Biorhythm Plus

Biorhythm Plus

By DongHyeon Yun

Biorhythm Plus is a utility app for iOS and Android that calculates and visualizes personal biorhythm cycles based on user-provided birth dates.

The App DNA

What makes this app unique?

The app removes the cognitive load of manual cycle calculation, though the current navigation friction for date selection limits its utility for historical tracking.

For Individuals interested in personal cycle tracking and biorhythm analysis.

What does it look like?

Key features

Biorhythm Calculationstandard

Calculates physical, emotional, intellectual, and intuitive cycles based on user-provided birth date.

Date Navigationstandard

Allows users to view biorhythm data for specific past or future dates via a swipe-based chart interface.

How much does it cost?

freeFree with ad support

The app operates on a free, ad-supported model with no in-app purchases or subscription tiers identified.

Velocity

Maintenance developmentUX improvementsShow more...

The app currently operates at a maintenance cadence, with only one release recorded in the analyzed window. The latest update occurred 308 days ago, indicating a significant period of inactivity. Development momentum is stagnant, as the last release focused solely on minor design and UI refinements rather than new features or content. There is no evidence of active maintenance or ongoing support for the platform.

See all version history

Who built it?

DongHyeon Yun

2 apps tracked · Utilities

Exchange Rate - ConverterExchange Rate - Converter
Explore the full publisher profile

User Sentiment

What do users think recently?

The recent review mood reads mixed. Users appreciate the core charting functionality provides a clear and useful visual representation of data for users.

How are ratings & reviews evolving?

Google Play
0.00 · 0
App Store
0.00 · 0

What users say, by theme

What Users Love
  • The core charting functionality provides a clear and useful visual representation of data for users
What Frustrates Users
  • The manual date picker forces users to navigate month by month, creating a tedious input experience
+ 1 more theme
What Users Want 2 requests inside

6 of 6 recent reviews analyzed · limited sample · Mixed overall

Read the full review analysis

Unlock 1 more frustration theme and 2 user requests, each backed by review evidence.

Access the full report for free

Competition

Competitive landscape for Biorhythm Plus

How's the Utilities market?

Biorhythm Plus occupies a niche utility space with a free, ad-supported model. The lack of recent major feature updates limits its ability to capture share from more active competitors in the personal tracking category.

Read the market outlook

The rivals identified

Unlock the deeper market read.

Access the full report for free

The Analyst's Read

Key takeaways for Biorhythm Plus

Where is it heading?

The personal tracking utility market is increasingly favoring apps with high-frequency updates and modern input patterns. Biorhythm Plus remains exposed due to its stagnant development cycle and reliance on legacy navigation, which will likely lead to a gradual decline in active users as more responsive alternatives gain traction.

  • The 10-month development gap suggests the app is in maintenance mode, which limits its ability to compete with active, feature-rich utilities.
  • Persistent user complaints regarding the manual date picker indicate that core usability hurdles remain unaddressed, which compounds the risk of user churn.

The SWOT

Core Strengths
  • Swipe-based chart interface enables efficient historical and future data exploration
Critical Frictions 1 weakness inside
Growth Levers
  • Direct text input for birthdates would resolve the primary user complaint regarding navigation efficiency
Market Threats 1 threat identified

Next best moves

1 Invest

Ship direct text input for birthdates because it is the top-requested navigation improvement → reduce input friction

The counter-intuitive read

The lack of development is a strategic vulnerability…

Read the full take

Bottom line

Biorhythm Plus relies on a functional charting engine, but the inefficient date-entry mechanism limits session quality and retention. Prioritizing a direct text-input field would resolve the primary friction point, allowing the app to retain users who currently churn due to navigation fatigue.

Unlock 1 critical friction, 1 market threat and the analyst’s take.

Access the full report for free

FAQ

Is Biorhythm Plus free to use?
Yes, Biorhythm Plus is free and supported by advertisements. There are no in-app purchases or subscription tiers available.
Does Biorhythm Plus allow manual date entry?
No, currently the app requires users to navigate through a calendar interface month by month, which some users find tedious for selecting dates far in the past.
What features does Biorhythm Plus offer for cycle tracking?
Biorhythm Plus calculates physical, emotional, intellectual, and intuitive cycles based on a user's birth date and provides a swipe-based chart interface to view these cycles over time.

Sources

  1. [1] Play Store listing, source

Report last updated

Disclosure: Independent intel to help mobile builders succeed.

AI-powered analysis with automated quality gates, built from publicly available sources. Marlvel.ai is not affiliated with, endorsed by, or sponsored by Biorhythm Plus, its developer, the app publisher, Apple, or Google Play. All trademarks, logos, and screenshots referenced remain the property of their respective owners.

Cite this report

Marlvel.ai. “Biorhythm Plus Intelligence Report.” Updated Sep 11, 2026. https://marlvel.ai/apps/biorhythm-plus

Agent Markdown (.md)See methodologyContact support

Data licensed under CC-BY-NC 4.0