SOUYIE 2026 AI Smart Watch vs Versatile Smart Watch for Fitness and Calls: A Real Comparison

The SOUYIE has a real AMOLED screen and the Matast doesn't. That single fact colored almost everything about living with these two watches.

Quick specs

	SOUYIE 2026 AI	Matast Versatile
Price	$39.01	$79.99
Display	466×466 AMOLED, always-on	320×380 LCD, no AOD
GPS	Five-system built-in	None (phone-tethered)
Bluetooth calls	Yes, 3A noise cancel	Yes, HD speaker
Waterproof	Corning glass, not rated for swim	IP68
Extras	ChatGPT, app store, OTA	Standard fitness suite

Where the SOUYIE 2026 AI wins

The screen is the thing you notice in the first ten seconds and keep noticing. I walked out of a coffee shop into afternoon glare and could actually read my messages without cupping my hand over the watch. The Matast made me do the hand-cup thing every single time. Colors on the AMOLED are deep, blacks are actually black, and the always-on display means I glance and go instead of flicking my wrist like I'm hailing a cab.

The built-in GPS surprised me too. I left my phone at home on a 3-mile loop around my neighborhood — something I'd normally never risk — and the SOUYIE mapped the route on its own. Five satellite systems is marketing overkill on paper, but the practical result is that it locked on fast even under tree cover where my old watch used to wander. If you run, hike, or bike and hate carrying your phone, this matters more than any AI feature.

Speaking of the AI: the ChatGPT thing is a novelty that occasionally earns its keep. I asked it to convert ounces to grams while cooking and got an answer without wiping my hands to grab my phone. Is it a reason to buy? No. But it's there, it works over your phone's connection, and it's more useful than the mini-games nobody will play twice. For thirty-nine bucks, the whole package feels like it's punching two weight classes up.

Where the Matast Versatile wins

Water. The IP68 rating means I stopped thinking about it. I wear the Matast in the shower, wore it doing dishes, got caught in rain on a walk and didn't panic. The SOUYIE has tough Corning glass but isn't rated for submersion, and I found myself pulling it off before washing my hands — which defeats half the point of an always-on health tracker. If you swim or just live a sweaty, splashy life, the Matast removes an entire category of worry.

The speaker on the Matast is also genuinely louder and clearer for calls. My sister called while I was carrying groceries up my stairs and I took it on the wrist without missing a word. The SOUYIE's noise cancellation is fine in a quiet room but the raw volume is lower, so a windy sidewalk turns her into static. For someone who actually uses a watch as a phone — hands full, driving, cooking — the Matast is the more reliable little speakerphone.

Build quality on the Matast feels a notch more substantial too. It's heavier, sits more like a real watch, and the larger case houses a battery that outlasted the SOUYIE by a solid day in my use. The trade-off is bulk, but if you've got normal-to-large wrists it reads as premium rather than cheap.

The honest differences

• The screen gap is bigger than the price gap suggests. The SOUYIE's AMOLED costs half as much yet looks twice as good outdoors. The Matast's LCD is the one part of it that feels genuinely dated, and no amount of "extra-large HD" wording fixes glare.

• Matast survives water, SOUYIE survives drops. IP68 versus 8H Corning glass isn't the same protection. I trust the Matast in the shower and the SOUYIE on a hiking trail where I might smack it on rock. Pick your hazard.

• SOUYIE has real GPS, Matast borrows your phone's. If you leave your phone behind on runs, that's a dealbreaker in the SOUYIE's favor. If you always carry your phone anyway, the Matast's tethered tracking is fine and you'll never notice the difference.

• The Matast is the better phone-on-your-wrist, but the SOUYIE is the better everything-else. Louder speaker versus better display, GPS, and software. I reached for the SOUYIE more often even though the Matast handled calls better.

• The AI and app store are fun, not decisive. SOUYIE's OTA updates and OnWear store mean it might get better over time, which is more than I can say for most cheap watches. But don't buy it for ChatGPT. Buy it for the screen and the GPS, and treat the AI as a bonus.

Which one I'd buy

I'd take the SOUYIE, and it isn't close for how I use a watch. The display is the piece I interact with constantly, and it's better in every lighting condition. Add real onboard GPS and a price that's half the Matast's, and the value math gets lopsided. I'd rather spend forty dollars on the watch that does more and spend a little care keeping it away from the pool.

Here's who should ignore me and grab the Matast anyway: if you swim laps, work around water, or use your watch primarily as a hands-free speakerphone, the IP68 rating and the louder speaker are worth the extra forty bucks. Those aren't small advantages — they're the difference between a watch you baby and a watch you forget you're wearing. My brother-in-law does pool workouts three times a week, and I told him flat out to get the Matast, not the SOUYIE. For him the water rating trumps everything.

But for most people who want a good-looking screen, phone-free run tracking, and the occasional wrist-based question answered while their hands are dirty, the SOUYIE at $39 is the one I'd hand a friend without a second thought. The lower rating gap (4.4 versus 4.2) tracks with my experience — the cheaper watch is the one I kept wearing.