Comparison

Battery Grapher vs Smart Battery Widget

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

Head to head
About

Battery Grapher

This app tracks your device's battery usage over time and uses your historical data to predict future battery levels. It's designed for low energy consumption and offers customizable notifications to help you manage charging times.

Highlights
  • Historical battery level graphing
  • Smart future battery predictions
  • Low energy consumption design
  • Customizable battery notifications
  • Supports all complications and widget sizes
Features
Read full description

Battery Grapher graphs your historical battery levels and learns your habits to make smart predictions on what your future battery levels will be. Developed specifically with energy consumption in mind, Battery Grapher has almost no impact on battery life. SMART PREDICTIONS Battery Grapher uses historical battery levels to intelligently predict what your battery level will be throughout the rest of the day, allowing you to plan when to next charge your device. The longer you have Battery Grapher installed, the more accurate future battery level predictions will be. LOW ENERGY CONSUMPTION Battery Grapher is made for people who want to extend the battery life, meaning that low energy usage is a priority. The app runs a background task only once an hour, and doesn't require a network connection, which keeps energy consumption extremely low. CUSTOMIZABLE NOTIFICATIONS Battery Grapher allows you to set notifications that fit your needs. You can get the app to notify you when you battery drops below a preset percentage, or if you only have a certain number of hours left before your battery runs out. (currently only available on watchOS) ALL COMPLICATIONS & WIDGET SIZES SUPPORTED Battery Grapher supports all complications & widget sizes. Complications can show hours before needing to charge, or battery %. Both complications and widgets are customizable from within the app.

About

Smart Battery Widget

Monitor your device's battery, storage, and network activity with real-time data and smart estimations. View key metrics and usage predictions directly on your home screen with customizable widgets.

Highlights
  • Battery monitoring and usage estimations
  • Storage monitoring and capacity estimations
  • Network activity and speed monitoring
  • Customizable home screen widgets
  • Lock screen widgets
  • Real-time data display
Features
Read full description

Smart Battery Widget is an extraordinary well designed application to monitor your device’s Battery, Storage and Network activity and also have an eye on them on the Home Screen thanks to brilliant Widgets. Not only monitor your device activity but it can also estimate your capability of usage based on your current battery state and device storage remaining due to smart algorithms. A modern, lightweight and fully interactive application interwoven with state-of-art functionality and revolutionary user experience like no others. —- Features —- ■ Battery: Monitor Battery state and percentage and also provides four different realtime estimations for Audio playback, Video playback, Talk time and Gaming time remaining hours base on battery percentage and capacity. Keep an eye on new daily graph of battery usage. ■ Storage: Monitor device storage states like total volume, free space and used space and also provides four different realtime estimations for download/import Audio, download/import Video, number of photos can shoot and Podcasts can save base on your device free space. ■ Network: 
Monitor your device network/internet activity data for both cellular and wifi. It can precisely determine your current network usage volume and speed for sending and receiving data live on the app. ■ Home Screen Widgets: Smart Battery Widget has reinvented widget design and functionality. It provides many different widgets with different sizes for all three features and their estimations:
 - 3 Widgets for battery state and its estimations - 3 Widgets for storage state and its estimations - 4 Graph Widgets for network activity - 2 Widgets for network package management - 2 Fusion Widgets, combining all three main features all in one - 2 Sets of Lock screen widgets for Battery level and 24h history also Storage remaining and graph Please note: Our team is always working on estimations and enhancing smart algorithms for make them more precise but they are not ideal and error free. Due to iPhone power efficiency Home Screen widgets will not always update instantly. iOS itself refresh widgets data and it depends on user interactions with app and place of the widget in the home screen. —- Contact —-
 We always put user suggestions first and we are greatly appreciated if you send us feedbacks and reviews. 
Email:
 smartbattery@smartbits-studio.com Privacy Policy: http://smartbits-studio.com/SmartBattery/privacy.html

Screenshots

Battery Grapher4 screens
Smart Battery Widget4 screens

Verdict

The call

The clearest difference is price: Smart Battery Widget at Free against Battery Grapher's $1.99. Battery Grapher's advantage is in-app purchases (none vs 2) and device support (4 vs 2). On rating, review sentiment, ratings volume and update cadence 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

Smart Battery Widget is free to download; Battery Grapher costs $1.99 up front. Smart Battery Widget sells 2 one-off in-app purchases. Battery Grapher asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

On the App Store both sit at effectively the same score — 4.3 for Battery Grapher against 4.3 for Smart Battery Widget. Both are backed by a comparable volume of ratings — 155 and 190 respectively. Written reviews are what separate them: 61% of Battery Grapher's written reviews are positive against 58% of Smart Battery Widget's.

UpkeepUpdate frequency

Both ship on a similar rhythm, roughly every 2 months. The most recent releases landed on October 29, 2026 and October 21, 2026 respectively.

Scorecard4 real differences · 6 level
Battery Grapher versus Smart Battery Widget: the parameters behind the verdict, then further details
ParameterBattery GrapherSmart Battery Widget
Price$1.99Free — better
Rating4.3 (155 ratings)4.3 (190 ratings) — better
Positive reviews61.2% of reviews — better57.7% of reviews
Number of ratings155190 — better
Update frequencyEvery 2 monthsEvery 2 months
AdsNoNo
In-app purchasesNo — betterYes
MonetizationFree — betterFree with in-app purchases
DevicesiPhone, iPad, iPod, Apple Watch — betteriPhone, iPad
Requires iOS15.0 — better16.0
Further details — not scored
Size5 MB42 MB
Age rating4+4+
DeveloperJoshua BirdElham Madh Farimani

Customer experience

Battery Grapher

All ratings154 ratings
Positive81.8%
Neutral5.8%
Negative12.3%
Written reviews147 reviews
Positive61.2%
Neutral7.5%
Negative31.3%

Smart Battery Widget

All ratings188 ratings
Positive83.5%
Neutral5.3%
Negative11.2%
Written reviews78 reviews
Positive57.7%
Neutral15.4%
Negative26.9%

User reviews

Battery Grapher

From 155 App Store ratings

What we love

  • 💡 Innovative battery prediction feature
  • ⌚ Accurate Apple Watch complication display
  • 📊 Detailed battery usage analytics and graphs
  • 🎯 Learns usage patterns over time for better accuracy
  • 🔋 Shows hours remaining instead of just percentage

Room to improve

  • 🐛 Complication fails to update frequently
  • ❌ Widget missing or not appearing on installation
  • 🔴 Inaccurate battery predictions, especially on newer devices
  • ⏰ Updates only once per hour, causing stale data
  • 📉 Accuracy takes weeks to improve on Apple Watch

Smart Battery Widget

From 190 App Store ratings

What we love

  • 🎨 Beautiful and modern UI design
  • 👍 Simple and intuitive user interface
  • 📊 Useful widget functionality for monitoring battery, storage, and data
  • ⚡ Lightweight app with minimal resource usage
  • 🆓 No ads or intrusive monetization

Room to improve

  • 🐛 Battery estimation features frequently broken or showing zero values
  • 🐛 Widgets not displaying correctly or updating in real-time
  • 🐛 Data accuracy issues across multiple features
  • 🐛 iOS compatibility problems (iOS 16, 17, and newer versions)
  • 🐛 iPad version not functioning properly

Bugs and requests

Battery Grapher

Reported bugs

18 issues
  • Widget not displaying on initial installation
  • Complication shows stale data and doesn't refresh automatically
  • Battery percentage stuck at incorrect values (e.g., 73%, 68%)
  • Accuracy status fluctuates rapidly between good and bad
  • Missing data warnings despite app being in dock
Show 13 more
  • Charge-discharge cycle recognition fails (shows straight lines)
  • App crashes on iPad and certain iOS versions
  • Complication capped at 47-48 hours on Apple Watch Ultra
  • Incorrect battery readings after full charge
  • Notifications arrive delayed or not at all
  • App shows charging when device is not charging
  • Data loss after watch pairing/unpairing
  • Graphs display inverted or incorrect usage patterns
  • 24-hour time format setting non-functional
  • Text cutoff on complication at bottom of watch face
  • Accuracy never improves beyond 'bad' status
  • App requires manual watch face switching to update
  • Predictions wildly inaccurate on newer Apple Watch models

Requested features

18 requests
  • Watch complication for Smart Stack (watchOS 10+)
  • Support for Apple Watch Ultra with correct 36-hour battery display
  • Low power mode detection and separate prediction profiles
  • Force refresh button in app
  • More frequent update intervals (user-configurable)
Show 13 more
  • 24-hour time format option
  • Charging time estimation while device is charging
  • Notifications for full charge completion
  • Battery percentage display in widgets
  • MacBook app version
  • App-specific battery drain identification
  • Historical data view (weekly/monthly)
  • Cross-device battery information (iPhone battery on Watch, etc.)
  • Landscape mode graph expansion
  • Multiple widget size options
  • Portuguese/Brazilian Portuguese localization
  • Manual dark mode toggle for iPhone
  • Watch complication for multiple stacks

Smart Battery Widget

Reported bugs

14 issues
  • Battery consumption estimations showing zero or stuck values
  • Widgets not appearing in widget menu or home screen
  • Fusion widget displaying as blank white block
  • Widget not updating in real-time without opening app
  • Storage widget showing incorrect capacity values
Show 9 more
  • Data widget not resetting after manual reset
  • Cellular data percentage meter glitched
  • Game category mislabeled as 'Call' in battery widget
  • iPad version showing blank boxes or no values
  • App freezing or unable to navigate between pages
  • Widget showing previous data plus new data combined
  • Battery percentage not updating on widget
  • Inaccurate data usage compared to system stats
  • App crashing or not loading after recent updates

Requested features

11 requests
  • Clear mode support for iOS 26 widgets
  • Apple Watch app support
  • Auto-reset of data package on fixed monthly date
  • Real-time network speed monitoring widgets
  • Show which apps/processes are using network
Show 6 more
  • Customizable widget colors to match home screen theme
  • Daily data limit option in addition to monthly
  • Permanent dark theme option
  • Notification alerts for data package limits
  • Continuous real-time updates during charging
  • Better iPad compatibility and functionality

In-app purchases

None

Battery Grapher

No in-app purchases

2 purchases

Smart Battery Widget

One-time2
  • Lock screen widgets$1.99
  • Fusion Widget$1.99

Questions

Is Battery Grapher free?
Battery Grapher costs $1.99, with no in-app purchases.
Is Smart Battery Widget free?
Smart Battery Widget is free to download, with in-app purchases available.
Which has better reviews, Battery Grapher or Smart Battery Widget?
Smart Battery Widget is rated higher. Battery Grapher averages 4.3 out of 5 from 155 ratings, while Smart Battery Widget averages 4.3 from 190 ratings.
Do Battery Grapher or Smart Battery Widget have ads?
Neither Battery Grapher nor Smart Battery Widget shows ads.
Which is updated more often, Battery Grapher or Smart Battery Widget?
Battery Grapher ships an update every 2 months, and Smart Battery Widget every 2 months. Most recently, Battery Grapher was updated on October 29, 2026 and Smart Battery Widget on October 21, 2026.

Other comparisons