# Mobile Master-CPU Master — Measure real cpu frequency > Device hardware and software information tool measuring CPU frequency and more. (iPhone/iPad app by 东海 刘.) - Source: https://appshunter.io/ios/app/mobile-master-cpu-master/id1329937809 (this page in markdown: same URL + `.md`) - Developer: [东海 刘](https://appshunter.io/developer/1329937808) - Category: Utilities, Reference - Price: Free with in-app purchases - Rating: 4.54/5 from 1,240 App Store ratings · 137 written reviews indexed - Age rating: 4+ - Requires: iOS 12.0 · 47 MB - Languages: English, Chinese - Released: 2018-01-18 - Data updated: 2026-08-19 - Monetization: free with in-app purchases - User reviews in markdown: https://appshunter.io/ios/app/mobile-master-cpu-master/id1329937809/reviews.md ## What is Mobile Master? 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 ## Key features - 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 ## Pricing and in-app purchases Base price: Free. **Subscriptions** | Subscription | Price | Period | | --- | --- | --- | | Pro Annual | $2.99 | per year | | Pro Monthly | $0.49 | per month | **One-time purchases** | Purchase | Price | Type | | --- | --- | --- | | Remove ads | $1.99 | one-time | ## Recent user reviews (10 of 137) All indexed reviews: https://appshunter.io/ios/app/mobile-master-cpu-master/id1329937809/reviews.md ### 3/5 — How to switch to English *2025-12-12, version 5.2.1* I don’t know how it is except for first page. If I try to test anything it’s in Chinese and don’t know how to switch to English. I’ve tried but? Dont speak it nor read it. Thank you ### 1/5 — Best App *2025-07-07, version 5.2.1* Twinkle Toes Big Old Hole rotten egg ( Ad Shover )🔫🔫🔫🔫 ### 1/5 — Çalışmadı *2025-06-29, version 5.2.1* iPhone 5 ve 5s serilerinde açılmadı (basılı tut yararlıya bas) ### 5/5 — Good *2025-04-22, version 5.2.1* Good mood ### 5/5 — l *2025-02-24, version 5.2.1* eri ### 1/5 — service *2025-01-22, version 5.2.1* honestly app does not perform plus part of the language is in a different language ### 4/5 — iOS18不支持旧版的组件了 *2024-09-26, version 5.2.0* 求更新 ### 4/5 — Update for iOS 18 *2024-09-24, version 5.2.0* Please update widgets for iOS 18 ASAP. ### 5/5 — Bug反馈 *2024-08-11, version 5.2.0* iOS 17.5 小组件 在网络一栏里只显示内网IP，其余显示为“—” 重启手机，重新添加小组件均无用。 在app里都是可以正常显示的 希望作者可以修复这个bug哈！ ### 5/5 — Ok *2024-05-05, version 5.2.0* App ok ## Frequently asked questions about Mobile Master ### What does Mobile Master do? Mobile Master is a free utility app that provides comprehensive information about your device's hardware and software. It allows you to measure real CPU frequency, monitor frequency reduction, and view details about your CPU, GPU, RAM, screen, battery, network, and sensors. ### What kind of CPU information can I get? The app provides detailed CPU information including the processor type, real CPU frequency, frequency ratio, and frequency reduction. This helps you understand your device's processing performance. ### Is this app free to use? Yes, the app is free to download and use. However, it does contain in-app purchases and advertisements, which are common monetization models for free utility applications. ### What other device information does it offer? Beyond CPU details, the app offers insights into your general device specifications like screen resolution and density, battery design capacity, network details such as IP address and speed, GPU type, RAM usage, and various sensor readings. ### Who would benefit from using this app? This app is ideal for users who are interested in monitoring their device's performance, understanding its hardware capabilities, or troubleshooting potential issues. It's useful for tech enthusiasts and general users alike. ## Version history (last 5 releases) ### 5.2.1 — 2025-01-16 What's New: • Performance improvements and bug fixes for better user experience • Enhanced compatibility with latest system version ### 5.2.0 — 2023-11-06 1. Fix the issue of incorrect RAM display on some devices 2. Fix the issue of Shortcut cannot be used ### 5.1.9 — 2023-09-26 1. Adapt to iOS17 and iPhone 15 2. Adapt to Standby Widget 3. Fix some bugs ### 5.1.8 — 2023-09-20 1. Fix several bugs 2 Adapte widgets ### 5.1.7 — 2022-12-04 1 Optimize home widget and lock screen widget 2 Optimize network analysis ## Apps similar to Mobile Master | App | Rating | Price | Category | | --- | --- | --- | --- | | [Battery Widget: CPU x Monitor](https://appshunter.io/ios/app/battery-widget-cpu-x-monitor/id1571029388) | 4.4 (1,320) | Free | Utilities | | [CPU Monitor - RAM,OS & Battery](https://appshunter.io/ios/app/cpu-monitor-ramos-and-battery/id1117276897) | 4.0 (4) | Free | Utilities | | [System Status: hw monitor](https://appshunter.io/ios/app/system-status-hw-monitor/id407752428) | 4.7 (2,465) | Free | Utilities | | [Battery Testing](https://appshunter.io/ios/app/battery-testing/id887730232) | 4.5 (12,252) | Free | Utilities | | [System Status Pro: hw monitor](https://appshunter.io/ios/app/system-status-pro-hw-monitor/id401457165) | 4.8 (5,439) | $3.99 | Utilities | | [AnTuTu Benchmark](https://appshunter.io/ios/app/antutu-benchmark/id803837129) | 4.7 (8,323) | Free | Utilities | ## Related topics [cpu cooler master](https://appshunter.io/ios/topics/cpu-cooler-master) · [cpu clean](https://appshunter.io/ios/topics/cpu-clean) · [cpu dasher mobile master tools](https://appshunter.io/ios/topics/cpu-dasher-mobile-master-tools) · [fps meter](https://appshunter.io/ios/topics/fps-meter) · [moyennesed sans pubs](https://appshunter.io/ios/topics/moyennesed-sans-pubs) · [cooler cpu](https://appshunter.io/ios/topics/cooler-cpu) · [cpu dasher](https://appshunter.io/ios/topics/cpu-dasher) · [cpu stress test](https://appshunter.io/ios/topics/cpu-stress-test) · [phone master cpu](https://appshunter.io/ios/topics/phone-master-cpu) · [hardware information](https://appshunter.io/ios/topics/hardware-information) · [cpu speed](https://appshunter.io/ios/topics/cpu-speed) · [phone cooler cpu](https://appshunter.io/ios/topics/phone-cooler-cpu) · [rtm emulator](https://appshunter.io/ios/topics/rtm-emulator) · [pibench](https://appshunter.io/ios/topics/pibench) · [riftscan](https://appshunter.io/ios/topics/riftscan) · [cpu usage](https://appshunter.io/ios/topics/cpu-usage) · [cpu dasherx](https://appshunter.io/ios/topics/cpu-dasherx) · [geevoo](https://appshunter.io/ios/topics/geevoo) --- *Data collected daily from the US App Store and indexed by [AppsHunter](https://appshunter.io/). User reviews are verbatim App Store reviews. Ratings, prices and chart positions refresh continuously; this snapshot is from 2026-08-19.*