216+ iOS apps curated and reviewed
The best kbattery apps on iPhone average 4.1★ across 216+ titles — we've ranked them by what real users actually keep on their phones. Updated June 2026.
| # | App | Price | Rating | Ads | In-App Purchases | Updated | |
|---|---|---|---|---|---|---|---|
| 1 |  | Free | 3.0★ (4) | No | No | Jun 2026 | |
| 2 |  | Free | 4.5★ (2.7K) | Yes | No | Sep 2026 | |
| 3 |  | Free | 4.6★ (26K) | No | Yes | Sep 2026 | |
| 4 |  | Free | 4.5★ (24K) | No | No | Sep 2026 | |
| 5 |  | Free | 4.5★ (12K) | Yes | Yes | Sep 2026 | |
| 6 |  | Free | — | Yes | Yes | Sep 2026 | |
| 7 |  | Free | 4.6★ (34K) | Yes | Yes | Sep 2026 | |
| 8 |  | Free | 4.4★ (123) | No | Yes | Sep 2026 |
This app connects to a diagnostic instrument to accurately measure battery health for vehicles. It tests startup and charging systems, monitors voltage, and provides early warnings for car maintenance. Supports various battery types and international standards.
This app provides a detailed battery monitoring experience for your phone or tablet. It offers calibration features for increased accuracy and displays estimated usage times for various activities, from listening to music to GPS navigation. It also includes charge alerts and a widget for quick access to information.
This app translates your car's diagnostic trouble codes into plain language, helping you understand potential issues and their severity. It provides maintenance reminders and offers advanced features like issue forecasting and emissions pre-checks with a premium subscription.
