Okay, so I’ve had the Stealth Core Deluxe Trainer for about a month now, and let me tell you—this thing is sneaky good. Like, 'wait-I’m-actually-enjoying-planking?' good.

First off, the concept is genius. You’re basically turning your phone into a game controller using your core. The app tracks your movements, and suddenly, holding a plank isn’t just torture—it’s a high-score chase. I started with just 2 minutes a day (pathetic, I know), but now I’m up to 3:30 without even realizing it. Progress!

The games are simple but weirdly addictive. 'Color Chase' has me wobbling like a drunk flamingo trying to match tiles, and 'Space Escape' makes me feel like I’m piloting a spaceship with my abs. Who knew my midsection could be so versatile?

Here’s the wild part: after 3 weeks of inconsistent use (let’s be real—I skipped days), I actually saw definition in my stomach for the first time in my adult life. Not just upper abs either—this thing fries your entire core from ribs to hips. Traditional crunches could never.

Is it pricey? Sure. Could you tape your phone to a yoga ball instead? Technically yes. But would you actually DO it consistently? That’s where Stealth wins—it makes core work feel like playtime. My only complaint? It’s bulky as heck. My tiny apartment now has what looks like a futuristic torture device permanently parked by my bed.

Final verdict: If you hate planks but love games (or just want to trick yourself into fitness), this is worth every penny. Just don’t blame me when you start bragging about your 'plank PR' at parties.