AI Nutrition & Personalized Meal Planning Engine for Health Apps

Published on 07/25/2025Marketing Opportunities

This post highlights a common challenge for health and fitness apps: delivering highly accurate and personalized AI-driven nutritional guidance. Despite Zorest AI's impressive download numbers, a core piece of feedback points to the AI's inability to provide precise, personalized calculations like 'maintenance calories' even with user data. This indicates a gap in sophisticated, reliable AI models readily available for integration.

SaaS Opportunity: A B2B SaaS API or SDK that provides an advanced, validated AI-powered engine for personalized nutrition calculations. This service would take user inputs (e.g., age, weight, activity level, health goals, dietary preferences, existing health data) and output precise daily caloric needs, macronutrient targets, and even dynamic, tailored meal suggestions or adjustments. This offloads the immense complexity and R&D costs of building and maintaining such a sophisticated AI from individual app developers.

Product Form: A RESTful API or SDK that health & fitness app developers can integrate into their existing applications. It could offer modules for:

  1. Personalized Calorie/Macro Calculators: Beyond basic BMR/TDEE, incorporating adaptive learning based on user input and progress.
  2. Dynamic Meal Planning: Generating meal ideas that fit user goals, dietary restrictions, and local food availability (potentially integrating with a separate localized food database).
  3. Predictive Analytics: Forecasting nutritional needs based on activity patterns and user behavior.
  4. Nutritional Assessment Scoring: Providing insights into dietary quality and areas for improvement.

Expected Revenue:

  • Pricing Model: Tiered subscription based on API call volume, number of active users leveraging the AI features, or specific feature sets accessed (e.g., basic calculations vs. advanced dynamic planning vs. predictive analytics).
  • Example Tiers: A 'Developer' tier for testing (free/low cost), a 'Growth' tier for scaling apps ($199-$499/month), and an 'Enterprise' tier for large platforms (custom pricing).
  • Market Potential: With the booming digital health market and countless fitness apps, many struggle with accurate personalization. If a conservative 0.5-1% of the active health apps globally adopt such a solution, reaching 500-1000 paying customers at an average of $300-$500 MRR, it could generate a substantial $150,000-$500,000+ MRR, making it a highly lucrative niche.

Origin Reddit Post

r/iosapps

We've hit 20K downloads in 24 hours!

Posted by u/ajal307/25/2025
Zorest AI just reached 20K downloads, and became #1 Free app in Health & Fitness in multiple countries.

Top Comments

u/Sweaty-Attention768
I installed your app, but I couldn’t receive the subscription to lifetime because of this error. https://preview.redd.it/ujwst3fz85ff1.jpeg?width=1179&format=pjpg&auto=webp&s=8fc
u/ajal3
Thank you for your feedback. We are working on improving our onboarding to find the sweet spot of getting enough data and making it interactive for the user. Hope you enjoy the app experience
u/mbsaharan
What did you use to make your app?
u/ajal3
Definitely working on it. Would be out in the coming week💪
u/Familiar-Temporary30
Congrats! How did you pull it off?
u/Purple-Education4751
Congrats, I love the UI
u/ApricotMysterious999
congratsssss! what are some tips for growing your user base?
u/BitterAd6419
Congrats ! How did you do ?
u/ajal3
Thank you for your feedback. We are working on improving our onboarding to find the sweet spot of getting enough data and making it interactive for the user. Hope you enjoy the app experience
u/Familiar-Temporary30
Congrats! How did you pull it off?
u/ajal3
Really glad you liked it, and hope your friends find it useful too!
u/sdane_diop
I shared it with some friends and they liked it a lot
u/ajal3
Definitely working on it. Would be out in the coming week💪
u/BrolysBirthday
How did you get so many downloads?
u/ajal3
Thank you for your feedback. We will definitely look into the accuracy of the data, and I hope that it will improve as you start using the app more. Keep updating your experience!
u/poodiepie123456
Can you make water sync with Apple Health?
u/Purple-Education4751
Congrats, I love the UI
u/ajal3
Definitely working on it. Would be out in the coming week💪
u/ajal3
Hey everyone, 🎉 This is the first app I’ve ever built – and it’s already hit 20,000+ downloads and reached the #1 spot in the Health & Fitness category in multiple countries! 👉 Download
u/poodiepie123456
Can you make water sync with Apple Health?
u/Sweaty-Attention768
I understand, but I installed the software when you mentioned the lifetime feature. However, on the same day, I encountered this error and was unable to proceed to the next stage.
u/ajal3
We dont have life time free offer anymore.
u/ajal3
Really glad that you are loving the app!
u/dishantpandya777
How to claim Free Lifetime?
u/NickNimmin
Congratulations!!!
u/ajal3
Hey everyone, 🎉 This is the first app I’ve ever built – and it’s already hit 20,000+ downloads and reached the #1 spot in the Health & Fitness category in multiple countries! 👉 Download
u/wasifshocks
Its a well made app but i honestly dont find it accurate. The AI failed to answer a simple question : whats my maintenance calories. It has all of my data and also access to everything. But i
u/tuanquanghpvn
Congratulations!
u/Puzzleheaded_Pea_308
U guys should add widgets
u/Ttheoceans
Congrats! How you do it ?
u/mbsaharan
What did you use to make your app?
u/ajal3
All Hail Reddit😉
u/Sweaty-Attention768
I installed your app, but I couldn’t receive the subscription to lifetime because of this error. https://preview.redd.it/ujwst3fz85ff1.jpeg?width=1179&format=pjpg&auto=webp&s=8fc
u/ajal3
Thank you for your feedback. We are working on improving our onboarding to find the sweet spot of getting enough data and making it interactive for the user. Hope you enjoy the app experience
u/ajal3
Thank you!!
u/Ttheoceans
Congrats! How you do it ?
u/ajal3
Thank you for your feedback. We are working on improving our database. Will be adding more local meals and food soon!
u/zingdan
Love it, its quite accurate at tracking food too. Hated the onboarding but persevered thankfully.
u/CharacterGrab5122
Yayy..🎉✊🤘
u/NickNimmin
Congratulations!!!
u/ajal3
Would really appreciate your feedback!
u/ajal3
Really glad that you are loving the app!
u/Familiar-Temporary30
Congrats! How did you pull it off?
u/BitterAd6419
Congrats ! How did you do ?
u/ajal3
Thank you!!
u/Choice_Farm1345
It’s good but something is missing as It not included the basic Indian meals
u/ajal3
We no longer have life time free offer unfortunately!
u/ajal3
Thank you for your feedback. We will definitely look into the accuracy of the data, and I hope that it will improve as you start using the app more. Keep updating your experience!
u/ajal3
Really glad you liked it, and hope your friends find it useful too!
u/ajal3
Really glad you liked it, and hope your friends find it useful too!
u/Anxious-Winter-5778
congrats
u/Puzzleheaded_Pea_308
U guys should add widgets
u/ajal3
Thank you!
u/icedroid
Really enjoying the App. I wish when I adjust the Macrometrics under profile it would keep them they keep returning to what on boarding told me.
u/ajal3
Really glad that you are loving the app!
u/ajal3
Thank you!
u/CharacterGrab5122
Yayy..🎉✊🤘
u/ajal3
Hey everyone, 🎉 This is the first app I’ve ever built – and it’s already hit 20,000+ downloads and reached the #1 spot in the Health & Fitness category in multiple countries! 👉 Download
u/zingdan
Love it, its quite accurate at tracking food too. Hated the onboarding but persevered thankfully.
u/mbsaharan
What did you use to make your app?
u/ajal3
Thank you!!
u/ajal3
Thank you for your feedback. We are working on improving our database. Will be adding more local meals and food soon!
u/BrolysBirthday
How did you get so many downloads?
u/ajal3
Thank you for your feedback. We are working on improving our database. Will be adding more local meals and food soon!
u/ApricotMysterious999
congratsssss! what are some tips for growing your user base?
u/ajal3
Hey everyone, 🎉 This is the first app I’ve ever built – and it’s already hit 20,000+ downloads and reached the #1 spot in the Health & Fitness category in multiple countries! 👉 Download
u/CharacterGrab5122
Yayy..🎉✊🤘
u/sdane_diop
I shared it with some friends and they liked it a lot
u/Choice_Farm1345
It’s good but something is missing as It not included the basic Indian meals
u/Puzzleheaded_Pea_308
U guys should add widgets
u/ajal3
Thank you!!
u/icedroid
Really enjoying the App. I wish when I adjust the Macrometrics under profile it would keep them they keep returning to what on boarding told me.
u/dishantpandya777
But it shows 0 on App Store.
u/Familiar-Temporary30
Congrats! How did you pull it off?
u/ajal3
We no longer have life time free offer unfortunately!
u/ajal3
Thank you!
u/NickNimmin
Congratulations!!!
u/ajal3
All Hail Reddit😉
u/ajal3
Thank you for your feedback. We will definitely look into the accuracy of the data, and I hope that it will improve as you start using the app more. Keep updating your experience!
u/ajal3
Would really appreciate your feedback!
u/BrolysBirthday
How did you get so many downloads?
u/Purple-Education4751
Congrats, I love the UI
u/NickNimmin
Congratulations!!!
u/Familiar-Temporary30
Congrats! How did you pull it off?
u/Anxious-Winter-5778
congrats
u/tuanquanghpvn
Congratulations!
u/Choice_Farm1345
It’s good but something is missing as It not included the basic Indian meals
u/ajal3
Thank you for your feedback. We will definitely look into the accuracy of the data, and I hope that it will improve as you start using the app more. Keep updating your experience!
u/ajal3
All Hail Reddit😉
u/Ttheoceans
Congrats! How you do it ?
u/tuanquanghpvn
Congratulations!
u/Sweaty-Attention768
I understand, but I installed the software when you mentioned the lifetime feature. However, on the same day, I encountered this error and was unable to proceed to the next stage.
u/code_boy_sk
Can you share a snap of this month's total downloads chart? What are the downloads after that 24 hrs?
u/zingdan
Love it, its quite accurate at tracking food too. Hated the onboarding but persevered thankfully.
u/Anxious-Winter-5778
congrats
u/icedroid
Really enjoying the App. I wish when I adjust the Macrometrics under profile it would keep them they keep returning to what on boarding told me.
u/dishantpandya777
But it shows 0 on App Store.
u/ApricotMysterious999
congratsssss! what are some tips for growing your user base?
u/CharacterGrab5122
Yayy..🎉✊🤘
u/BitterAd6419
Congrats ! How did you do ?
u/Familiar-Temporary30
Congrats! How did you pull it off?
u/ApricotMysterious999
congratsssss! what are some tips for growing your user base?
u/wasifshocks
Its a well made app but i honestly dont find it accurate. The AI failed to answer a simple question : whats my maintenance calories. It has all of my data and also access to everything. But i
u/BitterAd6419
Congrats ! How did you do ?
u/wasifshocks
Its a well made app but i honestly dont find it accurate. The AI failed to answer a simple question : whats my maintenance calories. It has all of my data and also access to everything. But i
u/Anxious-Winter-5778
congrats
u/ajal3
Thank you for your feedback. We are working on improving our database. Will be adding more local meals and food soon!
u/sdane_diop
I shared it with some friends and they liked it a lot
u/ajal3
We dont have life time free offer anymore.
u/ajal3
Thank you for your feedback. We are working on improving our onboarding to find the sweet spot of getting enough data and making it interactive for the user. Hope you enjoy the app experience
u/ajal3
Thank you!
u/dishantpandya777
How to claim Free Lifetime?
u/ajal3
All Hail Reddit😉
u/zingdan
Love it, its quite accurate at tracking food too. Hated the onboarding but persevered thankfully.
u/ajal3
Really glad that you are loving the app!
u/wasifshocks
Its a well made app but i honestly dont find it accurate. The AI failed to answer a simple question : whats my maintenance calories. It has all of my data and also access to everything. But i
u/ajal3
Would really appreciate your feedback!
u/Choice_Farm1345
It’s good but something is missing as It not included the basic Indian meals
u/Familiar-Temporary30
Congrats! How did you pull it off?
u/ajal3
Would really appreciate your feedback!
u/tuanquanghpvn
Congratulations!
u/Familiar-Temporary30
Congrats! How did you pull it off?
u/Purple-Education4751
Congrats, I love the UI

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