Comparison

TEK WATCH vs Menstrual cycle tracker

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

Head to head
About

TEK WATCH

Features
Read full description

TEK Watch app是一款帮助您精准记录运动生活管理的客户端应用,根据您的手表端您可以在手机上很好的查看您每天的运动状态,运动轨迹,为您计算出平均配速和卡路里的消耗,为您提供一个全面的健康数据。 TEK Watch app 通过精准记录运动里程和热量消耗、直观的图形化展示助你量化减肥健身锻炼的效果。 TEK Watch APP随时随地掌握自己的健康指数,让您的身体锻炼更科学更健康。 不管是步行走步、跑步健走、走路徒步,TEK Watch 都是你运动记步、攻占微信运动排行榜不可或缺的好帮手。

About

Menstrual cycle tracker

This app helps women track their menstrual cycles, predict ovulation, and record symptoms. It offers a simple interface for planning pregnancies, medical appointments, or travel, with data backup and reminders.

Highlights
  • Track periods and predict dates
  • Log ovulation and fertile days
  • Record symptoms and PMS data
  • Analyze cycle statistics with graphs
  • Receive period, PMS, and ovulation reminders
  • Secure data backup and import
Features
Read full description

Menstruation calendar - the simplest, and convenient application for women to track the menstrual cycle, their condition and symptoms on different days. Women's calendar will help you to plan pregnancy, medical examination, travel and avoid unpleasant surprises! In the application you can easily track the dates of menstruation, their regularity and duration. The application will tell you the estimated date of ovulation and fertile days for pregnancy planning. We tried to make our free women's calendar intuitive, with a minimalistic design and only with the most necessary features! With the Days menstrual calendar you can: • track your periods and get a forecast of start and end dates of your next periods (based on your own menstrual history) • track ovulation and cycle days, most favorable for pregnancy • choose a date for medical tests on certain days of the cycle • keep a period diary, recording PMS data and other important information for you on any day • analyze statistics using visual graphs of cycle length and menstruation length • Get reminders for your next period, PMS and ovulation. All data can be automatically backed up by simply logging into your account (Google, Apple, Fb). Data will not be lost when changing device - if you are logged in, the data is stored securely and can be imported to any smartphone if necessary. Our menstrual calendar was created to make a woman's life easier, help get rid of worries, track p. c., menstruation flow, ovulation period and other symptoms in a simple, convenient and visual form. You will be able to use Days to conceive a child by defining your fertility window and ovulation period The data you need about your menstrual cycle will always be at your fingertips during your doctor's visit. We offer subscription plans in the app that unlock premium functions of the app: Payment will be charged to iTunes Account at confirmation of purchase Subscription automatically renews unless auto-renew is turned off at least 24-hours before the end of the current period Account will be charged for renewal within 24-hours prior to the end of the current period, and identify the cost of the renewal Subscriptions may be managed by the user and auto-renewal may be turned off by going to the user's Account Settings after purchase Any unused portion of a free trial period, if offered, will be forfeited when the user purchases a subscription to that publication, where applicable Price can depend on location For more information please visit the link https://support.apple.com/HT202039 Privacy Policy: https://doc.whisperarts.com/policy/days/ios/ Terms of Use: https://doc.whisperarts.com/terms/days/ios/ We always welcome your questions, suggestions and comments. Write to us at support@whisperarts.com

Screenshots

TEK WATCH4 screens
Menstrual cycle tracker4 screens

Verdict

The call

The clearest difference is in-app purchases: TEK WATCH at none against Menstrual cycle tracker's 5. TEK WATCH also leads on ads (none vs shown) and iOS requirement (10.0 vs 15.0). Menstrual cycle tracker's advantage is update cadence (every 6 weeks vs every 4 months). On price 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. Menstrual cycle tracker sells 5 in-app purchases, starting at $1.99 per month. TEK WATCH asks for nothing beyond the download.

UpkeepUpdate frequency

TEK WATCH ships an update every 4 months, Menstrual cycle tracker every 6 weeks. The most recent releases landed on September 28, 2026 and October 10, 2026 respectively.

Scorecard4 real differences · 6 level
TEK WATCH versus Menstrual cycle tracker: the parameters behind the verdict, then further details
ParameterTEK WATCHMenstrual cycle tracker
PriceFreeFree
Rating—4.5 (40 ratings) — better
Positive reviews—100.0% of reviews
Number of ratings—40 — better
Update frequencyEvery 4 monthsEvery 6 weeks — better
AdsNo — betterYes
In-app purchasesNo — betterYes
Monetization—Free with in-app purchases
DevicesiPhone, iPodiPhone, iPod
Requires iOS10.0 — better15.0
Further details — not scored
Size68 MB85 MB
Age rating4+12+
DeveloperShenzhen WO TAI ZHI LIAN TECHNOLOGY CO.,LtdWhisper Arts

In-app purchases

None

TEK WATCH

No in-app purchases

5 purchases

Menstrual cycle tracker

Subscriptions5
  • Subscription for month$1.991 Month
  • Subscription for 3 months$4.993 Months
  • Annual - Sale 50$4.991 Year
Show 2 more
  • Subscription for a year$9.991 Year
  • Subscription for 1 year7 Days trial$9.991 Year

Questions

Is TEK WATCH free?
TEK WATCH is free to download, with no in-app purchases.
Is Menstrual cycle tracker free?
Menstrual cycle tracker is free to download, with in-app purchases available.
Do TEK WATCH or Menstrual cycle tracker have ads?
Menstrual cycle tracker shows ads; TEK WATCH does not.
Which is updated more often, TEK WATCH or Menstrual cycle tracker?
TEK WATCH ships an update every 4 months, and Menstrual cycle tracker every 6 weeks. Most recently, TEK WATCH was updated on September 28, 2026 and Menstrual cycle tracker on October 10, 2026.

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