Stud Finder vs Spike

Find hidden metal objects behind walls using your phone’s magnetic sensor. This app detects ferrous metal (iron, steel) by measuring magnetic field variations in microteslas (µT). It's ideal for locating metal studs, nails, screws, pipes, or other magnetic materials. How It Works: Your phone has a built-in magnetometer that measures the surrounding magnetic field. The app calibrates automatically at startup, setting a baseline for your environment. Readings are displayed in real-time, and deviations from the baseline indicate the presence of magnetic objects. Examples of detection (relative to baseline): - Empty air: ~baseline (10–60 µT) - Nail or screw: +5 to +20 µT - Coin or small metal piece: +20 to +50 µT - Pipe or screwdriver: +50 to +100 µT - Metal stud (in wall): +80 to +150 µT - Strong magnetic source: +150 to 300+ µT Features: - Real-time µT reading - Adjustable sensitivity slider - "Hold" button to freeze the current value - Automatic and manual calibration - Simple and intuitive interface Works without internet Tips for better accuracy: - Remove any phone case or metallic accessories - Stay away from electronic devices while calibrating - Use the back of your phone (near the top) for best results — that’s where the sensor is usually located Calibration saves the current µT value as the baseline If you get high readings even with nothing nearby, the sensor may need time to stabilize (especially after exposure to strong magnets) Use it to: - Locate metal studs behind drywall - Detect hidden screws or nails - Scan for magnetic fields around electronic devices Explore your surroundings with a scientific curiosity!

Spike is a simple, friendly subscription tracker that helps you stay on top of every recurring payment before it surprises you. Streaming services, cloud storage, AI tools, apps, news memberships, fitness plans, delivery passes, developer tools, and more can quietly add up. Spike brings them all into one clear dashboard so you always know what you’re paying, what’s coming next, and where your money is going each month. Add subscriptions in seconds using a catalog of 150+ popular services, or create your own custom subscription with the price, billing cycle, currency, category, renewal date, notes, icon, and color that fit your setup. - Track your spending clearly See your total monthly and yearly subscription spend at a glance. Spike calculates recurring costs across billing cycles, so monthly, yearly, and other plans are easier to compare in one place. Never lose sight of renewals Your dashboard highlights upcoming renewals, so you can see what is charging soon and decide whether to keep, pause, or cancel before the payment hits. - Manage free trials Track trial start and end dates, see trial progress, and understand how your monthly spend will change after trials convert to paid subscriptions. - Organize everything Sort, search, and filter your subscriptions by name, category, status, price, or payment date. Group spending by categories like entertainment, music, cloud storage, productivity, AI, gaming, news, food, finance, health, education, and more. - Multi-currency support Add subscriptions in different currencies and choose a display currency for your dashboard totals. Spike refreshes exchange rates automatically and helps you understand your real monthly total across currencies. - Built for real subscription habits Subscriptions are not always simple. Spike supports active subscriptions, paused subscriptions, trials, ongoing plans, fixed-cycle subscriptions, end dates, custom notes, renewal reminders, and trial ending reminders. Privacy Policy: https://spike-subtrack-privacy.netlify.app/ Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/