Comparison

HealthStack vs SONA VNS

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

Head to head
About

HealthStack

This app helps you manage your vitamin and supplement routine. It analyzes your specific products to identify potential risks and interactions, offering personalized AI-driven insights for safer and more effective supplementation.

Highlights
  • Intelligent AI assistant for personalized insights
  • Automatic safety checks for nutrient intake
  • Comprehensive view of total nutrient breakdown
  • Precision tracking of inventory and schedules
  • Doctor-ready PDF reports
  • Shareable supplement regimen
Features
Read full description

HealthStack brings clarity to your supplement routine. It combines precision tracking with intelligent analysis to ensure your regimen is effective, consistent, and safe. Supplements are complex; managing them shouldn’t be. HealthStack analyzes your specific brands and dosages to spot hidden overlaps and potential risks. With a context-aware AI assistant built right in, you don’t just track your data—you understand it. Features: Intelligent Assistant Get answers tailored to your specific stack. Ask about interactions, timing, or side effects, and receive insights based on the actual inventory you have logged—not generic advice. Safety Checks Automatically detect when you exceed Tolerable Upper Intake Levels (UL). HealthStack aggregates nutrient data across every pill in your routine to warn you of high dosages before they become a problem. Share Your Stack Keep friends, family, or trainers in the loop. Send your full regimen with a single tap for accountability, or to simply help others discover what works for you. The Full Picture View your total nutrient breakdown on a single screen. See exactly how much Magnesium, Vitamin D, or Zinc you are getting from all your supplements combined. Precision Tracking Organize your inventory by brand, dosage, and form. Create custom schedules—morning, night, or with food—and build a streak with the dedicated daily journal. Doctor-Ready Reports Generate professional PDF summaries of your regimen instantly. Perfect for keeping your healthcare provider informed during checkups without the guesswork. Disclaimer HealthStack is for informational purposes only and does not provide medical advice. Always consult a physician before changing your supplement routine. Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Get in touch: contact@gethealthstack.com

About

SONA VNS

This app guides personalized, non-invasive vagus nerve stimulation sessions to support relaxation, sleep, and cognitive function. It tracks progress with analytics and integrates with wearables for deeper insights into your wellness journey.

Highlights
  • Personalized journey sessions
  • Daily taVNS for stress recovery
  • Guided audio and breathing exercises
  • Heart rate and HRV analytics
  • Wearable device integration
  • Progress tracking and streaks
Features
Read full description

Unlock your potential with SONA, the companion app for personalized, non-invasive transcutaneous auricular vagus nerve stimulation (taVNS) using the SONA consumer wellness earpiece. Engage in carefully designed journey sessions to support relaxation, improve sleep, and enhance cognitive performance. Each session combines guided audio, breathing exercises, and adaptive taVNS stimulation for a complete wellness experience. Track your progress with detailed analytics, monitor trends in your Heart rate and Heart Rate Variability (HRV), and maintain daily session streaks. For deeper insights, SONA integrates seamlessly with popular wearable devices such as Whoop and Oura. (SONA is not a medical device and is not intended for diagnosing, treating, mitigating, preventing, or curing any disease or medical condition). Key features: * Personalized Journey Sessions: Structured programs designed to address specific user needs. * Daily taVNS: Quick, regular sessions for ongoing stress recovery, improving sleep and cognitive maintenance. * Multi-Sensory Experience: Sessions feature guided audio, breathing instructions, and concurrent taVNS stimulation. * Performance Analytics: View detailed metrics on heart rate, heart rate variability, breathing rate, and other key stats. * Progress Tracking: Track your usage and progress, and unlock advanced features with session completion.

Screenshots

HealthStack4 screens
SONA VNS4 screens

Verdict

The call

The clearest difference is rating: HealthStack at 5.0 against SONA VNS's 2.0. SONA VNS's advantage is in-app purchases (none vs 4) and ads (none vs shown). On price, ratings volume, update cadence 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. HealthStack sells 4 in-app purchases, starting at $5.99 per 7 days. SONA VNS asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

HealthStack holds the better App Store score, 5.0 against 2.0. Both are backed by a comparable volume of ratings — 1 and 1 respectively.

UpkeepUpdate frequency

HealthStack ships an update every 2 weeks, SONA VNS fortnightly. The most recent releases landed on September 16, 2026 and August 29, 2026 respectively.

Scorecard4 real differences · 5 level
HealthStack versus SONA VNS: the parameters behind the verdict, then further details
ParameterHealthStackSONA VNS
PriceFreeFree
Rating5.0 (1 ratings) — better2.0 (1 ratings)
Number of ratings11
Update frequencyEvery 2 weeks — betterFortnightly
AdsYesNo — better
In-app purchasesYesNo — better
MonetizationFree with in-app purchasesFree — better
DevicesiPhone, iPodiPhone, iPod
Requires iOS16.415.1 — better
Further details — not scored
Size137 MB119 MB
Age rating12+12+
DeveloperpurpurasalgadaMindspire Limited

In-app purchases

4 purchases

HealthStack

Subscriptions3
  • Weekly$5.997 Days
  • Monthly$14.991 Month
  • Annual3 Days trial$59.991 Year
One-time1
  • Lifetime$99.99
None

SONA VNS

No in-app purchases

Questions

Is HealthStack free?
HealthStack is free to download, with in-app purchases available.
Is SONA VNS free?
SONA VNS is free to download, with no in-app purchases.
Which has better reviews, HealthStack or SONA VNS?
HealthStack is rated higher. HealthStack averages 5.0 out of 5 from 1 ratings, while SONA VNS averages 2.0 from 1 ratings.
Do HealthStack or SONA VNS have ads?
HealthStack shows ads; SONA VNS does not.
Which is updated more often, HealthStack or SONA VNS?
HealthStack ships an update every 2 weeks, and SONA VNS fortnightly. Most recently, HealthStack was updated on September 16, 2026 and SONA VNS on August 29, 2026.

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