Comparison

Period Tracker vs SparkDuo

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

Head to head
About

Period Tracker

This app helps women and teen girls track their menstrual cycles, ovulation, and fertility. It offers a period calendar, due date calculator, mood logging, and health tips. Users can also connect with a community for support and insights.

Highlights
  • Period and ovulation calendar
  • Fertility window prediction
  • Menstrual cycle reminders
  • Mood and symptom logging
  • Pregnancy calendar
  • Health tips and articles
  • Community forum
Features
Read full description

Fertility Tracker is a friendly tool for any woman and teen girls who want to take more control over their life and health! Log your menstruation days in a handy period calendar, ovulation and fertility tracker, schedule menstrual cycle reminders, record moods, use a due date calculator, follow a pregnancy calendar - just all in one app. Let's keep track of your periods, estimate your chances of pregnancy, optimal fertility window and ovulation day and log symptoms to be more aware of your health changes. Fertility Tracker applies a beautiful and thoughtful design which provides users many important and useful functions: PERIOD & OVULATION & FERTILITY CALENDAR - Track your cycle, period - Log the start date, the end date of menstruation and fertile days - Get the predicted date of your next period - Be informed about the proposed fertile days and ovulation - Log more symptoms to get improved predictions if you have irregular periods - View the history of your previous cycles. HEALTH TIPS AND ARTICLES - Latest medical articles about women's, healthy pregnancy, menopause, healthy lifestyle - Advice for taking care of yourself throughout the cycle WONDERFUL COMMUNITY - Ask and be answered the community anything you want without limits - Learn from others who been there done that before GRAPHS - Keep your cycle, ovulation, fertility and symptoms history - Analyze your cycle and period duration, weight changes and activity during the cycle PREMIUM SUBSCRIPTION - Subscription start from USD 9.99. - a 1-month subscription - a 1-year subscription with 3 days free trial • Check in app for exact pricing in your region • Payment will be charged to your iTunes account at confirmation of purchase and will automatically renew (at the duration/price selected) unless auto-renew is turned off at least 24 hours before the end of the current period. • Account will be charged for renewal within 24-hours prior to the end of the current period, and identify the cost of the renewal. • Any unused portion of a free trial period, if offered, will be forfeited when the user purchases a subscription to that publication, where applicable • You can manage your subscription and/or turn off auto-renewal by going to your iTunes Account Settings, but refunds will not be given for any unused portion of the term. Terms of Service: https://www.maplelabs.co/policies/#terms Privacy: https://www.maplelabs.co/policies/#terms If you have any feedback, please send us at email address: support@maplelabs.co. Please leave a review on the App Store if you love using the app. We cannot wait to hear from you and we always appreciate your support.

About

SparkDuo

This app provides a private and secure space for couples to connect, communicate, and have fun. It offers features like private chat, couple games, AI relationship advice, location sharing, shared cycle tracking, and a memory museum. A premium subscription unlocks advanced AI features and exclusive themes.

Highlights
  • Private and secure chat
  • Couple games and daily questions
  • AI relationship assistant
  • Shared location radar
  • Shared cycle tracking
  • Memory museum for couples
  • Premium subscription for advanced features
Features
Read full description

SparkDuo es el espacio privado, seguro y divertido diseñado exclusivamente para ti y tu pareja. Ya sea que vivan juntos o estén en una relación a larga distancia, SparkDuo les da todas las herramientas necesarias para comunicarse mejor, divertirse y mantener la chispa viva. Características Principales: CHAT PRIVADO Y SEGURO Un mensajero exclusivo donde solo existen ustedes dos. Sin distracciones, sin otras personas. Solo su propio universo. JUEGOS PARA PAREJAS Y PREGUNTAS DIARIAS ¿Crees que conoces todo sobre tu pareja? Descúbrelo con nuestros juegos como "Verdad o Reto", "Ruleta del Amor" y las Preguntas Diarias diseñadas para generar conversaciones profundas y divertidas. VARITA MÁGICA Y ASISTENTE ÍNTIMO (IA) ¿No sabes qué decir después de una pelea? ¿Buscas ideas para una cita perfecta? Nuestra Inteligencia Artificial especializada en relaciones de pareja está lista para darte consejos personalizados y romper el hielo. RADAR DE PAREJA Comparte tu ubicación en tiempo real con tu pareja para saber qué tan lejos están el uno del otro. (100% opcional y privado). SEGUIMIENTO DE CICLO COMPARTIDO Los hombres ahora pueden entender mejor a sus parejas. Sincroniza el ciclo y recibe alertas y consejos empáticos para saber cuándo consentirla más. MUSEO DE RECUERDOS Un álbum compartido donde pueden guardar sus fechas importantes, aniversarios y fotos favoritas para que nunca se pierdan en el carrete de su celular. PREMIUM Desbloquea acceso ilimitado a nuestra IA experta en parejas, pines especiales en el radar y temas exclusivos. ¡Y lo mejor: 1 sola suscripción cubre a ambas cuentas! Descarga SparkDuo y transforma la manera en que conectas con la persona que más amas. Términos de Servicio (EULA): https://sparkduo.web.app/terms

Screenshots

Period Tracker4 screens
SparkDuo4 screens

Verdict

The call

The clearest difference is review sentiment: SparkDuo at 100% against Period Tracker's 44%. SparkDuo also leads on rating (5.0 vs 4.4) and update cadence (weekly vs fortnightly). Period Tracker's advantage is ratings volume (213 vs 1) and iOS requirement (13.0 vs 15.0). 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. Period Tracker sells 3 in-app purchases, starting at $3.99 per 7 days and SparkDuo sells 2 in-app purchases, starting at $6.99 per month. Whichever you choose, the download price is not the number that matters.

ReceptionRating · Positive reviews · Number of ratings

SparkDuo holds the better App Store score, 5.0 against 4.4. That said, the two scores are not equally well evidenced: Period Tracker has 213 ratings behind it against 1, so its average is the more settled of the two. Written reviews point the same way: 44% of Period Tracker's written reviews are positive against 100% of SparkDuo's.

UpkeepUpdate frequency

Period Tracker ships an update fortnightly, SparkDuo weekly. The most recent releases landed on October 7, 2026 and October 6, 2026 respectively.

Scorecard5 real differences · 5 level
Period Tracker versus SparkDuo: the parameters behind the verdict, then further details
ParameterPeriod TrackerSparkDuo
PriceFreeFree
Rating4.4 (213 ratings)5.0 (1 ratings) — better
Positive reviews43.8% of reviews100.0% of reviews — better
Number of ratings213 — better1
Update frequencyFortnightlyWeekly — better
AdsYesYes
In-app purchasesYesYes
MonetizationFreemiumFree with in-app purchases
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS13.0 — better15.0
Further details — not scored
Size105 MB52 MB
Age rating12+9+
DeveloperMaple Labs Co., LtdDiego Jossabath Garcia Espinoza

Customer experience

Period Tracker

All ratings213 ratings
Positive85.0%
Neutral4.2%
Negative10.8%
Written reviews16 reviews
Positive43.8%
Neutral12.5%
Negative43.8%

SparkDuo

All ratings1 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews1 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

In-app purchases

3 purchases

Period Tracker

Subscriptions3
  • Premium$3.997 Days
  • Premium$9.991 Month
  • Premium$39.991 Year
2 purchases

SparkDuo

Subscriptions2
  • Premium Monthly$6.991 Month
  • Premium Annual$39.991 Year

Questions

Is Period Tracker free?
Period Tracker is free to download, with in-app purchases available.
Is SparkDuo free?
SparkDuo is free to download, with in-app purchases available.
Which has better reviews, Period Tracker or SparkDuo?
SparkDuo is rated higher. Period Tracker averages 4.4 out of 5 from 213 ratings, while SparkDuo averages 5.0 from 1 ratings.
Do Period Tracker or SparkDuo have ads?
Both Period Tracker and SparkDuo show ads.
Which is updated more often, Period Tracker or SparkDuo?
Period Tracker ships an update fortnightly, and SparkDuo weekly. Most recently, Period Tracker was updated on October 7, 2026 and SparkDuo on October 6, 2026.

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