Ambrosia Systems review

Updated September 30, 2026 · ThriveCue Editorial Team · Facts checked September 30, 2026

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Our verdict

Ambrosia Systems suits you if you want a single smart ring with a low entry price and a small monthly app fee. Hardware starts at $125, and the app membership is a separate recurring charge, so budget for both when you work out what a year of tracking costs you.

Key facts

Best for
Smart ring buyers who want a low entry price and a modest monthly app fee.
Price from
$125 (Source, checked September 30, 2026)
Membership per month
$9.97 (Source, checked September 30, 2026)
Platforms
iOS, Android (Source, checked September 30, 2026)
Water resistance (m)
1 (Source, checked September 30, 2026)
Warranty
1 year (Source, checked September 30, 2026)
Legal entity
Ambrosia Systems, Inc. (Source, checked September 30, 2026)
Headquarters
United States (Source, checked September 30, 2026)
Founded
2016 (Source, checked September 30, 2026)
Support channels
Email, Phone, Help-centre (Source, checked September 30, 2026)
Products
Smart ring
Health sensors
Heart rate, Spo2, Hrv, Sleep, Skin temperature
Official website
ambrosiasys.com

Apps and profiles

Get the app
Google Play
Elsewhere
XLinkedIn

Pros and cons

Pros

  • Hardware starts at $125, and you can weigh that against the €265.30 Oura lists for its ring before you commit.
  • The app membership is $9.97 a month, a lighter recurring charge than the €56.97 median monthly plan price across the site.
  • Support runs on email, phone and help centre, so a hardware question can go to a person rather than a queue of messages.
  • smart ring is the only format offered, and the app runs on iOS and Android, so setup is the same on either phone family.

Cons

  • The warranty runs 1 year, the same figure as the 1 median in the smart ring ranking, so cover is not longer than the field.
  • Water resistance of 1 m is not a swimming depth, so swimmers will need to take the ring off.
  • The $9.97 app membership sits on top of the $125 hardware price, so the first year costs more than the entry figure.
  • Only smart ring is offered, so there is no companion watch or scale to add from the same maker, unlike Amazfit's smartwatch, fitness tracker and smart ring.
Ambrosia Systems

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Who it suits

  • You are buying your first wearable and the $125 entry price matters more than brand name, which makes the gap against Oura's €265.30 the deciding point.
  • You want one ring and one app, with readings available on iOS and Android so the phone you already own works.
  • You are comfortable running a $9.97 monthly membership for the software behind the hardware.

Who should look elsewhere

  • You want something to tap mid-session: this is a smart ring, so Amazfit's smartwatch, fitness tracker and smart ring or Samsung's smartwatch and smart ring suit you better.
  • You want the longest hardware cover in the category, since the highest warranty in the smart ring ranking is 2 against 1 year here.
  • You want a ring bundled with wrist devices from one maker, which Samsung's smartwatch and smart ring and Amazfit's smartwatch, fitness tracker and smart ring both cover.

Prices

Two separate charges decide what you pay, and the app membership is the one that repeats. The hardware itself starts at $125, a figure tied to the ring rather than to a plan. The app membership then runs $9.97 a month for as long as you keep it, which is the number that comes back at renewal. Readers who compare only the sticker price can be surprised. The $125 figure covers the ring, while the $9.97 membership covers the software behind it. If you stop the membership, the $125 cost is not billed again, so the renewal bill can drop to nothing. If you keep it, the $9.97 is what you pay again each month, and it is the figure to set against your own budget. So the smart ring price sets your entry outlay and the smart ring app membership sets your ongoing one. Check them separately, and check the membership before you order, because that is the part that repeats.

Core features

Durability comes down to what the maker publishes about water and cover. Water resistance is rated at 1 m, which handles the everyday wetting a ring picks up: washing hands, sweating through a workout, a shower. It is not a swimming or diving rating, so leave the ring off for pool sessions and open water. The warranty runs 1 year, and that term completes the ownership picture. Read what it covers before you buy, because a hardware fault and ongoing app access are separate arrangements, and the warranty speaks to the ring itself rather than to the service behind it. Between them, these figures tell you how the ring copes with water and how long the maker stands behind the hardware, which are the practical questions readers ask first.

The company behind it

The maker is Ambrosia Systems, Inc., a company headquartered in the US and founded in 2016. The legal name is the one to search if you want to know who is behind the ring before you order. Support runs on email, phone and help centre. That mix matters more for a wearable than it might for an app, because a ring is worn continuously and charged regularly, and a phone line saves time when something is not behaving. The help centre covers the smaller questions that come up before you order, such as care and ordering. The 2016 founding date gives you a sense of how long the company has been trading, and the US base tells you which market the product is built around. Neither of those changes what the ring costs, but both tell you who you are dealing with when you need the email, phone and help centre routes listed above.

How Ambrosia Systems compares

Frequently asked questions

What does the smart ring cost to buy?+

The ring starts at $125, which is the entry price for the hardware on its own. That figure does not include the app membership, billed separately at $9.97 a month. Readers weighing hardware cost should compare $125 with the €265.30 Oura lists for its ring.

Is there a monthly subscription on top of the ring?+

Yes, the app membership costs $9.97 a month. That is the recurring part of the bill, and it keeps running for as long as you keep the membership, unlike the $125 hardware price, which does not return each month. The median monthly plan price across the brands here is €56.97.

How does the price compare with other smart rings?+

The ring starts at $125, against €265.30 for the ring Oura lists, so this is the lower entry price of both. Add the $9.97 a month app membership to judge the first-year running cost, since the hardware figure on its own can mislead. The smartwatch brands on this list sit in a different category rather than competing directly.

Which phones does the app run on?+

The app runs on iOS and Android, so the ring works with either major phone family and is not tied to a particular handset maker. The wearable side is narrower: smart ring is the only format offered, so there is no companion watch or scale to pair it with.

Can I wear the ring in the shower or the pool?+

Water resistance is rated at 1 m, which covers everyday wetting such as washing hands, sweat and a shower. It is not a swimming or diving depth, so keep the ring out of the pool and the sea. Sweat during a workout sits well inside that limit.

What does the warranty actually cover?+

Cover runs for 1 year on the ring, the same figure as the 1 median across smart rings, with 2 at the top of that range. It applies to the hardware rather than the $9.97 app membership, so the subscription is not what the warranty protects.

How do I get help if something goes wrong?+

Support runs on email, phone and help centre, so you can email, call or work through the help centre. Having a phone line matters for hardware, where a fault is easier to talk through than to type. The help centre also covers the questions that come up before you order.

What does the ring measure?+

The sensor set covers heart rate, spo2 and hrv. That mix leans towards overnight and recovery tracking, which suits readers who care about sleep and daily readiness rather than workouts. The readings come through the app, which runs on iOS and Android.

Sources

Compiled from 6 source pages, checked September 30, 2026. We did not open an account.

What changed

  • September 30, 2026: axisScores offer was 8.5, now 8.6
  • September 30, 2026: axisScores trust was 8.7, now 8.8
Ambrosia Systems

Ambrosia Systems

Smart ring buyers who want a low entry price and a modest monthly app fee.

8.7/10Visit

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