Movano Evie Ring review: is this smart ring for women worth it?

The Evie Ring is a simple round ring, similar to Oura’s Horizon style, but with a distinctive opening at the top of the band, with one end pointed like a rooftop. It’s a big differentiating factor that makes Evie Ring stand out from most other smart rings we’ve tried.

There’s a good reason for the unique open-ended design. Fingers can change sizes throughout the day, and for women specifically, this can occur more often due to hormones and menstrual cycles. The Evie Ring’s open band can accommodate the natural changes in sizing that our fingers go through daily. This helps with a comfortable fit and also gives you some leeway if your fingers end up a little more swollen on some days than normal (it happens).

I found the Evie Ring to be similar in width to the Oura Ring I wear, though the band itself is a little thinner, which makes it a little harder to conceal the sensors from a side view. It’s also important to make sure that the open part of the ring is at the top because, otherwise, it can snag on things you hold or pinch your finger between the gap, which is annoying.

Movano uses Liquidmetal, a zirconium-based amorphous alloy with a scratch-resistant titanium PVD coating. It comes in three finishes: silver, gold, and rose gold. All of the colors have a shiny finish, so it will show fingerprints and smudges, but those are easily wiped away. After wearing my Evie Ring for a few weeks, I haven’t noticed many scratches on the surface.

Overall, the Evie Ring’s design is unique and comfortable in most conditions—just don’t have the opening at the bottom of your finger, as that can be quite annoying.

Like other smart rings, the Evie Ring only comes in whole sizes, from size 5 to size 12. If you’re unsure of your ring size, you can get a free sizing kit with your purchase to determine it first.

The Evie Ring has the sensors you’d expect from a wearable these days. That means it can track your heart rate, step count, workouts, sleep, skin temperature, respiration, and blood oxygen — all of the basics you should get in a smart ring in 2024.

This is tracked automatically, so you simply put the ring on and forget about it. The Evie Ring collects data as the day goes on, and all that information gets synced into the companion app.

Since this is a smart ring, there’s no way to manually start a workout on it like you would with a smartwatch. If you want to do something like that or do a spot check (which checks your BPM and SpO2), you’ll have to use the app on your phone.

I have been wearing both the Evie Ring and my Oura Ring simultaneously for the past few weeks. My primary use for smart rings is for sleep tracking, so how accurate is the Evie Ring? From my tests, it’s not looking good.

From my most recent night of sleep, the Evie Ring says I fell asleep at 11:19 p.m.; in reality, it wasn’t until midnight when I actually fell asleep. I remember because I was on my phone and had trouble sleeping. My Oura Ring, however, logged my actual sleep time as starting at 11:47 p.m., which is much closer than the Evie Ring. I was fully up by 7:55 a.m., which was correctly recorded by Oura, while the Evie Ring thought I woke up after 8 a.m.

Another day, my Oura Ring was accurate by logging my sleep starting at 11:39 p.m. and waking up at 7:50 a.m., while the Evie Ring said I slept at midnight and woke up at 9 a.m., which is not at all accurate. There was also a day when I forgot to sync my Evie Ring, so it seemed to not have any record of my sleep from the night before, making it look like I didn’t sleep at all.

With that in mind, the Evie Ring doesn’t seem to be able to store more than one day of data at a time, so you have to remember to sync it every day. If you don’t, that data can just disappear. Comparatively, the Oura Ring can store up to one week of data in between syncing with the app on your phone.

The step count on the Evie Ring also seems a little off. As of this writing (around 10:30 a.m.), my Evie Ring says I have taken 1,968 steps today, while my Oura Ring says 1,637 steps so far. Meanwhile, my Apple Watch Ultra says 1,297 steps. There’s a large discrepancy in step count between them, but the Evie Ring looks like it’s the most inaccurate because I haven’t done much besides sitting at my desk and working.

Another thing about the Evie Ring that falls short compared to the Oura Ring is that it doesn’t seem to track naps. My Oura Ring usually records my naps automatically, depending on whether my nap meets a certain BPM threshold. However, the Evie Ring simply doesn’t offer nap tracking, which is disappointing.

I don’t see myself replacing my Oura Ring with Evie just yet. It’s still far too inaccurate for my liking, and the workout tracking is just not at all there yet. Plus, what kind of health and fitness app doesn’t sync with Apple Health? There are a lot of misses here.

The Evie Ring is advertised as lasting four days or more on a single charge. I have been getting around four days before popping it back on the charger, so at least that claim seems pretty accurate. It’s about the same that I get with my Oura Ring.

I do like the charger that the Evie Ring comes with. It’s similar to a charging case for wireless earbuds, as you just pop the ring inside, and it will start charging automatically. The case holds around 10 full charges for the ring, and you can charge it up with the included USB-C cable (or any other cable you already have).

You can see the battery level for your Evie Ring in the companion app, though it doesn’t show the battery level for the case, oddly enough. The case only has a light on the front to indicate when it’s charging or fully charged, but you can’t tell how many charges are left.

You can only purchase the Movano Evie Ring directly from the company’s website. Unfortunately, the Evie Ring is temporarily out of stock right now, but you can sign up to be notified when it is back in stock.

The Evie Ring comes in three colors: silver, gold, and rose gold. It only comes in whole sizes from 5 to 12, and it is only one style. An Evie Ring costs $269, and there is no subscription fee to use the app, which is a plus — just pay for the ring, and you’re good to go. The Evie Ring is also HSA/FSA approved, so if you have one of those accounts, you can use it to purchase an Evie Ring when it’s back in stock.

In its current form, I can’t fully recommend the Evie Ring, even if it’s the first smart ring specifically geared for women. I like the open-ended design, as it stands out from the rest of the competition and allows for some leeway with finger sizing changes that occur naturally. But there are too many shortcomings when you compare it to something like the Oura Ring, which has become a gold standard for the smart ring market.

For one, the Evie Ring is just too inaccurate at times for me to recommend it to anyone. When you wear a health tracker, you need that information to be accurate, and the Evie Ring fails in that aspect. It thinks I fall asleep way earlier or wake up much later than I actually do, which isn’t helpful at all. And sometimes, it just fails to log any sleep at all. Sleep tracking is the main draw for any smart ring, and the Evie Ring is a big letdown here.

I’m also not a fan of how the Evie Ring app doesn’t sync with Apple Health. My other health-related apps sync their data with Apple Health, so it’s odd that this one does not. The Evie app also feels very basic, especially with its extremely limited workout tracking.