Comparison

Next Powerアプリ vs Happy Collection

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

Head to head

Record your daily achievements

Free

🌟 Lifestyle

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About

Next Powerアプリ

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電気料金・電力使用量を簡単に確認過去の電気料金との比較も分かりやすく表示 Next Powerの電気をご利用のお客さま向けのアプリです。【Next Powerアプリでできること】 ■ご家庭の電気のご利用状況をチェック！毎月の電気料金、電気使用量をご確認いただけます。過去の電気ご利用状況をグラフで表示するため、簡単に比較ができます。 ■毎日の暮らしを快適にする各種サービスと連携！ Next Powerアプリから、家電制御サービス等各種サービスへ連携します。 ※各種サービスの利用料、通信費についてはお客さま負担となります。 ※お住まいのマンションにより、利用できるサービスが異なります。【ご注意事項】・本アプリはNext Powerが一括受電サービスを提供するマンションにお住まいの電気受給契約者さまがご利用できるアプリです。・本アプリを利用するには、Next Powerが提供しているEneVistaサービスのログイン情報（ID、パスワード）が必要となります。・Next Powerアプリは無料でご利用いただけます（通信費除く）。各種サービスの利用料、通信費はお客さま負担となります。

About

Happy Collection

Features

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Capture your small daily wins and happy moments as trophies. Customise colours and shapes, add photos, and build your own collection room. Looking back at your trophies helps lift confidence and motivation.

Screenshots

Next Powerアプリ3 screens

Happy Collection3 screens

Verdict

The call

The clearest difference is ads: Next Powerアプリ at none against Happy Collection's shown. Happy Collection's advantage is update cadence (every 5 days vs every 2 months). On price, in-app purchases, device support and iOS requirement 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

Next Powerアプリ ships an update every 2 months, Happy Collection every 5 days. The most recent releases landed on October 17, 2026 and October 25, 2026 respectively.

Scorecard2 real differences · 4 level

Next Powerアプリ versus Happy Collection: the parameters behind the verdict, then further details
Parameter	Next Powerアプリ	Happy Collection
Price	Free	Free
Update frequency	Every 2 months	Every 5 days — better
Ads	No — better	Yes
In-app purchases	No	No
Devices	iPhone, iPod	iPhone, iPad, iPod — better
Requires iOS	15.0 — better	15.6
Further details — not scored
Size	34 MB	26 MB
Age rating	4+	4+
Developer	NEXT POWER COMPANY	Yui Sakamoto

In-app purchases

None

Next Powerアプリ

No in-app purchases

None

Happy Collection

No in-app purchases

Questions

Is Next Powerアプリ free?

Next Powerアプリ is free to download, with no in-app purchases.

Is Happy Collection free?

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

Do Next Powerアプリ or Happy Collection have ads?

Happy Collection shows ads; Next Powerアプリ does not.

Which is updated more often, Next Powerアプリ or Happy Collection?

Next Powerアプリ ships an update every 2 months, and Happy Collection every 5 days. Most recently, Next Powerアプリ was updated on October 17, 2026 and Happy Collection on October 25, 2026.