Comparison

Meter vs Biorhythm Guide

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

Head to head
About

Meter

This utility app turns your iPhone into a comprehensive measurement toolkit. It provides access to various device sensors for real-time data on altitude, speed, pressure, motion, magnetic fields, location, sound levels, and leveling. Enjoy a clean interface with no ads or subscriptions.

Highlights
  • Complete sensor suite
  • Real-time measurements
  • High accuracy and precision
  • Modern card-based interface
  • Dark mode support
  • Privacy-focused local data processing
Read full description

Transform your iPhone into a powerful sensor measurement toolkit with Meter! Access all your device's sensors in one beautifully designed app. **COMPLETE SENSOR SUITE** • **Altimeter** - Real-time altitude and barometric pressure • **Speedometer** - GPS-based speed tracking with multiple units • **Barometer** - Atmospheric pressure monitoring • **Accelerometer** - 3-axis motion detection and gravity measurements • **Magnetometer** - Magnetic field strength and compass functionality • **GPS** - Precise location coordinates and accuracy indicators • **Sound Level Meter** - Decibel measurements (0-120 dB) with advanced classification • **Level Tool** - Precise leveling with roll/pitch measurements **KEY FEATURES** • Modern, intuitive card-based interface • Dark mode support • High accuracy and precision • No advertisements or subscriptions • Privacy-focused with local data processing • Real-time measurements with comprehensive error handling Perfect for engineers, scientists, outdoor enthusiasts, students, and anyone curious about their device's capabilities.

About

Biorhythm Guide

Understand your daily physical, emotional, and intellectual cycles with personalized charts and AI-driven insights. Connect with Apple Health or manually enter your birthdate for tailored guidance on optimizing your day.

Highlights
  • Personalized biorhythm calculations
  • AI-driven daily summaries
  • Day navigation for planning
  • Apple Health integration
  • Clean and simple UI
Features
Read full description

Unlock daily insights into your natural rhythms. Biorhythm Guide helps you understand how your physical, emotional, intellectual, and extended cycles influence your day. By connecting with Apple Health or entering your birthdate manually, the app calculates personalized biorhythm charts and delivers clear, actionable guidance. Features • Personalized Biorhythms – Calculate core, extended, and composite cycles based on your date of birth. • AI Insights – Receive daily summaries tailored to your energy levels, including suggestions for work, relationships, and self-care. • Day Navigation – Easily swipe or paginate through past and future days to plan ahead. • HealthKit Integration – Seamlessly sync your date of birth from Apple Health or set it manually. • Beautiful & Simple UI – Clean, intuitive design for quick daily check-ins. Why Biorhythms? Your biorhythm cycles shift every day, influencing focus, energy, creativity, and connection. With Biorhythm Guide, you’ll gain awareness of your natural highs and lows, helping you optimize your productivity, relationships, and well-being. Disclaimer: This app is based on biorhythm theory and does not provide medical, psychological, or health advice. For any health concerns, please consult a qualified professional.

Screenshots

Meter4 screens
Biorhythm Guide4 screens

Verdict

The call

The clearest difference is rating: Biorhythm Guide at 5.0 against Meter's 4.4. Meter's advantage is ratings volume (7 vs 1). On price, ads, in-app purchases and monetization model 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.

ReceptionRating · Positive reviews · Number of ratings

Biorhythm Guide holds the better App Store score, 5.0 against 4.4. That said, the two scores are not equally well evidenced: Meter has 7 ratings behind it against 1, so its average is the more settled of the two.

Scorecard2 real differences · 8 level
Meter versus Biorhythm Guide: the parameters behind the verdict, then further details
ParameterMeterBiorhythm Guide
PriceFreeFree
Rating4.4 (7 ratings)5.0 (1 ratings) — better
Positive reviews100.0% of reviews—
Number of ratings7 — better1
Update frequencyEvery 3 days—
AdsNoNo
In-app purchasesNoNo
MonetizationFreeFree
DevicesiPhone, iPadiPhone, iPad
Requires iOS18.2 — better18.5
Further details — not scored
Size2 MB5 MB
Age rating4+4+
DeveloperJiajun ZhangKhalid Mills

Customer experience

Meter

All ratings5 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews3 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

Biorhythm Guide

All ratings1 ratings
Positive100.0%
Neutral0.0%
Negative0.0%

In-app purchases

None

Meter

No in-app purchases

None

Biorhythm Guide

No in-app purchases

Questions

Is Meter free?
Meter is free to download, with no in-app purchases.
Is Biorhythm Guide free?
Biorhythm Guide is free to download, with no in-app purchases.
Which has better reviews, Meter or Biorhythm Guide?
Biorhythm Guide is rated higher. Meter averages 4.4 out of 5 from 7 ratings, while Biorhythm Guide averages 5.0 from 1 ratings.
Do Meter or Biorhythm Guide have ads?
Neither Meter nor Biorhythm Guide shows ads.

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