Comparison

Mobile Master 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

Mobile Master

This free utility app provides detailed information about your device's hardware and software. It measures real CPU frequency, frequency reduction, and offers insights into your screen, battery, network, GPU, RAM, and sensors.

Highlights
  • Measure real CPU frequency
  • Monitor frequency reduction
  • View CPU, GPU, and RAM details
  • Check network speed and IP
  • Display battery design capacity
  • Access sensor data
Features
Read full description

Quickly and accurately measure real cpu frequency and frequency reduction Mobile Master is a free tool to provide information about your device - cpu , operating system , memory, GPU, network and battery. - CPU : Processor , real frequency, frequency ratio,frequency reduction, etc. - General : Screen resolution, size, density, etc. - Battery : Desigin capacity. - Network : IP , download/upload speed , etc. - GPU : GPU Type , extentions. - RAM : Total ram , used ram , etc. - Sensors: Acceleration,rotation,magnetic field,pressure and distance Terms of Use:https://m.591master.com/m/uiforum/getpage.html?key=cputerms Privacy Policy:https://m.591master.com/m/uiforum/getpage.html?key=cpuprivacy

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

Mobile Master4 screens
CPU Runner4 screens

Verdict

The call

The clearest difference is ads: CPU Runner at none against Mobile Master's shown. CPU Runner also leads on review sentiment (88% vs 72%). Mobile Master's advantage is update cadence (every 6 days vs every 2 months) and ratings volume (1.2K vs 83). On price, rating, in-app purchases and monetization model 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. Mobile Master sells 3 in-app purchases, starting at $0.49 per month and CPU Runner sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

ReceptionRating · Positive reviews · Number of ratings

On the App Store both sit at effectively the same score — 4.5 for Mobile Master against 4.5 for CPU Runner. That said, the two scores are not equally well evidenced: Mobile Master has 1.2K ratings behind it against 83, so its average is the more settled of the two. Written reviews are what separate them: 72% of Mobile Master's written reviews are positive against 88% of CPU Runner's.

UpkeepUpdate frequency

Mobile Master ships an update every 6 days, CPU Runner every 2 months. The most recent releases landed on September 24, 2026 and September 23, 2026 respectively.

Scorecard5 real differences · 5 level
Mobile Master versus CPU Runner: the parameters behind the verdict, then further details
ParameterMobile MasterCPU Runner
PriceFreeFree
Rating4.5 (1.2K ratings) — better4.5 (83 ratings)
Positive reviews72.3% of reviews88.0% of reviews — better
Number of ratings1.2K — better83
Update frequencyEvery 6 days — betterEvery 2 months
AdsYesNo — better
In-app purchasesYesYes
MonetizationFree with in-app purchasesFree with in-app purchases
DevicesiPhone, iPad, iPod — betteriPhone, iPad
Requires iOS12.0 — better17.0
Further details — not scored
Size47 MB3 MB
Age rating4+4+
Developer东海 刘传胜 贾

Customer experience

Mobile Master

All ratings1,225 ratings
Positive87.9%
Neutral4.7%
Negative7.3%
Written reviews137 reviews
Positive72.3%
Neutral6.6%
Negative21.2%

CPU Runner

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

In-app purchases

3 purchases

Mobile Master

Subscriptions2
  • Pro Monthly$0.491 Month
  • Pro Annual$2.991 Year
One-time1
  • Remove ads$1.99
1 purchases

CPU Runner

One-time1
  • Remove Ads.$0.99

Questions

Is Mobile Master free?
Mobile Master is free to download, with in-app purchases available.
Is CPU Runner free?
CPU Runner is free to download, with in-app purchases available.
Which has better reviews, Mobile Master or CPU Runner?
Mobile Master is rated higher. Mobile Master averages 4.5 out of 5 from 1.2K ratings, while CPU Runner averages 4.5 from 83 ratings.
Do Mobile Master or CPU Runner have ads?
Mobile Master shows ads; CPU Runner does not.
Which is updated more often, Mobile Master or CPU Runner?
Mobile Master ships an update every 6 days, and CPU Runner every 2 months. Most recently, Mobile Master was updated on September 24, 2026 and CPU Runner on September 23, 2026.

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