェッカー's every 3 months. SORAZZO also leads on iOS requirement (13.0 vs 15.6). 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

BTワットチェッカー ships an update every 3 months, SORAZZO fortnightly. The most recent releases landed on October 13, 2026 and October 10, 2026 respectively.

Scorecard2 real differences · 4 level

BTワットチェッカー versus SORAZZO: the parameters behind the verdict, then further details
Parameter	BTワットチェッカー	SORAZZO
Price	Free	Free
Update frequency	Every 3 months	Fortnightly — better
Ads	No	No
In-app purchases	No	No
Devices	iPhone, iPad, iPod — better	iPhone, iPod
Requires iOS	15.6	13.0 — better
Further details — not scored
Size	3 MB	84 MB
Age rating	4+	4+
Developer	RATOC Systems, Inc.	NextDrive Co.

In-app purchases

None

BTワットチェッカー

No in-app purchases

None

SORAZZO

No in-app purchases

Questions

Is BTワットチェッカー free?

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

Is SORAZZO free?

SORAZZO is free to download, with no in-app purchases.

Do BTワットチェッカー or SORAZZO have ads?

Neither BTワットチェッカー nor SORAZZO shows ads.

Which is updated more often, BTワットチェッカー or SORAZZO?

BTワットチェッカー ships an update every 3 months, and SORAZZO fortnightly. Most recently, BTワットチェッカー was updated on October 13, 2026 and SORAZZO on October 10, 2026.