Comparison

Conceplanner vs Biorhythm Calc

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

Head to head
About

Conceplanner

Features
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Conceplanner combines cycle tracking and partner biorhythms, offering tailored predictions to boost your chances of conception. Key Features: • Predict menstrual cycles and FERTILE DAYS with high accuracy. • Sync and analyze both partners’ BIORHYTHMS for optimal alignment. • Add your most favorable days directly to your CALENDAR. • Beautiful, intuitive WIDGETS: red gradients signal predicted flow, green gradients highlight fertile days. • Clear CHARTS to help you understand your biorhythms. Why this might work? Conception isn’t just about one person’s biology – it’s about harmony. By combining your cycle with partner biorhythms, Conceplanner highlights the golden days when your chances of conceiving are at their peak --- Begin your journey today and let love, timing, and science come together to help you create the family of your dreams! If the thought of motherhood has been quietly blooming within you, now may be the perfect moment to let it flourish. Plan your conception with Conceplanner. Joint parenthood planning isn’t just about increasing your chances of pregnancy. It’s about building a strong foundation for the future, for your children and your partnership. Conceplanner combines the power of biorhythm theory with data from the Apple Health app. Our app merges the biorhythms of both partners and highlights your most favorable and unfavorable days. It predicts fertility based on your menstrual cycle data, showing results clearly in the app and through intuitive widgets: red gradients signal predicted flow, while green gradients mark fertile days. You can easily save the best dates to your calendar or track them at a glance with widgets. Don’t let your dream of family stay on hold. Simply enter your and your partner’s dates of birth, and let the app do the calculations for you. It’s that easy. :) Are you ready to begin the next chapter of your life? Every great story begins with the right timing... --- Web: https://www.conceplanner.com/ Facebook: https://www.facebook.com/people/Conceplanner/61573611370975/ Terms of use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ !!! VERY IMPORTANT: Always trust your doctor! Please ask your doctor’s advice in addition to using this app and its components before making any decisions. WARNING: The applications and their components are provided as is with NO WARRANTY, you use them at your own risk and you acknowledge that we are not responsible for any losses, injuries, deaths or damages to persons or properties – direct, indirect or consequential. Follow the laws of your country and the country where you are located. Using the applications and their components and following the information contained in them is solely at your own risk. The biorhythm theory is the pseudoscientific idea – there is no scientific evidence that biorhythms work.

About

Biorhythm Calc

Features
Read full description

Biorhythm Calculator reveals the hidden patterns that govern your energy, mood, and mental clarity - empowering you to plan your life around your natural peaks and valleys.

Screenshots

Conceplanner4 screens
Biorhythm Calc1 screens

Verdict

The call

The clearest difference is in-app purchases: Biorhythm Calc at none against Conceplanner's 2. Biorhythm Calc also leads on ads (none vs shown) and update cadence (every 2 weeks vs every 3 months). On price 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. Conceplanner sells 2 in-app purchases, starting at $0.99 per month. Biorhythm Calc asks for nothing beyond the download.

UpkeepUpdate frequency

Conceplanner ships an update every 3 months, Biorhythm Calc every 2 weeks. The most recent releases landed on September 10, 2026 and September 9, 2026 respectively.

Scorecard4 real differences · 2 level
Conceplanner versus Biorhythm Calc: the parameters behind the verdict, then further details
ParameterConceplannerBiorhythm Calc
PriceFreeFree
Update frequencyEvery 3 monthsEvery 2 weeks — better
AdsYesNo — better
In-app purchasesYesNo — better
DevicesiPhone, iPad, Mac, Apple Watch — betteriPhone, iPad, iPod
Requires iOS16.012.0 — better
Further details — not scored
Size10 MB24 MB
Age rating17+4+
DeveloperMichal IndraKornel Kaulics

In-app purchases

2 purchases

Conceplanner

Subscriptions2
  • Monthly subscription14 Days trial$0.991 Month
  • Yearly subscription1 Month trial$4.991 Year
None

Biorhythm Calc

No in-app purchases

Questions

Is Conceplanner free?
Conceplanner is free to download, with in-app purchases available.
Is Biorhythm Calc free?
Biorhythm Calc is free to download, with no in-app purchases.
Do Conceplanner or Biorhythm Calc have ads?
Conceplanner shows ads; Biorhythm Calc does not.
Which is updated more often, Conceplanner or Biorhythm Calc?
Conceplanner ships an update every 3 months, and Biorhythm Calc every 2 weeks. Most recently, Conceplanner was updated on September 10, 2026 and Biorhythm Calc on September 9, 2026.

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