Running Uber and Lyft at the same time, commonly called multi-apping, sounds simple in theory: leave both apps open, take whichever offer comes in first, and effectively double your chances of a ride. In practice it introduces real complications that don't show up until you're actually doing it.
The basic appeal
The core logic is sound. If you're only running one platform, you're only seeing that platform's demand, and there will be stretches where it's slow even though the other platform has rides available nearby. Running both apps means you're eligible for whichever one has demand first, which can meaningfully reduce the dead time between rides.
What actually gets complicated
Accepting a ride on one app while you're mid-trip on the other isn't possible. Once you're driving a passenger, you're not available to accept offers on the second app until that trip ends, which means multi-apping mostly helps during the gaps between rides, not during them.
Managing two sets of acceptance and cancellation metrics. Each platform tracks your acceptance rate and cancellation rate independently, and juggling offers from both means you need to be deliberate about which ones you take and decline, rather than reflexively grabbing whatever comes in first regardless of whether it's actually worth it.
Comparing offers across platforms in real time is harder than it sounds. A $14 Uber offer and a $16 Lyft offer aren't automatically comparable just because you can see both, since pickup distance, estimated trip time, and platform fees all factor into what each one is actually worth. Evaluating two offers from two different apps quickly, under time pressure, without just defaulting to whichever number looks bigger, is a real skill, and it's exactly the kind of decision offer scoring is built to speed up rather than leaving you to eyeball it. See how DriveLens scores a ride offer.
Your data and history live in two separate places by default. Each platform only shows you your history on that platform, which makes it harder to see your true full-time performance, total earnings, mileage, and effective $/hr across both, unless you're tracking it yourself outside either app.
Is it worth it?
For most drivers who have meaningful downtime between rides on a single platform, multi-apping is worth trying, since the downside is mostly added complexity rather than added cost. The drivers who benefit most are the ones who track their real numbers across both platforms and treat every offer, regardless of which app it came from, by the same standard rather than just taking whichever one appears first.