Leep Ring vs QALO SR-2: which should you buy?

Get the Leep Ring. For battery life, Leep rates it at up to 8 days per charge, against up to 5 days for the QALO SR-2. A ring that is on the charger is a ring that is not tracking your sleep, so the extra days count every week.

Who should get the QALO SR-2

Get the QALO if cycle tracking matters to you. QALO uses skin temperature and heart rate to predict when your period starts and your fertile window, with no subscription to pay. It breaks sleep into awake, light, deep and REM stages and counts naps, and it reads heart rate, HRV, stress, blood oxygen and temperature trends from your finger.

The differences that matter

Battery comes first, and it is the reason for the pick. In practice you charge the Leep about once a week, and the QALO more often than that.

Cycle tracking is the second. QALO names period and fertile window predictions for its ring. Leep makes it 2.22 mm thick at its thinnest, 2.5 g to 6 g by size, and QALO makes the SR-2 2.2 mm thick and 2.5 g to 3.1 g.

The rest is shared. Both are titanium, both come in the same range of sizes, both track sleep, HRV and stress, and neither charges a monthly fee. Get your size right before you order, because a loose ring reads poorly.

Price and value

Checked Nov. 15, 2026, the Leep Ring costs $199. Checked Nov. 15, 2026, the QALO SR-2 costs $199.95. The difference between the two is $1.

You pay once for either ring. Get the Leep Ring if you want more days between charges, and the QALO SR-2 if period and fertile window predictions are what you are after.