Simple Period Tracker vs VRFitLevelShifter
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
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.
VRFitLevelShifter
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VRFit 센서 사용시 실내자전거 단수를 실시간으로 조정할 수 있도록 도와주는 앱
Screenshots
Verdict
The clearest difference is iOS requirement: Simple Period Tracker at 14.0 against VRFitLevelShifter's 16. On price, update cadence, 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.
Simple Period Tracker ships an update every 2 weeks, VRFitLevelShifter every 3 weeks. The most recent releases landed on November 8, 2026 and November 10, 2026 respectively.
| Parameter | Simple Period Tracker | VRFitLevelShifter |
|---|---|---|
| Price | Free | Free |
| Rating | 3.7 (3 ratings) — better | — |
| Positive reviews | 92.9% of reviews | — |
| Number of ratings | 3 — better | — |
| Update frequency | Every 2 weeks — better | Every 3 weeks |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | — |
| Devices | iPhone, iPod | iPhone, iPad, iPod — better |
| Requires iOS | 14.0 — better | 16 |
| Further details — not scored | ||
| Size | 36 MB | 40 MB |
| Age rating | 12+ | 4+ |
| Developer | sangwoo lee | MtoME Co., Ltd. |
In-app purchases
Simple Period Tracker
No in-app purchases
VRFitLevelShifter
No in-app purchases
Questions
Is Simple Period Tracker free?
Is VRFitLevelShifter free?
Do Simple Period Tracker or VRFitLevelShifter have ads?
Which is updated more often, Simple Period Tracker or VRFitLevelShifter?
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