Comparison

Invoy vs Nutu

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

Invoy

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.

Highlights
  • Breath-based fat burn analysis
  • Key wellness factor tracking
  • Personalized wellness insights
  • HealthKit data integration (Weight)
  • Enterprise/clinical deployment program
Features
Read full description

Invoy is a different weight loss company that focuses on connecting the dots between your data and behaviors. At this time, Invoy’s program is only available through enterprise or clinical deployments. Each morning, clients use Invoy’s intuitive breath-based device to understand their fat burn. Invoy also allows clients to track key factors. With the data from breath and the key factors, Invoy’s analyst team helps to surface wellness insights. Invoy is perfect for people ready to make a serious commitment toward their health and wellness goals. They understand it takes a journey. They feel ready to make a change. Invoy shows you the following data from the Health app (HealthKit): - Weight Invoy’s breath device falls within FDA’s definition of a wellness product. Please see invoy.com for further information and links to the FDA guidance document. Please note that Invoy does not provide medical advice. If you have any questions about whether a weight management program is right for you, please check with your physician first.

About

Nutu

This app offers personalized guidance for healthier living and prediabetes management. It provides a unique score based on your daily habits and offers science-backed programs to help you achieve your wellness goals through small, sustainable changes.

Highlights
  • Personalized Nutu Score
  • Smart Food Tracking
  • Activity Tracking (100+ types)
  • CDC-Based Diabetes Prevention Program
  • SMART Goal Setting
  • Certified Coaching (Premium)
Read full description

Nutu: Your Personalized Wellness & Prediabetes Coach Take control of your health—one smart step at a time. Nutu is your all-in-one health and wellness app, designed to support sustainable lifestyle changes through gentle nudges, expert guidance, and real-time feedback. Whether you're managing pre-diabetes or simply striving for a healthier lifestyle, Nutu helps you make small, consistent choices. TWO PROGRAMS. ONE GOAL: A HEALTHIER YOU. 1. Healthy Living Program Designed for anyone looking to lose or maintain weight, boost energy, and feel better overall. • Nutu Score based on your metabolism, food, sleep, and activity that reflects your daily choices and suggests personalized adjustments • Metabolism that evolves with you based on your sleep, exercise and weight trends • Adaptive, the more you use it, the more personalized it becomes 2. CDC-Based Diabetes Prevention Program Designed for individuals concerned about developing type 2 diabetes. • 12-month, science-backed curriculum based on CDC guidelines • Help you lose 5–7% of your body weight through small, manageable changes • Focuses on building habits that last—without crash diets or unrealistic goals WHAT MAKES NUTU DIFFERENT? Your Personalized Nutu Score A personalized score that keeps you in tune with your body—based on food, sleep, movement, and metabolism. No calorie counting! Just aim to stay in the green zone. Features You’ll Love • Smart Food Tracking: Easily log meals with AI suggestions and stay in balance—even when eating out. • Everyday Activity Counts: Track over 100 types of physical activity. • Certified Coaching (Premium Program Subscription Required): Real person + 24/7 AI support. • Willow of Wisdom: Evidence-based tips to keep you inspired and informed. • Social Team: Stay motivated with a group of peers who share your goals. • SMART Goal Setting: Turn big goals into achievable steps. • Science-Based: Our program for those concerned about developing type II diabetes is based on the CDC-recognized National Diabetes Prevention Program. Why Users Love Nutu “The Nutu Score makes healthy decisions simple.” (it is simple) “I finally found a program that fits my life.” “I never thought small changes could make such a difference.” “I love the fact that my Nutu Score resets at midnight. Everyday is an opportunity to start a healthy life without yesterday’s guilt “

Screenshots

Invoy4 screens
Nutu4 screens

Verdict

The call

The clearest difference is rating: Invoy at 4.6 against Nutu's 4.0. Invoy also leads on in-app purchases (none vs 5) and review sentiment (89% vs 75%). Nutu's advantage is update cadence (every 3 weeks vs every 6 weeks). On price, ads and device support there is nothing between them.

Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. Nutu sells 5 in-app purchases, starting at $9.99 per month. Invoy asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

Invoy holds the better App Store score, 4.6 against 4.0. Both are backed by a comparable volume of ratings — 76 and 24 respectively. Written reviews point the same way: 89% of Invoy's written reviews are positive against 75% of Nutu's.

UpkeepUpdate frequency

Invoy ships an update every 6 weeks, Nutu every 3 weeks. The most recent releases landed on October 7, 2026 and October 3, 2026 respectively.

Scorecard7 real differences · 3 level
Invoy versus Nutu: the parameters behind the verdict, then further details
ParameterInvoyNutu
PriceFreeFree
Rating4.6 (76 ratings) — better4.0 (24 ratings)
Positive reviews89.5% of reviews — better75.0% of reviews
Number of ratings76 — better24
Update frequencyEvery 6 weeksEvery 3 weeks — better
AdsNoNo
In-app purchasesNo — betterYes
MonetizationFree — betterFree with in-app purchases
DevicesiPhone, iPodiPhone, iPod
Requires iOS13.0 — better15.6
Further details — not scored
Size140 MB161 MB
Age rating12+4+
DeveloperInvoyWillow Laboratories, Inc.

Customer experience

Invoy

All ratings76 ratings
Positive88.2%
Neutral1.3%
Negative10.5%
Written reviews19 reviews
Positive89.5%
Neutral0.0%
Negative10.5%

Nutu

All ratings24 ratings
Positive75.0%
Neutral0.0%
Negative25.0%
Written reviews12 reviews
Positive75.0%
Neutral0.0%
Negative25.0%

In-app purchases

None

Invoy

No in-app purchases

5 purchases

Nutu

Subscriptions5
  • Diabetes Prevention Starter1 Month trial$9.991 Month
  • Healthy Living Starter1 Month trial$9.991 Month
  • Nutu Diabetes Prevention App7 Days trial$9.991 Month
Show 2 more
  • Healthy Living w/ Coach$29.991 Month
  • Diabetes Prevention w/ Coach$49.991 Month

Questions

Is Invoy free?
Invoy is free to download, with no in-app purchases.
Is Nutu free?
Nutu is free to download, with in-app purchases available.
Which has better reviews, Invoy or Nutu?
Invoy is rated higher. Invoy averages 4.6 out of 5 from 76 ratings, while Nutu averages 4.0 from 24 ratings.
Do Invoy or Nutu have ads?
Neither Invoy nor Nutu shows ads.
Which is updated more often, Invoy or Nutu?
Invoy ships an update every 6 weeks, and Nutu every 3 weeks. Most recently, Invoy was updated on October 7, 2026 and Nutu on October 3, 2026.

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