Comparison

Simple Period Tracker vs Pebbl

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

Head to head
About

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.

Highlights
  • Quick period logging
  • Daily symptom tracking
  • Personal notes
  • Auto cycle prediction
  • Custom reminders
  • Offline access
Features
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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.

About

Pebbl

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조약돌처럼 작지만 단단하게, 나의 볼더링을 기록하세요. Pebbl은 볼더링 세션을 기록하고, 예쁜 인포그래픽으로 만들어 SNS에 공유할 수 있는 클라이밍 전용 앱입니다. ■ 운동 기록 - 타이머로 운동 시작, 종료 기록 - 난이도별 색상으로 완등(Flash/완등)·시도 기록 - 암장 등록 및 GPS 인증으로 실제 방문 확인 ■ 인포그래픽 & SNS 공유 - 7가지 디자인 템플릿 (클래식, 빅넘버, 스포티, 매거진, 콕핏) - 위치·크기 자유 조정, 테마·배경 커스터마이징 - 워터마크 스티커 PNG로 저장해 인스타그램 스토리에 바로 공유 ■ 성장 기록 - 월별 히스토리와 성장 추이 차트 - 난이도별 성장 곡선으로 실력 향상을 한눈에 확인 - 클라이밍 용어사전 66개 수록 (무브·홀드·장비·일반 용어) ■ 커뮤니티 & 랭킹 - 암장 단위 주간/월간/전체 랭킹 - 게시판에서 클라이밍 메이트와 소통 - 카카오/구글/Apple 로그인 + 클라우드 백업으로 기기를 바꿔도 기록은 그대로 ■ 로그인 없이 바로 사용 가능 지금 Pebbl과 함께 나의 볼더링 여정을 기록해보세요.

Screenshots

Simple Period Tracker4 screens
Pebbl4 screens

Verdict

The call

The clearest difference is update cadence: Pebbl at every 5 days against Simple Period Tracker's every 2 weeks. 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. Neither carries in-app purchases, so what you see is what you pay.

UpkeepUpdate frequency

Simple Period Tracker ships an update every 2 weeks, Pebbl every 5 days. Both last shipped on October 24, 2026.

Scorecard1 real difference · 9 level
Simple Period Tracker versus Pebbl: the parameters behind the verdict, then further details
ParameterSimple Period TrackerPebbl
PriceFreeFree
Rating3.7 (3 ratings) — better—
Positive reviews92.9% of reviews—
Number of ratings3 — better—
Update frequencyEvery 2 weeksEvery 5 days — better
AdsNoNo
In-app purchasesNoNo
MonetizationFree—
DevicesiPhone, iPodiPhone, iPod
Requires iOS14.0 — better15.1
Further details — not scored
Size36 MB81 MB
Age rating12+12+
Developersangwoo leeEunBeen Kuk

In-app purchases

None

Simple Period Tracker

No in-app purchases

None

Pebbl

No in-app purchases

Questions

Is Simple Period Tracker free?
Simple Period Tracker is free to download, with no in-app purchases.
Is Pebbl free?
Pebbl is free to download, with no in-app purchases.
Do Simple Period Tracker or Pebbl have ads?
Neither Simple Period Tracker nor Pebbl shows ads.
Which is updated more often, Simple Period Tracker or Pebbl?
Simple Period Tracker ships an update every 2 weeks, and Pebbl every 5 days. Most recently, Simple Period Tracker was updated on October 24, 2026 and Pebbl on October 24, 2026.

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