Comparison

Lirum Device Info 2 vs Mobile Master

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

Head to head
About

Lirum Device Info 2

This app provides in-depth system monitoring and hardware insights for your iPhone and iPad. It offers detailed information on CPU, memory, storage, battery, sensors, and more, along with practical testing tools. Ideal for users who want to understand their device's performance and capabilities.

Highlights
  • CPU, Memory, and Storage Monitoring
  • Detailed Hardware and Sensor Information
  • Battery and Thermal Monitoring
  • Network and Cellular Band Analysis
  • NFC Read/Write and Tag Management
  • Biometrics and AR Tool
  • Device Comparison and Timeline
Features
Read full description

Meet Lirum Info, the ultimate system monitoring and hardware toolkit for your iPhone, iPad, Mac, and Vision Pro. Built for developers, IT professionals, and power users, it’s also friendly for anyone who wants to know their device inside and out. Monitor performance in real time, get detailed hardware insights, and run practical tests – all in one elegant app. Whether you’re optimizing code, troubleshooting issues, or just curious about your phone, Lirum Info makes it easy with clear visuals and helpful tips. Feature list: - CPU Tool - Memory Tool - Storage Tool - Storage Graphs - Per partition / storage unit details - Battery Tool - Thermals Tool - Thermal pressure alerts - Bluetooth Tool - Automatic BLE device discovery - Device list with signal strength - Connection Rate Tool - Network connection monitoring - Cellular Bands Tool - Band, frequency, and network technology details - Accelerometer Tool - Gyroscope Tool - Magnetometer Tool - Barometer Tool - Proximity Sensor Tool - Camera Tool - Touchscreen Tool - Display Patterns Tool - Screen test, dead pixel, and color calibration patterns - Vibration Tool - Haptic feedback testing with different patterns - Microphone Tool - Real-time input monitoring with waveform and amplitude views - Speaker Tool - Speaker, audio output, and volume level testing - GPS/Location Tool - AR (Augmented Reality) Tool - For both iOS and visionOS - NFC Read and Write Tools - Tag detection and scanning with type and technology identification - NDEF parsing and record structure visualization (Text, URI, Smart Poster, etc.) - Multiple tag formats (NFC-A/B/F/V) with raw payload hex dump views - Saved Tags Management - Persistent tag storage with metadata - Biometrics Tool (FaceID, TouchID, OpticID) - Comparison Tool - Compare current device with any iOS/visionOS/Mac device - Side-by-side specification comparison - Device Grid Tool - Full Apple hardware catalog in a spreadsheet grid, including every Mac - Every device and every spec field, grouped by category - Search, filter and sort across the database - Timeline Tool - Interactive timeline of iOS/visionOS devices - Device generations - Metrics Client/Server Tool - Start a BLE metrics server and watch realtime metrics from another iOS device - AI Assistant Tool - Ask about specs, performance, or how to fix device problems - Grounded in live system information; runs fully on-device - Local AI Model Tool - Apple Foundation Models (iOS 26+ with Apple Intelligence) - LLM.swift framework with custom GGUF model support - Library of local models with memory, CPU and performance measurement - Export/import models to Files or download from remote URLs Device Information Lirum Info shows several data fields for your device: General Information Hardware Specs Display Information Camera Specs Network Information Location Information iOS Widgets: - Home screen widgets in multiple family sizes - Real-time updates and configurable display options - Intelligent refresh scheduling that balances freshness and battery life - Apple Watch companion app - Data synchronization with Watch - Shared metrics - Toggle between streaming iPhone telemetry and on-watch sensor mode with dedicated layouts - visionOS Features - Spatial Computing - Immersive space support - 3D object interaction - Hand tracking - AR Tool visionOS Mode - Full spatial environment - Immersive AR experiences - Object manipulation in 3D space - Add any usdz model from Files to your 3D space

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

Screenshots

Lirum Device Info 24 screens
Mobile Master4 screens

Verdict

The call

The clearest difference is rating: Mobile Master at 4.5 against Lirum Device Info 2's 4.0. Mobile Master also leads on update cadence (every 6 days vs every 3 weeks) and ratings volume (1.2K vs 285). Lirum Device Info 2's advantage is ads (none vs shown) and device support (7 vs 3). On price, review sentiment, 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. Lirum Device Info 2 sells 3 in-app purchases, starting at $0.99 per month and Mobile Master sells 3 in-app purchases, starting at $0.49 per month. Whichever you choose, the download price is not the number that matters.

ReceptionRating · Positive reviews · Number of ratings

Mobile Master holds the better App Store score, 4.5 against 4.0. Both are backed by a comparable volume of ratings — 285 and 1.2K respectively. Written reviews complicate that: 77% of Lirum Device Info 2's written reviews are positive against 72% of Mobile Master's, so the app with the better star average is not the one people write more warmly about.

UpkeepUpdate frequency

Lirum Device Info 2 ships an update every 3 weeks, Mobile Master every 6 days. The most recent releases landed on September 22, 2026 and September 24, 2026 respectively.

Scorecard6 real differences · 4 level
Lirum Device Info 2 versus Mobile Master: the parameters behind the verdict, then further details
ParameterLirum Device Info 2Mobile Master
PriceFreeFree
Rating4.0 (285 ratings)4.5 (1.2K ratings) — better
Positive reviews77.3% of reviews — better72.3% of reviews
Number of ratings2851.2K — better
Update frequencyEvery 3 weeksEvery 6 days — better
AdsNo — betterYes
In-app purchasesYesYes
MonetizationFree with in-app purchasesFree with in-app purchases
DevicesiPhone, iPad, iPod, Mac, Apple TV, Apple Watch, Vision Pro — betteriPhone, iPad, iPod
Requires iOS15.212.0 — better
Further details — not scored
Size972 MB47 MB
Age rating4+4+
DeveloperLirum Labs Technologies Inc.东海 刘

Customer experience

Lirum Device Info 2

All ratings285 ratings
Positive74.4%
Neutral7.7%
Negative17.9%
Written reviews919 reviews
Positive77.3%
Neutral7.2%
Negative15.6%

Mobile Master

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

Bugs and requests

Lirum Device Info 2

Reported bugs

3 issues
  • Crashes on iPad Pro and iPhone 12
  • Battery health and wear level not working
  • Incorrect device compatibility information

Requested features

4 requests
  • Personalized home screen and notifications
  • Advanced battery monitoring features
  • Support for latest iOS and devices
  • Benchmark testing capabilities

Mobile Master

Not enough reviews yet to summarise bugs or requests.

In-app purchases

3 purchases

Lirum Device Info 2

Subscriptions2
  • Premium Monthly1 Month trial$0.991 Month
  • Premium Yearly1 Month trial$9.991 Year
One-time1
  • Lifetime Premium$199.99
3 purchases

Mobile Master

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

Questions

Is Lirum Device Info 2 free?
Lirum Device Info 2 is free to download, with in-app purchases available.
Is Mobile Master free?
Mobile Master is free to download, with in-app purchases available.
Which has better reviews, Lirum Device Info 2 or Mobile Master?
Mobile Master is rated higher. Lirum Device Info 2 averages 4.0 out of 5 from 285 ratings, while Mobile Master averages 4.5 from 1.2K ratings.
Do Lirum Device Info 2 or Mobile Master have ads?
Mobile Master shows ads; Lirum Device Info 2 does not.
Which is updated more often, Lirum Device Info 2 or Mobile Master?
Lirum Device Info 2 ships an update every 3 weeks, and Mobile Master every 6 days. Most recently, Lirum Device Info 2 was updated on September 22, 2026 and Mobile Master on September 24, 2026.

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