Comparison

Battery Life Free! vs CPU Runner

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

Head to head
About

Battery Life Free!

Monitor your device's battery with detailed information on its current state and percentage. Get estimates for remaining talk time, internet usage, and media playback. Features a "Charge Alert" to notify you when fully charged.

Highlights
  • Display battery state and percentage
  • Charge Alert notification
  • Estimated remaining talk time
  • Estimated internet usage time
  • Estimated audio/video playback time
  • Polished UI and design
Features
Read full description

Battery Life Free! with "Charge Alert" feature! Do you want to know battery level percentage? Do you want to know how much internet surfing or talk time left on your iPhone/iPod Touch battery? Try Battery Life Free!!! Features: - Display battery state and percentage in easy-to-read text and graph - Charge Alert. You will hear a pleasant sounding alert after it's fully charged! - Display estimated hours and minutes remaining of: Talk time Internet on Wi-Fi Internet on 3G or Edge Audio Playback Video Playback - Polished UI, beautiful design Send your comments/suggestions to hanamobiles@gmail.com or visit our website.

About

CPU Runner

This app provides comprehensive system monitoring for your device. It offers detailed hardware data, CPU and GPU information, memory usage, network traffic, disk space, battery status, and even a decibel meter. A Today Widget allows for real-time monitoring of key metrics.

Highlights
  • Detailed hardware data
  • In-depth CPU and GPU information
  • Memory and network traffic monitoring
  • Disk space analysis
  • Battery health and status
  • Real-time decibel meter
  • Today Widget for quick monitoring
Features
Read full description

CPU Runner is a real-time diagnostics tool for iPhone and iPad. Built for developers debugging app performance, IT support diagnosing devices, and curious users who want to know what's actually happening on their hardware. No tracking. No fake numbers. Only public iOS APIs. FIVE LIVE MODULES CPU - Per-core load via host_processor_info - Overall load with thermal-state badge (Nominal / Fair / Serious / Critical) - Single-core and multi-core benchmarks with progress tracking - 24-hour history Device - Chip identifier, iOS version, kernel build - Memory breakdown: active / inactive / free / wired / compressed - Memory pressure indicator - Storage, resolution, ProMotion refresh rate, color gamut, boot time - Shareable summary card GPU - Metal device family and capabilities - Raytracing, function pointers, dynamic libraries support - Argument buffer tier, R/W texture tier, max threadgroup memory - FMA throughput benchmark in GFLOPS Network - Live download and upload throughput (app-attributed, honestly labeled) - Cellular radio: 5G, LTE - NWPath flags: expensive, constrained, IPv4/IPv6 - Local IPv4 address - Latency to a configurable host - 24-hour history with CSV export Battery - Charge level, state, Low Power Mode - 24-hour battery curve - Deep link to Settings for battery health 11 HARDWARE TESTS For technicians and curious users: - Display: solid colors, gradients, grids, SMPTE color bars - Multi-Touch: up to 11 simultaneous touches with force readout - Touch Coverage: paint the screen to find dead zones - Haptics: all 8 feedback types - Speaker Tone: sine waves with L/R channel routing - Microphone: live input meter - Motion Sensors: accelerometer, gyroscope, magnetometer, attitude - Barometer: altitude and atmospheric pressure - Proximity Sensor - Camera: front/back preview with torch - GPS / Compass: coordinates, altitude, heading, accuracy HOME SCREEN WIDGETS - CPU Load (small and medium) with per-core bars - Memory Pressure with category breakdown - Device Info: chip, RAM, free storage, uptime HONEST DESIGN CPU Runner does NOT: - Pretend to "clean RAM" or "boost CPU" - iOS does not expose those APIs, and apps that claim to are misleading users - Read battery health or cycle count - these are gated behind private APIs - Measure system-wide network throughput - only app-attributed traffic is available - Track you. Nothing leaves your device. All measurements come from documented public Mach, Metal, Network, and UIKit APIs. OPTIMIZED FOR IPAD Multi-column NavigationSplitView, sidebar navigation, gorgeous in landscape. REQUIREMENTS iOS 17 or later. Some metrics (per-core CPU, hardware sensors) require a real device - simulators return synthetic values.

Screenshots

Battery Life Free!1 screens
CPU Runner4 screens

Verdict

The call

The clearest difference is review sentiment: CPU Runner at 88% against Battery Life Free!'s 52%. CPU Runner also leads on rating (4.5 vs 4.1) and update cadence (every 2 months vs every 15 months). Battery Life Free!'s advantage is in-app purchases (none vs 1) and iOS requirement (5.1 vs 17.0). On price, ads 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. CPU Runner sells 1 one-off in-app purchase. Battery Life Free! asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

CPU Runner holds the better App Store score, 4.5 against 4.1. Both are backed by a comparable volume of ratings — 19 and 86 respectively. Written reviews point the same way: 52% of Battery Life Free!'s written reviews are positive against 88% of CPU Runner's.

UpkeepUpdate frequency

Battery Life Free! ships an update every 15 months, CPU Runner every 2 months. The most recent releases landed on November 1, 2026 and November 11, 2026 respectively.

Scorecard7 real differences · 3 level
Battery Life Free! versus CPU Runner: the parameters behind the verdict, then further details
ParameterBattery Life Free!CPU Runner
PriceFreeFree
Rating4.1 (19 ratings)4.5 (86 ratings) — better
Positive reviews52.2% of reviews88.0% of reviews — better
Number of ratings1986 — better
Update frequencyEvery 15 monthsEvery 2 months — better
AdsNoNo
In-app purchasesNo — betterYes
MonetizationFree — betterFree with in-app purchases
DevicesiPhone, iPodiPhone, iPad
Requires iOS5.1 — better17.0
Further details — not scored
Size1 MB3 MB
Age rating4+4+
DeveloperHana Mobile传胜 贾

Customer experience

Battery Life Free!

All ratings19 ratings
Positive73.7%
Neutral10.5%
Negative15.8%
Written reviews23 reviews
Positive52.2%
Neutral8.7%
Negative39.1%

CPU Runner

All ratings83 ratings
Positive88.0%
Neutral4.8%
Negative7.2%
Written reviews50 reviews
Positive88.0%
Neutral4.0%
Negative8.0%

In-app purchases

None

Battery Life Free!

No in-app purchases

1 purchases

CPU Runner

One-time1
  • Remove Ads.$0.99

Questions

Is Battery Life Free! free?
Battery Life Free! is free to download, with no in-app purchases.
Is CPU Runner free?
CPU Runner is free to download, with in-app purchases available.
Which has better reviews, Battery Life Free! or CPU Runner?
CPU Runner is rated higher. Battery Life Free! averages 4.1 out of 5 from 19 ratings, while CPU Runner averages 4.5 from 86 ratings.
Do Battery Life Free! or CPU Runner have ads?
Neither Battery Life Free! nor CPU Runner shows ads.
Which is updated more often, Battery Life Free! or CPU Runner?
Battery Life Free! ships an update every 15 months, and CPU Runner every 2 months. Most recently, Battery Life Free! was updated on November 1, 2026 and CPU Runner on November 11, 2026.

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