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ThirdLove - The best bra is one you never think about.

By ThirdLove

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A great bra feels good and makes you look better than ever! But let's face it, getting fit for a new bra isn't exactly fun. Welcome to ThirdLove and our incredible line of bras and underwear together with patented technology to securely find your perfect size in the comfort of home. No awkward measuring or dressing room moments required, no photos stored anywhere including your photo reel, with all sizing done natively on your iPhone. All you need is a tight fitting shirt and a flat mirror. Today our unique technology and award winning products have empowered hundreds of thousands of women to finally find a comfortable great fitting bra.

We’re confident you’ll love the fit, feel, and style of our bras and underwear. If you’re not 100% happy with your purchase, we’d love to help.

--> Returns and exchanges are always free (US only). We accept all major credit cards and Apple Pay. We ship around the world (if you can't find your country in the app checkout, look on our website or chat customer service).

+Proprietary "Half sizes" provide a near custom fit!
It turns out that 50% of women sizes A-D fall in between standard cup sizes, so we invented half cup sizing. Ever had a hunch you were an in-betweener? Now you’ll never have to settle for a bra that only half fits.

+Shape matters.
We developed our Breast Shape Dictionary (available on our website) because we think perfect fit is more than a numbered size. With your shape in mind, you’re better equipped to pick styles that fit your body like a glove.

+Made with real women’s measurements.
Instead of using standard industry measurements and grading them up and down to create each bra size, we fit all of our sizes on real women. These fittings let us design each bra size to be a more precise fit (like shorter strap lengths for better lift on larger sizes, or a wider width between cups on smaller sizes). Sure, it’s more work. But we’re up to the task.

+Curious about our sizing technology? What about security?
All you’ll need is a spare five minutes, a supportive bra, a tank top and a wall-mounted mirror. Photos aren't stored in "the cloud", never uploaded anywhere, and in fact aren't even stored on your photo reel. They are used for a split second during processing, which happens natively, and then they are gone.


“The new high tech way to find the right bra, thank god!” - Good Morning America

“Ok, I’m sold. Your t-shirt bra is perfection.” - InStyle

“ThirdLove is a genius brand because they have… wait for it…HALF-CUP SIZES. For every woman who’s had to settle for a bra that’s a little too snug or loose, this is the solution.” - BuzzFeed

“Bra shopping made easy and bra fitting made more precise, courtesy of your smartphone and a tight-fitting tank top.” - USA Today

“It’s the most comfortable bra... ever.” - Glamour

“Skeptical? So was I. So naturally I had to try it. And to my surprise, I ended up with a pretty bra that (shocker!) actually fit.” - Women’s Health

“The bra that arrived fit JUST RIGHT — no uncomfortable straps, awkwardly sized cups or painful underwire. It looks elegant and feels comfortable, something difficult to find during an average bra shopping trip.” - Mashable

What's New in Version 4.3.2

Thanks as always for your love and support! Any questions, live chat us in-app or on our site,
+ bug fixes for iOS 8 and 9.2.1
+ back-end fixes for a faster experience

iPhone Screenshot

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Customer Reviews


This app is amazing!!
It's always difficult as a woman when you try to buy bras online--size charts can be confusing. I used the app to get sized and I'm 34C 1/2. Very impressed. I got my bra the other day and it fit perfectly. Love that they have 1/2 cup sizes!!! Finallyyyyyy. They also have an amazing customer service department, I chatted with someone about the app cause I had a question on how the data was used. The pictures aren't ever shown to anyone and are never saved or sent so there's no privacy concerns.
Overall, brilliant and easy to use app.

Best fitting bra ever! Goodbye Victoria's Secret and Nordstrom, 38C reviewer

Happy to give a review of ThirdLove, especially as a tough to fit 38C. The app sizing experience is flawless, easy and fun (way better than a dressing room). Their product is incredibly comfortable and I have come back bought multiple more, was just doing that now actually, particularly their strapless (it's the most comfortable I've ever had) and their 24/7 memory foam tshirt bra. So highly recommended.

Love the sizing and the shopping!

I used this app to find my bra size and figured out that I am a 1/2 cup size. This has changed the lingerie game for me. No more cup gaping that leaves weird lines under my shirts. My bras fit perfectly. I esp love the 24/7 t-shirt bra that you can buy straight from the store in the app. Love it!

ThirdLove - The best bra is one you never think about.
View In iTunes
  • Free
  • Category: Shopping
  • Updated:
  • Version: 4.3.2
  • Size: 51.4 MB
  • Language: English
  • Seller:
Rated 12+ for the following:
  • Infrequent/Mild Sexual Content and Nudity

Compatibility: Requires iOS 8.0 or later. Compatible with iPhone, iPad, and iPod touch.

Customer Ratings

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