Comparison

Selene vs BabySync

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

Head to head
About

Selene

Read full description

Simple, private, and secure. Your cycle data never leaves your phone. Period. β–Έ TRULY PRIVATE No accounts. No cloud sync. No analytics. No tracking. Works 100% offline. β–Έ MULTI-LANGUAGE SUPPORT English, Simplified & Traditional Chinese, and Spanish. β–Έ COMPLETE TRACKING Log periods, flow intensity, 14+ symptoms, mood, and custom symptoms. Get cycle predictions based on your personal history. β–Έ BACKUP & EXPORT Import/Backup exports. β–Έ BEAUTIFUL & SIMPLE Clean calendar interface. Quick one-tap logging. Insights that actually help. No bloated features you'll never use. FEATURES β€’ Track periods with one tap β€’ Log flow intensity (light, medium, heavy, spotting) β€’ Record 14+ symptoms: cramps, headaches, mood, fatigue, and more β€’ Add custom symptoms that matter to you β€’ Cycle predictions based on your history β€’ Insights and patterns over time β€’ Dark mode Selene - from the Greek meaning "Goddess of the Moon" Pay once, own forever. Built with Love by AiofEffect LLC Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Privacy Policy: https://aiofeffect.com/privacy Terms & Conditions: https://aiofeffect.com/terms

About

BabySync

Features
Read full description

BabySync is a comprehensive pregnancy tracking app designed for couples to experience the journey together. Track your baby's weekly development with fruit-size comparisons, find the perfect baby name with Tinder-style swiping and partner matching, organize your hospital bag, and confidently manage contractions with the built-in timer. KEY FEATURES β€’ Weekly Baby Development β€” See your baby's size each week with cute fruit comparisons and read detailed development info β€’ Pick Names Together β€” Discover baby names with Tinder-style swiping, instantly see names you both love β€’ Hospital Bag Prep β€” Never forget anything with a category-based checklist for mom and baby β€’ Contraction Timer β€” Track contraction duration and intervals with easy start/stop, get hospital alerts based on the 5-1-1 rule β€’ Craving Cards β€” Send fun craving requests to your partner with urgency levels β€’ Mood Diary β€” Record your daily emotions and view weekly summaries β€’ Appointment Calendar β€” Organize doctor visits, ultrasounds, and blood tests β€’ Partner Sync β€” Pair with your partner via 6-digit code and track everything together With BabySync, your pregnancy journey becomes a team effort. Every step, every excitement, every moment β€” together. Note: BabySync does not provide medical advice. All information is for educational purposes only. Always consult your doctor for health decisions. Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Privacy Policy: https://babysync.dev/privacy

Screenshots

Selene4 screens
BabySync4 screens

Verdict

The call

The clearest difference is update cadence: BabySync at every 3 days against Selene's monthly. Selene's advantage is iOS requirement (15.1 vs 18.0). On price, ads, in-app purchases and device support there is nothing between them.

Scored on Price Β· Rating Β· Positive reviews Β· Number of ratings Β· Update frequency Β· Ads Β· In-app purchases Β· Monetization Β· Best chart rank Β· Devices Β· Requires iOS

CostPrice Β· In-app purchases Β· Ads Β· Monetization

Both are free to download. Selene sells 1 one-off in-app purchase and BabySync sells 2 in-app purchases, starting at $1.99 per month. Whichever you choose, the download price is not the number that matters.

UpkeepUpdate frequency

Selene ships an update monthly, BabySync every 3 days. The most recent releases landed on October 16, 2026 and October 25, 2026 respectively.

Scorecard2 real differences Β· 4 level
Selene versus BabySync: the parameters behind the verdict, then further details
ParameterSeleneBabySync
PriceFreeFree
Update frequencyMonthlyEvery 3 days β€” better
AdsNoNo
In-app purchasesYesYes
DevicesiPhone, iPad, iPod β€” betteriPhone, iPad
Requires iOS15.1 β€” better18.0
Further details β€” not scored
Size41 MB14 MB
Age rating4+12+
DeveloperAiofeffect LLCSERKAN AZERI

In-app purchases

1 purchases

Selene

One-time1
  • Selene Lifetime$1.99
2 purchases

BabySync

Subscriptions2
  • BabySync Premium Monthly$1.991 Month
  • BabySync Premium Yearly$9.991 Year

Questions

Is Selene free?
Selene is free to download, with in-app purchases available.
Is BabySync free?
BabySync is free to download, with in-app purchases available.
Do Selene or BabySync have ads?
Neither Selene nor BabySync shows ads.
Which is updated more often, Selene or BabySync?
Selene ships an update monthly, and BabySync every 3 days. Most recently, Selene was updated on October 16, 2026 and BabySync on October 25, 2026.

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