Comparison

Pixel Ruler Pro vs BLE Debugger

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

Head to head
About

Pixel Ruler Pro

Features
Read full description

Measure any pixel on screen with pinpoint accuracy. Detect UI elements instantly with AI. Pick colors in HEX, RGB, and HSL — all in one tool. Pixel Ruler is the essential companion for designers, developers, and anyone who cares about pixel-perfect precision. Whether you're checking spacing between elements, identifying colors, or analyzing UI layouts, Pixel Ruler streamlines your workflow. KEY FEATURES: • AI-Powered Element Detection — Automatically recognize UI components using on-device machine learning. No internet required. • Precision Pixel Measurement — Measure distances, widths, and heights down to the exact pixel. Drag rulers across any screen content. • Smart Spacing Analysis — Instantly measure gaps between detected elements. Perfect for verifying design specs and layout consistency. • Advanced Color Picker — Tap any pixel to grab its color in HEX, RGB, or HSL format. Copy values with a single tap. • On-Device Processing — All detection and measurement happens locally on your device using CoreML. Your screenshots stay private. • Clean, Focused Interface — A minimal UI that stays out of your way so you can focus on what matters: the details. BUILT FOR PROFESSIONALS: Pixel Ruler is designed for UI/UX designers reviewing mockups, front-end developers verifying implementations, QA engineers catching visual regressions, and product managers who demand visual precision. Import screenshots or capture directly from your screen, then measure, detect, and pick colors — all without leaving the app.

About

BLE Debugger

This tool streamlines Bluetooth Low Energy device debugging. It allows users to scan, inspect GATT services, exchange data in real-time, and automate testing sequences. Capture and export logs for detailed analysis.

Highlights
  • Scan and identify BLE devices
  • Inspect GATT services and characteristics
  • Read and monitor characteristic values live
  • Send and receive messages in real-time
  • Automate repetitive testing sequences
  • Capture and export logs
Features
Read full description

# Bluetooth Debugger — Connect, Test and Automate BLE Devices Faster Stop switching between multiple tools to debug Bluetooth devices. Bluetooth Debugger helps you discover devices, inspect GATT services, exchange data in real time, and automate repetitive testing — all in one place. Whether you're developing IoT hardware, validating firmware, debugging communication issues, or reverse-engineering BLE behavior, Bluetooth Debugger helps you move faster. # Debug Devices in Minutes, Not Hours Connect to nearby BLE devices and immediately inspect services, characteristics, and live data. No extra setup. No custom test tools. • Scan and identify nearby devices • View device information and signal strength • Explore services and characteristics • Read and monitor characteristic values live # Turn BLE Communication Into a Real Conversation Testing BLE should not feel like editing raw packets. Session Mode lets you interact with devices like a terminal: • Send and receive messages in real time • Save frequently used commands • Continuously send test data automatically • Validate responses instantly # Automate Repetitive Testing Stop repeating the same read → write → wait → read sequence. Create automation flows and run them with one tap. Perfect for: • Device validation • Firmware debugging • Regression testing • Factory and development workflows # Understand What Happened Capture logs and export data for later analysis. Track device interactions and troubleshoot issues with confidence. # Built for People Who Work With BLE Developers · QA Engineers · IoT Builders · Embedded Engineers · Hardware Teams Connect faster. Test smarter. Automate repetitive work. Unlock additional features by upgrading to Premium. Premium Plans & Pricing: • $0.99 per week* • $1.99 per month* • $19.99 per year* • $29.99 one-time purchase (lifetime)* *Prices are displayed in USD. Final charges may vary depending on your local currency and region. Payment will be charged to your Apple Account upon confirmation of purchase. Subscriptions renew automatically unless auto-renewal is disabled at least 24 hours before the end of the current billing period. Your account will be billed for renewal within 24 hours prior to the end of the current period, with the renewal price clearly displayed beforehand. You can manage or turn off auto-renewal at any time in your Account Settings after purchase. Active subscriptions cannot be cancelled during the current billing cycle. If a free trial is offered, any unused portion will be forfeited once a subscription is purchased. Privacy Policy: https://emma-app.top/#/privacy Email: developer_emma@163.com EULA: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

Screenshots

Pixel Ruler Pro2 screens
BLE Debugger4 screens

Verdict

The call

The clearest difference is in-app purchases: Pixel Ruler Pro at none against BLE Debugger's 4. BLE Debugger's advantage is ads (none vs shown) and update cadence (weekly vs monthly). On price 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. BLE Debugger sells 4 in-app purchases, starting at $0.99 per 7 days. Pixel Ruler Pro asks for nothing beyond the download.

UpkeepUpdate frequency

Pixel Ruler Pro ships an update monthly, BLE Debugger weekly. The most recent releases landed on October 8, 2026 and October 1, 2026 respectively.

Scorecard4 real differences · 5 level
Pixel Ruler Pro versus BLE Debugger: the parameters behind the verdict, then further details
ParameterPixel Ruler ProBLE Debugger
PriceFreeFree
Rating—5.0 (2 ratings) — better
Number of ratings—2 — better
Update frequencyMonthlyWeekly — better
AdsYesNo — better
In-app purchasesNo — betterYes
Monetization—Free with in-app purchases
DevicesiPhone, iPadiPhone, iPad
Requires iOS18.016.0 — better
Further details — not scored
Size44 MB48 MB
Age rating4+4+
DeveloperMIZOU, CO., LTD.英 陈

In-app purchases

None

Pixel Ruler Pro

No in-app purchases

4 purchases

BLE Debugger

Subscriptions3
  • Week Subscription$0.997 Days
  • Month Subscription$1.991 Month
  • Year Subscription$9.991 Year
One-time1
  • Lifetime Subscription$29.99

Questions

Is Pixel Ruler Pro free?
Pixel Ruler Pro is free to download, with no in-app purchases.
Is BLE Debugger free?
BLE Debugger is free to download, with in-app purchases available.
Do Pixel Ruler Pro or BLE Debugger have ads?
Pixel Ruler Pro shows ads; BLE Debugger does not.
Which is updated more often, Pixel Ruler Pro or BLE Debugger?
Pixel Ruler Pro ships an update monthly, and BLE Debugger weekly. Most recently, Pixel Ruler Pro was updated on October 8, 2026 and BLE Debugger on October 1, 2026.

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