Magneto Metal vs Image Compressor Studio
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Magneto Metal
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The app can be used for the following purposes: 1. Metal and electronic device detector 2. Test to see if the compass will give accurate readings 3. Calculate true north 4. Get an indication of the field strength around the device 5. Use Ampere's law to find the source of electrmagnetic noise 6. Detect extreme low frequency (ELF) radiation PLEASE NOTE THE APP DOES NOT NEED OR USE ANY INTERNET AND NO USER DATA IS STORED ELF (exstremely low frequency) radiation is rf radiation at low frequencies. The app measures ELF radiation below half the sampling rate (about 25 hz). Some people are more sensitive to ELF radiation than others. The app can give an indication of the radiation levels. Compass : The measurements given as delta values is the electromagnetic radiation without the earth's field. The larger the delta values the more inaccurate the compass will be. The app also gives the value for the true north in relation to magnetic north. For metal or electronic device detection the device must be very close to the metal or electronic device to detect it. It does not work over a distance like a real metal detector. The watch app only works on Apple series 5 and later that have a build-in magnetometer. Please read the terms and notes for using the app.
Image Compressor Studio
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Image Compressor Studio is an easy-to-use tool that helps you shrink, convert, and manage photos directly on your device. Whether you need to save storage, prepare images for email, or convert formats, the app makes it simple and reliable. Features: • Compress photos to reduce file size while maintaining quality • Convert images between JPG, PNG, WEBP, and PDF formats • Resize images by width and height with aspect ratio lock • Export images as clean, shareable PDF files • Save images locally or share them instantly • Works quickly and privately on your device • 100% offline — no uploads, no servers, no data tracking Image Compressor Studio is designed for students, professionals, and everyday users who want a fast and private way to optimize their images. Save space, improve performance, and prepare photos for any platform in just a few steps.
Screenshots
Verdict
Magneto Metal and Image Compressor Studio are too close to call on the numbers: across 5 compared parameters — price, ads, in-app purchases and device support among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
| Parameter | Magneto Metal | Image Compressor Studio |
|---|---|---|
| Price | Free | Free |
| Update frequency | — | Monthly |
| Ads | No | No |
| In-app purchases | No | No |
| Devices | iPhone, iPad, Apple Watch | iPhone, iPad, iPod |
| Requires iOS | 16.0 | 15.1 — better |
| Further details — not scored | ||
| Size | 31 MB | 22 MB |
| Age rating | 4+ | 4+ |
| Developer | Dirk Coetzee | StudyBridge LLC |
In-app purchases
Magneto Metal
No in-app purchases
Image Compressor Studio
No in-app purchases
Questions
Is Magneto Metal free?
Is Image Compressor Studio free?
Do Magneto Metal or Image Compressor Studio have ads?
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