# BatteryFull + (Alarm) vs Utility King

The clearest difference is in-app purchases: Utility King at none against BatteryFull + (Alarm)'s 1. Utility King also leads on update cadence (weekly vs every 2 months). BatteryFull + (Alarm)'s advantage is device support (3 vs 1) and iOS requirement (17.6 vs 26.2). On price and ads there is nothing between them.

Both are free to download. BatteryFull + (Alarm) sells 1 one-off in-app purchase. Utility King asks for nothing beyond the download.

BatteryFull + (Alarm) ships an update every 2 months, Utility King weekly. The most recent releases landed on November 1, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | BatteryFull + (Alarm) | Utility King |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 37.5% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 2 months | **Weekly** |
| Monetization | Free with in-app purchases | — |
| Size | 36 MB | 8 MB |
| Requires iOS | **17.6** | 26.2 |
| Devices | **iPhone, iPad, Apple Watch** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Teokoul](https://appshunter.io/developer/317751186) | [Erdi Kanik](https://appshunter.io/developer/633270074) |

## What reviewers say

### BatteryFull + (Alarm)

[App page](https://appshunter.io/ios/app/batteryfull-plus-alarm/id325915322)

This app notifies you when your device's battery reaches a specific charge level. It offers charging history, charts, and custom alarm sounds to help you manage your battery efficiently. An Apple Watch app is also available for convenient monitoring.

**Highlights:** Customizable charging level alerts, Charging progress monitoring, Apple Watch companion app, Charging history and charts, Customizable alarm sounds, Daily battery usage tips

**Features:** Apple Watch app

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pro Version | $1.99 | one-time |


### Utility King

[App page](https://appshunter.io/ios/app/utility-king/id6762651914)

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is BatteryFull + (Alarm) free?

BatteryFull + (Alarm) is free to download, with in-app purchases available.

### Is Utility King free?

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

### Do BatteryFull + (Alarm) or Utility King have ads?

Neither BatteryFull + (Alarm) nor Utility King shows ads.

### Which is updated more often, BatteryFull + (Alarm) or Utility King?

BatteryFull + (Alarm) ships an update every 2 months, and Utility King weekly. Most recently, BatteryFull + (Alarm) was updated on November 1, 2026 and Utility King on October 25, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*