# Battery HD+ vs Battery Day

The clearest difference is review sentiment: Battery HD+ at 74% against Battery Day's 25%. Battery HD+ also leads on price (Free vs $2.99) and rating (4.5 vs 4.0). Battery Day's advantage is ads (none vs shown). On in-app purchases, device support and iOS requirement there is nothing between them.

Battery HD+ is free to download; Battery Day costs $2.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Battery HD+ holds the better App Store score, 4.5 against 4.0. That said, the two scores are not equally well evidenced: Battery HD+ has 2.7K ratings behind it against 1, so its average is the more settled of the two. Written reviews point the same way: 74% of Battery HD+'s written reviews are positive against 25% of Battery Day's.

Battery HD+ ships an update every 2 months, Battery Day every 5 months. The most recent releases landed on October 29, 2026 and October 30, 2026 respectively.

## The numbers

| Metric | Battery HD+ | Battery Day |
| --- | --- | --- |
| Price | **Free** | $2.99 |
| Rating | **[4.5 (2.7K ratings)](https://appshunter.io/ios/app/battery-hd-plus/id331453283/reviews)** | [4.0 (1 ratings)](https://appshunter.io/ios/app/battery-day/id6444242509/reviews) |
| Number of ratings | **2.7K** | 1 |
| Positive reviews | **74.4% of reviews** | 25.0% of reviews |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | **Every 2 months** | Every 5 months |
| Monetization | **Ad-supported** | Paid |
| Size | 62 MB | 4 MB |
| Requires iOS | **15.6** | 16.0 |
| Devices | **iPhone, iPad, iPod, Apple Watch** | iPhone, iPad, Apple Watch |
| Age rating | 4+ | 4+ |
| Developer | [smalltech sarl](https://appshunter.io/developer/289934568) | [Eliott Morgensztern](https://appshunter.io/developer/1478504124) |

## What reviewers say

### Battery HD+

[App page](https://appshunter.io/ios/app/battery-hd-plus/id331453283)

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.

**Highlights:** Battery calibration, Usage time estimates, Charge alerts, Widget support, Detailed usage charts

**Features:** Apple Watch app, Vision Pro support

**In-app purchases:** none

**What reviewers like**

- 🚀 Accurate battery information
- 👍 Helpful for devices without battery percentage
- 🔋 Provides battery usage estimates
- 👍 Easy to understand interface
- 👍 Customizable battery display

**What reviewers complain about**

- 🐛 Inaccurate battery level notifications
- 🐛 Calibration issues and bugs
- 🔋 Battery drain issues after using the app
- 💸 Ads in free version
- 🐛 Widget not working as expected

**Reported bugs**

- Calibration never completes
- Battery level not detected
- Incorrect battery percentage displayed

**Requested features**

- Battery health monitoring
- Battery usage by app breakdown
- Improved charging notifications
- Apple Watch support


### Battery Day

[App page](https://appshunter.io/ios/app/battery-day/id6444242509)

This app provides an at-a-glance estimate of your device's battery discharge time. It offers various widgets, gauges, and charts to visualize battery level history and predict remaining usage. The app requires active widget usage to record battery consumption.

**Highlights:** Battery discharge time estimation, Variety of widgets, gauges, and charts, Battery level history visualization, Battery usage prediction, Color-coded battery usage indication, Requires active widget for data recording

**Features:** macOS Compatibility, Apple Watch app, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is Battery HD+ free?

Battery HD+ is free to download, with no in-app purchases.

### Is Battery Day free?

Battery Day costs $2.99, with no in-app purchases.

### Which has better reviews, Battery HD+ or Battery Day?

Battery HD+ is rated higher. Battery HD+ averages 4.5 out of 5 from 2.7K ratings, while Battery Day averages 4.0 from 1 ratings.

### Do Battery HD+ or Battery Day have ads?

Battery HD+ shows ads; Battery Day does not.

### Which is updated more often, Battery HD+ or Battery Day?

Battery HD+ ships an update every 2 months, and Battery Day every 5 months. Most recently, Battery HD+ was updated on October 29, 2026 and Battery Day on October 30, 2026.

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