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Screenshots

  • AsterKit screenshot 1
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  • AsterKit screenshot 3
  • AsterKit screenshot 4

About AsterKit

FIRST PERIOD GUIDE New to periods? Open the Guide tab from Calendar or Settings. Plain language, no jargon. Written for anyone at the beginning. AsterKit is a personal wellness app for tracking your cycle. Not a medical device. A private place to log your period and understand your own patterns. THE DIFFERENCE Most period apps track every tap, bundle analytics SDKs, and sell your cycle data to advertisers. AsterKit does none of that. Cycle data stays on your device, protected by the operating system. We have no servers, no database, no copy of your history. HOW IT WORKS A parent completes a quick math check (about 10 seconds) to get started. No PIN, no account. Then the 7-day free trial starts. After day 7, a one-time $4.99 purchase unlocks everything. No subscription, no recurring charges. WHAT YOU CAN DO LOG YOUR PERIOD Record start and end dates. Add intensity (light, medium, heavy, spotting), symptoms, and mood. All stored locally on your device. GENTLE PREDICTIONS After 3+ cycles, see an estimated date for your next period. Based on your personal history. Predictions are estimates only; everyone's cycle is different. ADVANCED INSIGHTS (Premium) Average cycle length, period duration, and consistency patterns. Export a PDF summary to bring to a doctor's appointment. PRIVACY, PLAINLY • Cycle data stays on your device. • We have no servers, no copy of your history. • The only thing that ever leaves your phone: an anonymous receipt token (it confirms your purchase is valid). That's it. • No analytics. No ads. No data sharing. ONE PRICE. YOURS TO KEEP. 7-day free trial, then one-time $4.99. No subscription, no recurring charges, no surprise bills. NOT MEDICAL ADVICE: AsterKit is not a medical device and should not replace professional medical advice. For medical questions about your cycle, consult a healthcare provider. Privacy policy: asterkit.app/privacy Terms: asterkit.app/terms Support: [email protected] (response within 24 hours)

What’s new

Version 0.0.6 · Updated July 19, 2026

Meet Theme Studio. See all 6 themes at once, each shown in its own colors, and tap to switch instantly. Want your phone's appearance instead? Turn on Match Device in the same screen. Find it in Settings, then Theme Studio. Your cycle data still stays on your device. Nothing changed about that.

App privacy

The developer, Ryan Gonzalez, reported these privacy practices to Apple.

Data Not Linked to You

The following data, which may be collected but is not linked to your identity, may be used for the following purposes:

  • Purchases: Purchase History
  • Identifiers: Device ID

Used for: App Functionality

Alternatives to AsterKit

Looking for apps like AsterKit? Here are 6 similar apps on the App Store. The highest rated is ADHD Guide: Learn about ADHD (5.0/5), and all 6 are free to download.

AsterKit vs. alternatives
App Rating Price Last updated Compare
AsterKit – Free July 19, 2026
Haven: Period Tracker – Free May 16, 2026 Compare
Ovara Period & Cycle Tracker 4.8 / 5 (5) Free Oct 4, 2026 Compare
Period Tracker - Cycle Log 4.6 / 5 (18) Free Mar 25, 2026 Compare
ADHD Guide: Learn about ADHD 5.0 / 5 (2) Free Oct 2, 2026 Compare
Skulpt . Studio 5.0 / 5 (2) Free Dec 6, 2025 Compare
Period Tracker: Ovulation Flow 5.0 / 5 (1) Free Jul 7, 2026 Compare

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