Comparison

AxisFlow vs Cycle Sister

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

Head to head
About

AxisFlow

Features
Read full description

AxisFlow makes it easy to monitor cycles, predict upcoming dates, and understand personal wellness patterns in one simple experience. Track ovulation, fertility windows, moods, symptoms, and daily health insights with smart predictions tailored to your routine. Set helpful reminders, view monthly trends, and stay informed with a clean and private wellness companion designed for everyday use. Features: • Smart cycle predictions • Ovulation & fertility insights • Mood and symptom monitoring • Personalized reminders • Wellness history and trends • Secure and private experience AxisFlow helps you stay organized, informed, and connected with your body through simple and reliable health tracking. Terms of Use (EULA): https://appaxislab.com/periodtracker-policy#eula Privacy Policy: https://appaxislab.com/periodtracker-policy

About

Cycle Sister

Features
Read full description

Cycle Sister is a private, local-first period and fertility tracker. Log your period cycles, track predictions for next cycle, fertile window, ovulation day, and safe windows. All data is kept 100% secure and stored locally on your device. Key features include: • Period start and length logging • Predictions for next periods and ovulation days • Color-differentiated safe/ovulation/predicted periods • Multi-profile support for recording multiple people (Pro features) • Local backup and restore with strong password encryption Privacy Policy: https://sites.google.com/view/cycle-care-app/privacy Terms of Use: https://sites.google.com/view/cycle-care-app/terms

Screenshots

AxisFlow4 screens
Cycle Sister3 screens

Verdict

The call

The clearest difference is ads: AxisFlow at none against Cycle Sister's shown. On price, update cadence, in-app purchases and device support there is nothing between them.

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

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

Both are free to download. AxisFlow sells 3 in-app purchases, starting at $3.99 per 7 days and Cycle Sister sells 2 in-app purchases, starting at $0.99 per month. Whichever you choose, the download price is not the number that matters.

UpkeepUpdate frequency

AxisFlow ships an update monthly, Cycle Sister every 2 months. The most recent releases landed on October 25, 2026 and October 28, 2026 respectively.

Scorecard1 real difference Ā· 5 level
AxisFlow versus Cycle Sister: the parameters behind the verdict, then further details
ParameterAxisFlowCycle Sister
PriceFreeFree
Update frequencyMonthly — betterEvery 2 months
AdsNo — betterYes
In-app purchasesYesYes
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS15.115.0 — better
Further details — not scored
Size67 MB30 MB
Age rating17+17+
DeveloperIhsan AhmadCloudSpirit Limited

In-app purchases

3 purchases

AxisFlow

Subscriptions3
  • Premium Weekly$3.997 Days
  • Premium Monthly$12.991 Month
  • Premium Yearly$99.991 Year
2 purchases

Cycle Sister

Subscriptions2
  • Monthly Premium$0.991 Month
  • Yearly Premium$9.991 Year

Questions

Is AxisFlow free?
AxisFlow is free to download, with in-app purchases available.
Is Cycle Sister free?
Cycle Sister is free to download, with in-app purchases available.
Do AxisFlow or Cycle Sister have ads?
Cycle Sister shows ads; AxisFlow does not.
Which is updated more often, AxisFlow or Cycle Sister?
AxisFlow ships an update monthly, and Cycle Sister every 2 months. Most recently, AxisFlow was updated on October 25, 2026 and Cycle Sister on October 28, 2026.

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