Pim vs Simple Period Tracker
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Pim
This app helps you manage your birth control routine with timely reminders and easy logging. It automatically tracks your cycles and periods, offering a clear overview of your intake history and upcoming breaks. Stay on track with your health effortlessly.
- Daily pill reminders
- Lock screen logging
- Apple Watch logging
- Intake history calendar
- Automatic cycle calculation
- Supports various pill regimens
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From daily reminders to pill-free period tracking, keep your routine effortlessly, every day. --- ### [Faster, Easier Pill Reminders] - Get reminders at your preferred time - Log your pill directly from the lock screen - Check off your dose in just one second with Apple Watch --- ### [Your Pill History at a Glance] - View your intake history on a calendar - Freely edit date and time records - Quickly check only the days you need --- ### [Automatic Pill-Free Period Tracking] - Simply enter your pill type and start date - Automatically calculates pill-taking cycles and breaks - Supports various regimens including 21-day and 28-day packs --- ### [Coming Soon] 1. Quick pill logging with widgets 2. Get answers to birth control questions directly in the app
Simple Period Tracker
This app offers a simple and intuitive way to track your menstrual cycle, ovulation, and fertile days. It provides accurate predictions with custom reminders and allows for detailed symptom and mood logging. Access your health data offline and personalize your experience with color themes.
- Quick period logging
- Daily symptom tracking
- Personal notes
- Auto cycle prediction
- Custom reminders
- Offline access
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Cherri is a simple, distraction-free period tracker designed for quick recording and accurate predictions. Check your next period, ovulation, and fertile days in just 10 seconds a day — with clean reminders when you need them. ■ Quick, intuitive logging Tap start/end dates directly on the calendar. ■ Daily symptom tracking Track a variety of symptoms by date with detailed categories. ■ Personal notes Record your mood, condition, and personal memos. ■ Auto cycle prediction Analyzes your period history for more accurate, personalized predictions. ■ Custom reminders Get alerts before your period, ovulation, or on the day. ■ Ovulation & fertility prediction Stay informed about fertile days automatically. ■ Long-term records Track up to 5 years of past cycles. ■ Offline access Use anywhere, anytime without internet. ■ Color themes Choose from 6 styles to personalize your calendar. No ads, no clutter — just the essentials for your health.
Screenshots
Verdict
The clearest difference is update cadence: Simple Period Tracker at every 2 weeks against Pim's every 2 months. Simple Period Tracker also leads on iOS requirement (14.0 vs 17.0). On price, review sentiment, ads and in-app purchases 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
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
Pim ships an update every 2 months, Simple Period Tracker every 2 weeks. The most recent releases landed on October 30, 2026 and November 5, 2026 respectively.
| Parameter | Pim | Simple Period Tracker |
|---|---|---|
| Price | Free | Free |
| Rating | — | 3.7 (3 ratings) — better |
| Positive reviews | 100.0% of reviews — better | 92.9% of reviews |
| Number of ratings | — | 3 — better |
| Update frequency | Every 2 months | Every 2 weeks — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone, Apple Watch | iPhone, iPod |
| Requires iOS | 17.0 | 14.0 — better |
| Further details — not scored | ||
| Size | 48 MB | 36 MB |
| Age rating | 12+ | 12+ |
| Developer | Hyemi So | sangwoo lee |
Customer experience
Pim
Simple Period Tracker
In-app purchases
Pim
No in-app purchases
Simple Period Tracker
No in-app purchases






