# 節電Battery Life for iPhone — ばってりー／通信量チェッカー アプリ > iPhone battery, data, and storage usage monitor. (iPhone/iPad app by mirai sato.) - Source: https://appshunter.io/ios/app/battery-life-for-iphone/id1451019238 (this page in markdown: same URL + `.md`) - Developer: [mirai sato](https://appshunter.io/developer/1282286456) - Category: Utilities, Productivity - Price: Free - Rating: 4.40/5 from 19 App Store ratings · 50 written reviews indexed - Age rating: 4+ - Requires: iOS 13.0 · 48 MB - Languages: American English, Japanese, yes - Released: 2019-02-16 - Data updated: 2026-07-19 - Monetization: ad-supported - User reviews in markdown: https://appshunter.io/ios/app/battery-life-for-iphone/id1451019238/reviews.md ## What is 節電Battery Life for iPhone? ◯A feature · Battery remaining amount displayed in% · Check how much more games and YouTube can be used from remaining battery · Confirmation of data traffic volume during the current month / last 3 days · Check remaining capacity of storage ◯ Recommended for this type · As soon as you leave the battery cuts 50% · Frequently use games, YouTube, music apps · I was caught in communication restrictions unknowingly · Experience that communication speed slowed significantly Designed for ease of use, easy to see, simplicity. If you replace iPhone put it is an app without loss! ## Key features - Battery percentage display - Estimated app usage time - Data traffic volume check - Storage capacity confirmation - Simple and easy-to-read design ## Recent user reviews (10 of 50) All indexed reviews: https://appshunter.io/ios/app/battery-life-for-iphone/id1451019238/reviews.md ### 5/5 — good‼️ *2026-04-22, version 1.8* とてもありがたいです ### 1/5 — 標示がよく無い *2026-03-07, version 1.8* iPhone の電池標示は小さく見難い、アプリの大きさなら％表示が有れば見やすい、作って欲しいです。 ### 1/5 — 残念。 *2026-02-07, version 1.8* うまく操作できない ### 1/5 — 分かりづらい *2025-07-23, version 1.8* 表示タッスイガ ### 2/5 — ストレージが多くなる *2024-11-30, version 1.8* ストレージが返っておおくなるので、改善してほしい❗️ ### 4/5 — [Wish]add the widgets to the "Today View" screen. *2024-11-05, version 1.8* The battery of the standard widgets, I would like to be able to add it to the "Today View" displayed mode by sliding the home screen to the right. ### 4/5 — iOS18対応 *2024-09-16, version 1.8* iOS18対応のアプデ およびバッテリー最適化ボタンがでるようにバグ修正お願いします ### 1/5 — 使えない *2024-04-22, version 1.8* 通信の利用状況もたまにバグる ### 5/5 — 大変助かっています(^^)♡ *2023-11-28, version 1.8* バッテリー残量を調べるのは沢山有るけど サクサク、最適化出来るアプリは全くと言っていい程皆無。大変助かっています。 有難うございます( ◠‿◠ ) ### 1/5 — 最適化消えた？ *2023-11-25, version 1.8* 最適化がないと不便 ## Frequently asked questions about 節電Battery Life for iPhone ### Does Battery Life for iPhone have ads? Yes, Battery Life for iPhone contains advertisements. This is how the app remains free to use for all users. ### How accurate is Battery Life for iPhone's battery estimation? The app displays the battery remaining amount in percentage and estimates how much more time games and YouTube can be used. User reviews indicate a 4.4-star rating, suggesting general satisfaction with its utility. ### Can Battery Life for iPhone track mobile data usage? Yes, it allows confirmation of data traffic volume for the current month and the last 3 days, helping users avoid unexpected communication restrictions. ### What devices is Battery Life for iPhone compatible with? Battery Life for iPhone is designed for iPhone and iPod Touch devices. ### How often is Battery Life for iPhone updated? The app was last updated on November 22, 2023, with version 1.8. This indicates regular maintenance and potential feature additions. ### Is Battery Life for iPhone suitable for children? Battery Life for iPhone has an age rating of 4+, making it appropriate for younger users and families. ### What is the price of Battery Life for iPhone? Battery Life for iPhone is available for free download and use. ### Does Battery Life for iPhone help manage storage? Yes, the app includes a feature to check the remaining capacity of your device's storage. ## Version history (last 5 releases) ### 1.8 — 2023-11-22 Bug fixed ### 1.7 — 2023-11-20 Bug fixed ### 1.6 — 2023-11-16 Bug fixed ### 1.5 — 2023-11-12 Bug fixed ### 1.4 — 2023-06-12 Change ad ## Apps similar to 節電Battery Life for iPhone | App | Rating | Price | Category | | --- | --- | --- | --- | | [Battery HD+](https://appshunter.io/ios/app/battery-hd-plus/id331453283) | 4.5 (2,596) | Free | Utilities | | [Battery Care Alarm](https://appshunter.io/ios/app/battery-care-alarm/id1510510179) | 4.3 (383) | Free | Utilities | | [Battery percentage (%) widget](https://appshunter.io/ios/app/battery-percentage-widget/id6443530465) | 3.6 (7) | Free | Utilities | | [batteryウィジェット　バッテリー残量をサクサク確認](https://appshunter.io/ios/app/battery/id1447344860) | 4.0 (1) | Free | Utilities | | [Traffic Checker & Battery](https://appshunter.io/ios/app/traffic-checker-and-battery/id1635736910) | — | Free | Utilities | | [バッテリーウィジェット　残量サクサク確認](https://appshunter.io/ios/app/id1539846673) | — | Free | Utilities | ## More apps by mirai sato - [QR Code Scanner -QR Reader-](https://appshunter.io/ios/app/qr-code-scanner-qr-reader/id6743112678) All apps by mirai sato: https://appshunter.io/developer/1282286456 --- *Data collected daily from the US App Store and indexed by [AppsHunter](https://appshunter.io/). User reviews are verbatim App Store reviews. Ratings, prices and chart positions refresh continuously; this snapshot is from 2026-07-19.*