Comparison

GuardBJJ 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

GuardBJJ

Features
Read full description

Transform your Brazilian Jiu-Jitsu journey with GuardBJJ - the ultimate training companion designed specifically for BJJ practitioners of all levels. COMPREHENSIVE TECHNIQUE LIBRARY Access hundreds of techniques organized by position, belt level, and difficulty. From fundamental escapes to advanced submissions, build your game systematically with detailed video tutorials and step-by-step instructions. TRACK YOUR PROGRESS Log your training sessions, track techniques mastered, and monitor your improvement over time. Set goals, record competition results, and celebrate your achievements as you advance through the ranks. PERSONALIZED TRAINING Identify your weaknesses and focus your training with customized technique recommendations. Create your own technique notes and build a personalized library of moves that work for your game. COMMUNITY FEATURES Connect with fellow practitioners, share training insights, and learn from the global BJJ community. Post training updates, discuss techniques, and stay motivated on your journey. COMPETITION TRACKING Record your competition history, analyze your performance, and track your wins and losses. Use this data to identify areas for improvement and prepare for future tournaments. KEY FEATURES: - Extensive video technique library with expert instruction - Training session logging and progress tracking - Belt progression tracking and goal setting - Community posts and social features - Competition history and performance analytics - Offline access to saved techniques - Personalized training recommendations - Clean, intuitive interface designed for athletes Whether you are a white belt just starting your journey or a seasoned competitor, GuardBJJ provides the tools you need to elevate your game and achieve your goals on the mats. Download GuardBJJ today and take your Brazilian Jiu-Jitsu to the next level!

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

GuardBJJ4 screens
SONA VNS4 screens

Verdict

The call

The clearest difference is iOS requirement: SONA VNS at 15.1 against GuardBJJ's 18.2. On price, 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

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Scorecard1 real difference · 8 level
GuardBJJ versus SONA VNS: the parameters behind the verdict, then further details
ParameterGuardBJJSONA VNS
PriceFreeFree
Rating—2.0 (1 ratings) — better
Number of ratings—1 — better
Update frequency—Fortnightly
AdsNoNo
In-app purchasesNoNo
Monetization—Free
DevicesiPhone, iPadiPhone, iPod
Requires iOS18.215.1 — better
Further details — not scored
Size20 MB120 MB
Age rating4+12+
DeveloperOisin MulliganMindspire Limited

In-app purchases

None

GuardBJJ

No in-app purchases

None

SONA VNS

No in-app purchases

Questions

Is GuardBJJ free?
GuardBJJ is free to download, with no in-app purchases.
Is SONA VNS free?
SONA VNS is free to download, with no in-app purchases.
Do GuardBJJ or SONA VNS have ads?
Neither GuardBJJ nor SONA VNS shows ads.

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