I turned my phone into a thermal camera with the RISION Magic Pro

As Android Authority’s resident testing engineer, I find temperatures a constant source of both success and failure for our gadget reviews. Whether a phone can sustain its fast charging speeds or deliver peak performance during prolonged gaming sessions depends on how well it dissipates heat. To see how modern gadgets fare, a dedicated temperature camera is often a very helpful solution, but it can be cumbersome, expensive, or come with poorer-quality optics. But what if I could make use of the countless phones I already have? Well, I’ve had the RISION Magic Pro ($249.99 at Amazon) in the lab to see just how well that works.

The RISION Magic Pro is a compact thermal camera, designed for professionals, that connects to your Android or iOS phone’s USB-C port. From there, you can control the camera via the RISON app, which provides a live temperature readout, screenshot capability, and a selection of customization options. The little USB-C module is eminently pocketable, but ships with a small carry case to keep it protected should you need to take it out and about.

The first thing I wanted to test was just how hot a few smartphones became while running our familiar stress tests. This was simple enough: plug in the Magic Pro, boot up the Rison app, and that’s all there is to it. This really is as easy to use as it gets. It turns out that modern phones are quite good at dissipating heat to their surface, with external temperatures often reading higher than the internal values reported by a phone’s sensors. Well, now I know.

Despite some of the marketing material, the native 256×192 resolution isn’t powerful enough to quite pick out individual PCB traces or components. However, it’s certainly enough to clearly indicate what’s hot and what’s not, allowing you to pinpoint potential temperature issues even for small electronic devices and enclosures. I also tested the camera around my house and identified a few cold spots near windows that I’ll definitely be patching up before winter rolls around.

RISON has some clever tricks up its sleeve to help paint an even clearer picture. The Edge and Overlay detection feature can help highlight objects and shapes with a heat color gradient, using your phone’s camera to extract and overlay additional detail. This works if you can get the camera quite close up to what you’re looking at, but the calibration can be a bit finicky, so it didn’t seem worth the hassle — especially if you have shaky hands like me. Still, it’s helpful if you’re struggling to make out exactly what you’re looking at or want to take screenshots with a bit more detail in them.

The app also offers 12 color overlay options to make it easier to visualize measurements and temperature gradients. The default Iron Red setting is a classic visualization method, but I also found the Golden palette very useful for isolating hot spots against the ambient background temperature. The aptly named Jungle setting is good fun for a spot of Predator vision.

RISION’s app also features selectable target options, including multiple spots to measure differences across a line or to measure temperatures only within a specific area of the screen. This makes it far easier to isolate the temperature of exactly what you want to measure, especially handy if it’s packed in tightly near other components, and to check the temperature between similar components or a specific background measurement.

After spending a week with the camera, the RISION Magic Pro undoubtedly makes thermal imaging remarkably accessible. At $299 MSRP (but typically ~$249 on Amazon), it isn’t exactly an impulse buy, but its compact design, straightforward USB-C connection, and capable app make it super convenient yet equally potent. For testing smartphones, chargers, PCs, appliances, and other electronics, the sensor provides enough detail to quickly identify heat sources and temperature differences.

For anyone who regularly needs to visualize heat rather than simply measure it, the RISION Magic Pro is a genuinely useful addition to your toolkit. It turns a phone into a capable thermal imaging monitor with very little setup, making it an especially handy option for engineers, repair enthusiasts, and serious DIYers who want professional-style thermal insights without the bulk of a traditional thermal camera.