Comparison

Selene vs Syncira

Price, ratings, monetisation and update history for both apps, side by side — 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. ▸ TRULY PRIVATE No accounts. No cloud sync. No analytics. No tracking. Works 100% offline. ▸ MULTI-LANGUAGE SUPPORT English, Simplified & Traditional Chinese, and Spanish. ▸ COMPLETE TRACKING Log periods, flow intensity, 14+ symptoms, mood, and custom symptoms. Get cycle predictions based on your personal history. ▸ BACKUP & EXPORT Import/Backup exports. ▸ BEAUTIFUL & SIMPLE Clean calendar interface. Quick one-tap logging. Insights that actually help. No bloated features you'll never use. FEATURES • Track periods with one tap • Log flow intensity (light, medium, heavy, spotting) • Record 14+ symptoms: cramps, headaches, mood, fatigue, and more • Add custom symptoms that matter to you • Cycle predictions based on your history • Insights and patterns over time • 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

Syncira

Understand your body's natural rhythms and align your life with your menstrual cycle. Discover personalized recommendations for rest, movement, and focus based on your inner season. Track your symptoms, mood, and energy to gain insights into your well-being.

Highlights
  • Identify your current cycle phase
  • Personalized daily invitations
  • Track period, symptoms, mood, and energy
  • View recurring cycle patterns
  • Private journaling with prompts
  • Food, movement, and activity suggestions
  • Clear explanations of hormones
Features
Read full description

Live in rhythm with your cycle. Your cycle moves through four inner seasons - Winter, Spring, Summer and Autumn. Syncira helps you notice where you are, and meet yourself there with the right rest, movement and focus for each phase. KNOW YOUR PHASE See where you are in your cycle at a glance, and understand what each inner season asks of you. TURN YOUR CYCLE INTO YOUR ADVANTAGE Set a goal in any area of your life, and let each phase do what it does best: dream and plan, act and connect, focus and finish, rest and reset. Syncira shapes a small daily invitation around your goal and the phase you are in. LOG WHAT MATTERS Track your period, symptoms, energy, mood, sleep, weight and more in a calm, uncluttered daily check-in. Nothing you do not want to track, and nothing shouting at you. SEE YOUR PATTERNS Watch your cycle reveal itself - the patterns that repeat, phase by phase, month after month, with plain explanations of why they might. RETURN TO YOURSELF Journal privately with prompts shaped to where you are, set an intention for the cycle ahead, and reflect at its close. LIVE IT FULLY Food, movement and activities suited to your inner season, plus seasonal recipes and a grocery list that builds itself. LEARN YOUR BODY Calm, clear explanations of each phase and the hormones behind it, without the jargon. BUILT WITH YOUR PRIVACY IN MIND Your most sensitive entries - your journal, reflections and intentions - are encrypted on your device before they are stored. We never sell your data, and we never use it for advertising. A NOTE ON WHAT SYNCIRA IS Syncira is a wellness and self-tracking app. It is not a medical device. It does not diagnose, treat, cure or prevent any condition, and it is not a reliable method of contraception or fertility planning. Cycle predictions are estimates based on what you enter. Please speak to a qualified healthcare professional about any medical concern. SYNCIRA PREMIUM A 14-day free trial is included when you sign up. Premium opens the full library - every food, movement, activity and recipe for each season, your complete journal history, and cycle intentions. Monthly and annual plans are available. Prices are shown in the app and confirmed by the App Store before you are charged, and may vary by region. Subscriptions renew automatically unless cancelled at least 24 hours before the current period ends. Manage or cancel in your Apple ID settings at any time. Terms of Use: https://syncira.app/terms Privacy Policy: https://syncira.app/privacy

Screenshots

Selene4 screens
Syncira4 screens

Verdict

The call

The clearest difference is update cadence: Syncira at every 5 days against Selene's monthly. On price, ads, in-app purchases 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. Selene sells 1 one-off in-app purchase and Syncira sells 2 in-app purchases, starting at $5.99 per month. Whichever you choose, the download price is not the number that matters.

UpkeepUpdate frequency

Selene ships an update monthly, Syncira every 5 days. The most recent releases landed on October 16, 2026 and October 24, 2026 respectively.

Scorecard1 real difference · 9 level
Selene versus Syncira: the parameters behind the verdict, then further details
ParameterSeleneSyncira
PriceFreeFree
Rating—5.0 (2 ratings) — better
Positive reviews—100.0% of reviews
Number of ratings—2 — better
Update frequencyMonthlyEvery 5 days — better
AdsNoNo
In-app purchasesYesYes
Monetization—Freemium
DevicesiPhone, iPad, iPod — betteriPhone, iPod
Requires iOS15.115.1
Further details — not scored
Size41 MB68 MB
Age rating4+17+
DeveloperAiofeffect LLCJelena Korac

In-app purchases

1 purchases

Selene

One-time1
  • Selene Lifetime$1.99
2 purchases

Syncira

Subscriptions2
  • Syncira Premium (Monthly)$5.991 Month
  • Syncira Premium (Yearly)$34.991 Year

Questions

Is Selene free?
Selene is free to download, with in-app purchases available.
Is Syncira free?
Syncira is free to download, with in-app purchases available.
Do Selene or Syncira have ads?
Neither Selene nor Syncira shows ads.
Which is updated more often, Selene or Syncira?
Selene ships an update monthly, and Syncira every 5 days. Most recently, Selene was updated on October 16, 2026 and Syncira on October 24, 2026.

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