Smart Tools Pro vs Seismometer ∞
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Smart Tools Pro
Transform your iPhone into a professional measurement and utility toolkit with 30 powerful tools. Measure objects, angles, and distances with precision, or use utility functions like a flashlight, compass, and QR code scanner.
- Ruler and protractor for precise measurements
- AR-based distance and height measurement
- Real-time GPS speedometer
- Digital compass and spirit level
- QR code scanner and generator
- Magnifier and flashlight
- Audio analyzer and seismograph
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**Smart Tools Pro - Your Complete iOS Toolkit** Transform your iPhone into a professional measurement and utility toolkit with Smart Tools Pro. Whether you're a DIY enthusiast, professional contractor, photographer, or just need quick access to essential tools, Smart Tools Pro has everything you need in one beautifully designed app - 30 powerful tools at your fingertips! MEASURING TOOLS (8) * Ruler - Measure objects with precision using your screen or camera. Perfect for quick measurements when you don't have a physical ruler. * Protractor - Measure angles accurately for DIY projects, construction, or educational purposes. Real-time angle display with degree precision. * Slope - Calculate slope angles and percentages. Essential for construction, landscaping, and accessibility compliance. * Distance - Measure distances using AR technology. Point your camera and get instant distance measurements for room planning. * Height - Measure heights of objects using your phone's sensors and AR. Perfect for measuring buildings, trees, or furniture. * Speedometer - Track your speed in real-time with GPS. HUD mode for windshield reflection. Max speed and distance tracking. * Plumb Bob - Check vertical alignment with a virtual plumb bob. Essential for construction and hanging fixtures. * Angle Finder - Measure angles using camera-based angle detection. Draw and compare multiple angles. UTILITY TOOLS (20) * Magnifier - Magnify small text or objects with zoom control and flash support. Perfect for reading fine print and inspecting details. * Flashlight - Powerful LED flashlight with adjustable brightness and strobe modes. Never be in the dark again. * Compass - Navigate with confidence using the built-in digital compass. Shows direction, coordinates, altitude, and magnetic field strength. * GPS - Track your location with precision. View latitude, longitude, altitude, speed, and accuracy. Save favorite locations. * Audio - Advanced audio analyzer with frequency spectrum, waveform visualization, and real-time audio monitoring. * Seismograph - Detect and monitor vibrations and movements. Track seismic activity and record shake events. * QR-Code - Scan and generate QR codes. Create custom QR codes for URLs, text, contacts, and more. * Level - Turn your iPhone into a professional spirit level with bubble display. Surface and edge modes with calibration. * Mag Flux - Measure magnetic field strength in microteslas. Detect magnetic objects and monitor field variations. * Reader - Text-to-speech reader for PDFs and images. OCR technology extracts text from photos. Adjustable reading speed. * Color Picker - Pick colors from your camera in real-time. Save color palettes with hex, RGB, and HSB values. * Barometer - Monitor atmospheric pressure. Track weather changes with pressure trends and altitude compensation. * Random Generator - Generate random numbers, flip coins, roll dice, and create secure passwords. Perfect for games and decisions. * Lux Meter - Measure light intensity in lux. Professional light measurement for photography and workspace optimization. * Stud Finder - Detect metal studs and magnetic objects in walls using your phone's magnetometer. Essential for hanging fixtures. * Sun Tracker - Track sun position throughout the day. Plan photography sessions and solar panel installations with sunrise/sunset times. * Decibel Logger - Measure and log sound levels. Monitor noise pollution and track daily noise exposure with detailed history. * Frequency Analyzer - Analyze audio frequencies in real-time. Spectrum analyzer with harmonic detection for musicians and audio professionals. TIME TOOLS (2) * Stop Watch - Precision stopwatch with volume button control for races and workouts. Record multiple laps with highest/lowest indicators. * Timer - Countdown timer with volume button control for hands-free operation. Download Smart Tools Pro today and discover 30 professional tools in one beautifully designed app!
Seismometer ∞
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Seismometer ∞ — earthquake detector, vibration meter, and seismograph in your pocket. Turn your iPhone into a precision seismometer and vibration meter. Detect tremors, monitor seismic waves, and visualize ground motion in real time. • Real-time seismograph visualization with precision charts • Track X, Y, Z axis vibration readings with detailed graphs • Monitor earthquake tremors and ground movement • Professional-grade sensitivity for reliable measurements • Clean, intuitive interface for easy data interpretation Perfect for earthquake awareness, physics experiments, scientific research, and education. Whether you're a researcher, student, or curious explorer, discover the hidden world of seismic activity. Privacy Policy: https://www.icloud.com/pages/0bcX7C5KVMC35FbMWk-FNfjWg Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/
Screenshots
Verdict
The clearest difference is price: Seismometer ∞ at Free against Smart Tools Pro's $0.99. Seismometer ∞ also leads on update cadence (every 2 weeks vs every 5 months). Smart Tools Pro's advantage is ads (none vs shown). On in-app purchases, device support and iOS requirement 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
Seismometer ∞ is free to download; Smart Tools Pro costs $0.99 up front. Neither carries in-app purchases, so what you see is what you pay.
Smart Tools Pro ships an update every 5 months, Seismometer ∞ every 2 weeks. The most recent releases landed on October 8, 2026 and September 30, 2026 respectively.
| Parameter | Smart Tools Pro | Seismometer ∞ |
|---|---|---|
| Price | $0.99 | Free — better |
| Rating | 3.3 (8 ratings) — better | — |
| Positive reviews | 25.0% of reviews | — |
| Number of ratings | 8 — better | — |
| Update frequency | Every 5 months | Every 2 weeks — better |
| Ads | No — better | Yes |
| In-app purchases | No | No |
| Monetization | Paid | — |
| Devices | iPhone | iPhone |
| Requires iOS | 17.0 | 17.0 |
| Further details — not scored | ||
| Size | 11 MB | 16 MB |
| Age rating | 4+ | 4+ |
| Developer | Shajir Kalady | 辰巳家有限公司 |
In-app purchases
Smart Tools Pro
No in-app purchases
Seismometer ∞
No in-app purchases
Questions
Is Smart Tools Pro free?
Is Seismometer ∞ free?
Do Smart Tools Pro or Seismometer ∞ have ads?
Which is updated more often, Smart Tools Pro or Seismometer ∞?
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