Comparison

SONA VNS vs PeakRep

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

Head to head
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.

About

PeakRep

Features
Read full description

PeakRep is a fast, private strength tracker built around one powerful idea: the RM-Equivalent. Instead of guessing whether 5×100kg beats 8×85kg, PeakRep converts every set into a single comparable strength number — your RepMax-Eq — so you always know if you're actually getting stronger. BUILT FOR THE WAY YOU TRAIN • Build routines with 40+ built-in exercises, or add your own custom exercises for Chest, Arms, Back, Legs, Shoulders and Core. • Start a workout in one tap and log sets with a purpose-built number pad • See your live RM-Eq update as you lift, and know the moment you hit a new PR SEE YOUR PROGRESS • A per-exercise RM-Eq trend chart with a 30-day moving average • A month calendar coloured by the muscle groups you trained • Weekly volume, streaks, and time-trained at a glance • Tap any day to revisit that session in full CELEBRATE EVERY PR Finish a workout and get an instant summary — total time, volume, sets, and a medal for every personal record you set — plus optional effort rating and session notes. YOUR DATA, YOUR DEVICE • 100% on-device. No account, no sign-up, no cloud • Works fully offline • Export your entire history to CSV, and import it back just as easily • Switch between kg and lb anytime; Light, Dark and System themes No subscriptions. No ads. Just you and the numbers.

Screenshots

SONA VNS4 screens
PeakRep4 screens

Verdict

The call

The clearest difference is price: SONA VNS at Free against PeakRep's $0.99. SONA VNS also leads on iOS requirement (15.1 vs 18.0). On update cadence, ads, in-app purchases 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

SONA VNS is free to download; PeakRep costs $0.99 up front. Neither carries in-app purchases, so what you see is what you pay.

UpkeepUpdate frequency

SONA VNS ships an update fortnightly, PeakRep every 2 weeks. Both last shipped on October 24, 2026.

Scorecard2 real differences · 7 level
SONA VNS versus PeakRep: the parameters behind the verdict, then further details
ParameterSONA VNSPeakRep
PriceFree — better$0.99
Rating2.0 (1 ratings) — better—
Number of ratings1 — better—
Update frequencyFortnightlyEvery 2 weeks — better
AdsNoNo
In-app purchasesNoNo
MonetizationFree—
DevicesiPhone, iPod — betteriPhone
Requires iOS15.1 — better18.0
Further details — not scored
Size120 MB3 MB
Age rating12+4+
DeveloperMindspire LimitedION BERASALUCE GOMEZ

In-app purchases

None

SONA VNS

No in-app purchases

None

PeakRep

No in-app purchases

Questions

Is SONA VNS free?
SONA VNS is free to download, with no in-app purchases.
Is PeakRep free?
PeakRep costs $0.99, with no in-app purchases.
Do SONA VNS or PeakRep have ads?
Neither SONA VNS nor PeakRep shows ads.
Which is updated more often, SONA VNS or PeakRep?
SONA VNS ships an update fortnightly, and PeakRep every 2 weeks. Most recently, SONA VNS was updated on October 24, 2026 and PeakRep on October 24, 2026.

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