Comparison

Battery HD+ vs UMuseum

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

Head to head
About

Battery HD+

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
Read full description

This is the perfect battery monitor for your phone or tablet. It is simple, beautiful and can be calibrated specially for your device. - Widget - Charge Alerts - Usage chart Instantly know how many hours you have left for: - Listening to music - Watching video - Talking on the phone - Internet Browsing ( WiFi / Edge / 3G / 4G ) - Standby - Time left to recharge - Time to use LED Flashlight - 2D and 3D Games - Reading books - GPS navigation - Video chat - Taking photos - Recording videos If you have a new or rare device, please run calibration tests to share your results with the community and make this app even more precise ! Try it now ! It's simply the best at what it does.

About

UMuseum

Explore university museums and collections globally through a comprehensive database. This app connects enthusiasts with cultural institutions, fostering a worldwide community around academic heritage.

Highlights
  • Global museum database
  • University collection access
  • Community building
  • Increased visibility for museums
  • Portable device accessibility
Features
Read full description

It results from a partnership established in 2018 between UMAC and Electronic Science and Technology Museum, Universty of Electronic Science and Technology of China. This app aims at increasing the visibility of university museums and collections worldwide. With the popularity of portable devices these days, it will make UMAC’s worldwide database more accessible to a broader global audience. Building a community for who are interested in university museums and collections, the app will help university museums realize the missions of “local” and “global” in the future.

Screenshots

Battery HD+4 screens
UMuseum4 screens

Verdict

The call

The clearest difference is ads: UMuseum at none against Battery HD+'s shown. UMuseum also leads on review sentiment (100% vs 75%) and monetization model (free vs ad-supported). On price, update cadence, in-app purchases and device support 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

Battery HD+ ships an update every 2 months, UMuseum every 3 months. The most recent releases landed on September 28, 2026 and June 10, 2026 respectively.

Scorecard3 real differences · 7 level
Battery HD+ versus UMuseum: the parameters behind the verdict, then further details
ParameterBattery HD+UMuseum
PriceFreeFree
Rating4.5 (2.7K ratings) — better—
Positive reviews74.6% of reviews100.0% of reviews — better
Number of ratings2.7K — better—
Update frequencyEvery 2 months — betterEvery 3 months
AdsYesNo — better
In-app purchasesNoNo
MonetizationAd-supportedFree — better
DevicesiPhone, iPad, iPod, Apple Watch — betteriPhone, iPad, iPod
Requires iOS15.614.0 — better
Further details — not scored
Size62 MB50 MB
Age rating4+4+
Developersmalltech sarl轲 赵

Customer experience

Battery HD+

All ratings2,716 ratings
Positive86.1%
Neutral4.6%
Negative9.2%
Written reviews532 reviews
Positive74.6%
Neutral7.0%
Negative18.4%

UMuseum

Written reviews1 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

Bugs and requests

Battery HD+

Reported bugs

3 issues
  • Calibration never completes
  • Battery level not detected
  • Incorrect battery percentage displayed

Requested features

4 requests
  • Battery health monitoring
  • Battery usage by app breakdown
  • Improved charging notifications
  • Apple Watch support

UMuseum

Not enough reviews yet to summarise bugs or requests.

In-app purchases

None

Battery HD+

No in-app purchases

None

UMuseum

No in-app purchases

Questions

Is Battery HD+ free?
Battery HD+ is free to download, with no in-app purchases.
Is UMuseum free?
UMuseum is free to download, with no in-app purchases.
Do Battery HD+ or UMuseum have ads?
Battery HD+ shows ads; UMuseum does not.
Which is updated more often, Battery HD+ or UMuseum?
Battery HD+ ships an update every 2 months, and UMuseum every 3 months. Most recently, Battery HD+ was updated on September 28, 2026 and UMuseum on June 10, 2026.

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