Comparison

ARMA BJJ vs BIO3

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

Head to head
About

ARMA BJJ

Features
Read full description

Download the ARMA BJJ app to easily book classes and manage your fitness experience - anytime, anywhere. Make a reservation, get added to a wait list, check your profile and membership status, and more – all from your device. Visit CUSTOMER_WEBSITE to learn more.

About

BIO3

This app helps Dartmouth College BIO3 students track their mindfulness practice. Log meditation sessions, monitor progress, and view course leaderboard standings. It prioritizes user privacy with secure data storage and opt-in research participation.

Highlights
  • Log meditation sessions (duration, quality, stress)
  • Track group practice participation
  • Monitor personal progress
  • View course leaderboard
  • Access mindfulness resources
  • Secure data storage
Features
Read full description

BIO3 is a mindfulness tracking app developed by the Media and Health Lab at Dartmouth College, designed exclusively for students enrolled in the BIO3 course. WHAT YOU CAN DO: - Log daily meditation sessions including duration, quality ratings, and stress levels - Track your group practice participation records - Monitor your personal progress over time - View your standing on the course leaderboard - Access curated resources to support your mindfulness practice PRIVACY FIRST: Your data is stored securely and is never sold or shared with third parties. Students who choose to participate in research do so through a separate opt-in process. All research data is anonymized and used only for academic publications by the MHBLD Lab at Dartmouth College. Developed by the Media and Health Lab (MHBLD) at Dartmouth College.

Screenshots

ARMA BJJ3 screens
BIO34 screens

Verdict

The call

The clearest difference is update cadence: BIO3 at every 2 days against ARMA BJJ's every 3 months. ARMA BJJ's advantage is iOS requirement (15.6 vs 18.5). 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.

UpkeepUpdate frequency

ARMA BJJ ships an update every 3 months, BIO3 every 2 days. The most recent releases landed on September 29, 2026 and October 16, 2026 respectively.

Scorecard2 real differences · 7 level
ARMA BJJ versus BIO3: the parameters behind the verdict, then further details
ParameterARMA BJJBIO3
PriceFreeFree
Rating—5.0 (2 ratings) — better
Number of ratings—2 — better
Update frequencyEvery 3 monthsEvery 2 days — better
AdsNoNo
In-app purchasesNoNo
Monetization—Free
DevicesiPhone, iPodiPhone, iPad
Requires iOS15.6 — better18.5
Further details — not scored
Size32 MB4 MB
Age rating4+4+
DeveloperARMA BJJ LimitedYashaswini Rajendra Bhat

In-app purchases

None

ARMA BJJ

No in-app purchases

None

BIO3

No in-app purchases

Questions

Is ARMA BJJ free?
ARMA BJJ is free to download, with no in-app purchases.
Is BIO3 free?
BIO3 is free to download, with no in-app purchases.
Do ARMA BJJ or BIO3 have ads?
Neither ARMA BJJ nor BIO3 shows ads.
Which is updated more often, ARMA BJJ or BIO3?
ARMA BJJ ships an update every 3 months, and BIO3 every 2 days. Most recently, ARMA BJJ was updated on September 29, 2026 and BIO3 on October 16, 2026.

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