Invoy

Invoy

Wellness Shaped By Your Breath

75 ratings
19 reviews
Free

Details

  • Released
  • Updated
  • December 4, 2018
  • July 22, 2025

Features

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About

This app helps users understand their fat burn through a breath-based device and track key wellness factors. An analyst team uses this data to provide personalized wellness insights, supporting serious commitment to health goals.

Breath-based fat burn analysis
Key wellness factor tracking
Personalized wellness insights
HealthKit data integration (Weight)
Enterprise/clinical deployment program
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What's New in Invoy

6.6.2

July 22, 2025

Added a logout button to the waitlist screen to prevent a soft lock

User reviews

Yes!! Love this innovative take on weight understanding!

I have been using the Invoy program for a little over 4 months now and I have learned a lot about how MY body “burns” food. Whatever the numbers are on the device you can see a pattern form based on what you have eaten the day before. They don’t want you to track everything you eat but be conscious of your choices so that you can learn what causes your body to burn fat and what doesn’t. It isn’t an overnight fix it is a tool to learn what makes your body tick. For example. The hard fast rule for loosing weight “they” say is don’t eat after 7 or 8pm. Well I can eat my favorite airpopped popcorn however I want to make it up whatever time I want to eat it as long as I have eaten enough greens and stayed away from sugars and kept low on carbs. I believe it’s the dietary fiber that helps out in the popcorn. If I am ever going on a trip or stuck on something my amazing analyst gives great suggestions or reminders on how to stay hydrated and tells me it’s ok to eat treats because I will be getting so many steps in moving around on my vacation. It really is a great program but you have to want to learn about yourself. You have to NOT want to count calories and write down everything you eat. That said, yes, the first two weeks you need to know what you ate so you can have a baseline idea. You do need to keep that somewhere other than the app because this app is non judgmental and is not tracking your every piece of food. This is a lifetime journey program. Love it.
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Top notch customer service

We got this through my husband’s company, I signed up Not expecting much and have been
Blown away. the app is so easy to use, it’s quick & helpful but the support staff is what makes it so magical. They’re responsive, knowledgeable, and go way above and beyond. So so impressed

I clearly don’t get it…

You “baseline” for the first 14 days with a goal to get to a score of 4.0, but there is practically no information available to you about the score. I took two tests one day within 5 mins of each other, my score varied by more than 1.0. I am supposed to eat restricted carbs/green foods, but there is no place to log foods. The suggested food options within the app are very limited. The final straw though was the device itself, it only worked the first time once requiring me to use multiple pods each day. Today I gave up after 4 attempts…I don’t even really understand what is being “baselined” and I read all the material available.
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Pros and Cons: See Below

So my employer was offering 6 months free to try Invoy. At first, I was very intrigued by this new way to achieve weight loss and a healthier lifestyle. The idea is reducing your carbs so your body will burn more fat cells than carbs when it needs energy. In the first 14 days you are asked to reduce your carb intake to less than 20g a day. You can eat as much fatty foods or exceptionally low carb ones you just need to keep it near 20g for 14 days. Below I’ll highlight the pros and cons I found from this system

Pros:
1. Teaches you what foods are low in carbs and high in good fats to eat

2. If you can maintain less than 20g of carbs during the 14 days you’ll learn how awesome it is to not have insulin highs and lows brought on by carbs

3. Guaranteed to lose weight during the 14 day period as carbs become secondary to burning fat cells

Cons:
1. Sensor can be finicky to get it to start analyzing your breath results. I wasted several breath test due to it not analyzing my results properly even after following their steps verbatim

2. Coaches are in California and if you live on the East Coast, you’ll only get a response or two a day so they aren’t really coaching you in real time

3. Fat burning scale seems to be heavily influenced by how hard you blow. The harder I blew, the higher my score was. This was especially concerning after having 2 days of lots of carbs and then proceeding to blow the highest fat burning score I had up to that point of a 6.9. As a point of reference, you aim for around 4.0 and no, I had not done any extensive exercising the previous two days.

Conclusion:
I think the concept is intriguing and I do feel overall much better and have lost weight during my 14 day low carb diet as a result of the information they provided; however, I do not believe the sensor is very accurate and the coaching (or lack of) does not justify a price tag of $40 a month. I also find the reviews on here suspicious considering one of the “5 Star” reviews was written by a staff member.

***As a disclaimer, these are solely my opinions based on my personal experience with Invoy
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Knowledge is power

I feel Invoy gives me real-time insights that help me make better decisions in the day ahead based on what my breath test score and reflected behaviors reveal from the last 24 hours. I feel like I have agency and control over my metabolism! Kudos Invoy!

FAQ

What does Invoy do?

Invoy is a wellness company that uses a breath-based device to help users understand their fat burn and track key wellness factors. It connects user data and behaviors to surface personalized wellness insights.

How does Invoy help with weight loss?

Invoy focuses on understanding fat burn through breath analysis and tracking other key factors. The data collected is used by an analyst team to provide wellness insights, supporting users on their health journey.

Is Invoy available for individual purchase?

Currently, Invoy’s program is only available through enterprise or clinical deployments. It is not offered as a direct-to-consumer product at this time.

What data does Invoy use?

Invoy integrates with Apple's Health app (HealthKit) to display data such as weight. This data, combined with breath analysis and other tracked factors, contributes to the wellness insights provided.

Does Invoy provide medical advice?

No, Invoy does not provide medical advice. The breath device is classified as a wellness product. Users with questions about weight management programs should consult their physician.