Comparison

Lirum Device Info 2 vs Watch Sensor Logger

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 with more than 55 tools. Feature list: Status & Performance - Benchmark Tool - CPU and Memory Tools with real-time graphs - Storage Tool: usage graphs, per-partition details, and automatic detection of external USB/SD/network drives - Battery Tool - Thermals Tool with thermal pressure alerts - Timeline Tool: interactive history of device generations - PiP Monitor: system metrics in picture-in-picture Network & Connectivity - Internet Speed Test with history - Connection Rate and Throughput monitoring - Network Interface and Cellular Band details - Network Scanner, Bonjour browser, and Port Scan for LAN discovery - Ping, Traceroute, DNS Lookup, and WHOIS - Routing Table, IP Calculator, Wake-on-LAN, UPnP/DLNA discovery, TLS inspection - Bluetooth Tool: automatic BLE device discovery with signal strength - Metrics Client/Server: stream realtime metrics between devices Sensors & Motion - Accelerometer, Gyroscope, and Magnetometer - GPS/Location, Barometer, and Proximity Sensor - Biometrics Tool (Face ID, Touch ID, Optic ID) Media & I/O - Camera Tool - Video Tool: record or inspect clips with playback, track, and metadata details - Microphone Tool: real-time input with waveform and amplitude views - Speaker Tool: audio output and volume level testing - NFC Read/Write Tools: tag scanning, NDEF parsing, and a saved tags library - Vibration (haptics) and Flashlight testing Display & Interaction - Display Tool: diagonal, resolution, pixel density, refresh rate, color gamut, and connection details for every display, with an immersive globe on Vision Pro - FPS Tool: confirmed frame-rate measurement and motion comparison at four target rates - Display Patterns Tool: screen test, dead pixel, and color calibration patterns - Colors Tool - Touchscreen Tool - AR (Augmented Reality) Tool Utilities & Testing - AI Assistant: ask about specs, performance, or how to fix problems – grounded in live system information and running fully on-device - Local AI Model Tool: run LLMs completely offline with the official LiteRT-LM runtime, custom GGUF models, a unified model library, and memory/CPU/performance measurement - Comparison Tool: side-by-side specs against any iPhone, iPad, Mac, or Vision Pro - Device Grid Tool: the complete Apple hardware catalog in a searchable, sortable spreadsheet grid, including every Mac - Manual Test Wizard and a combined device Report Device information fields: General, Hardware Specs, Display, Camera, Network, and Location. Also included: - Home screen widgets in multiple sizes with intelligent refresh scheduling - Apple Watch companion app: shared metrics, streaming iPhone telemetry, and on-watch sensor mode - visionOS: spatial computing, immersive space support, 3D object interaction, and hand tracking – add any usdz model from Files to your 3D space

About

Watch Sensor Logger

Log detailed motion and GPS data from your Apple Watch. Export sensor readings like acceleration, attitude, and location as a CSV file for analysis. This app is exclusively designed for Apple Watch.

Highlights
  • Log sensor data
  • GPS tracking
  • Export to CSV
  • Acceleration logging
  • Attitude data
  • Time stamping
Features
Read full description

Watch Sensor Logger turns your Apple Watch into a powerful motion and location logger. Record high-precision sensor data straight from your wrist: • Acceleration • Rotation Rate • Gravity • Attitude • GPS location Start a recording on your Apple Watch, then review your sessions on your iPhone. Every measurement is visualized with clear charts so you can spot patterns at a glance, and you can export any session as a CSV file for analysis in your favorite tools. Perfect for researchers, developers, athletes, and anyone curious about the motion of everyday life. KEY FEATURES • One-tap recording on Apple Watch • Motion sensors: acceleration, rotation rate, gravity, attitude • GPS location logging • Beautiful charts to explore your data • CSV export for spreadsheets and analysis • Manage and delete past sessions easily

Screenshots

Lirum Device Info 24 screens
Watch Sensor Logger4 screens

Verdict

The call

The clearest difference is rating: Watch Sensor Logger at 5.0 against Lirum Device Info 2's 4.0. Watch Sensor Logger also leads on in-app purchases (none vs 3). Lirum Device Info 2's advantage is ads (none vs shown) and update cadence (every 3 weeks vs every 25 months). On price 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. Watch Sensor Logger asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

Watch Sensor Logger holds the better App Store score, 5.0 against 4.0. That said, the two scores are not equally well evidenced: Lirum Device Info 2 has 290 ratings behind it against 1, so its average is the more settled of the two. Written reviews complicate that: 77% of Lirum Device Info 2's written reviews are positive against 50% of Watch Sensor Logger'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, Watch Sensor Logger every 25 months. The most recent releases landed on October 29, 2026 and October 21, 2026 respectively.

Scorecard9 real differences · 1 level
Lirum Device Info 2 versus Watch Sensor Logger: the parameters behind the verdict, then further details
ParameterLirum Device Info 2Watch Sensor Logger
PriceFreeFree
Rating4.0 (290 ratings)5.0 (1 ratings) — better
Positive reviews77.1% of reviews — better50.0% of reviews
Number of ratings290 — better1
Update frequencyEvery 3 weeks — betterEvery 25 months
AdsNo — betterYes
In-app purchasesYesNo — better
MonetizationFree with in-app purchasesFree — better
DevicesiPhone, iPad, iPod, Mac, Apple TV, Apple Watch, Vision Pro — betteriPhone, iPad, Apple Watch
Requires iOS15.2 — better17.0
Further details — not scored
Size995 MB17 MB
Age rating4+4+
DeveloperLirum Labs Technologies Inc.yuya kanbetsunawa

Customer experience

Lirum Device Info 2

All ratings288 ratings
Positive74.7%
Neutral7.3%
Negative18.1%
Written reviews923 reviews
Positive77.1%
Neutral7.2%
Negative15.7%

Watch Sensor Logger

Written reviews2 reviews
Positive50.0%
Neutral50.0%
Negative0.0%

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

Watch Sensor Logger

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
None

Watch Sensor Logger

No in-app purchases

Questions

Is Lirum Device Info 2 free?
Lirum Device Info 2 is free to download, with in-app purchases available.
Is Watch Sensor Logger free?
Watch Sensor Logger is free to download, with no in-app purchases.
Which has better reviews, Lirum Device Info 2 or Watch Sensor Logger?
Watch Sensor Logger is rated higher. Lirum Device Info 2 averages 4.0 out of 5 from 290 ratings, while Watch Sensor Logger averages 5.0 from 1 ratings.
Do Lirum Device Info 2 or Watch Sensor Logger have ads?
Watch Sensor Logger shows ads; Lirum Device Info 2 does not.
Which is updated more often, Lirum Device Info 2 or Watch Sensor Logger?
Lirum Device Info 2 ships an update every 3 weeks, and Watch Sensor Logger every 25 months. Most recently, Lirum Device Info 2 was updated on October 29, 2026 and Watch Sensor Logger on October 21, 2026.

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