# Ladi Cal_ — BBT management calendar

> Basal body temperature and menstrual cycle tracking calendar with health data logging. (iPhone/iPad app by nagaya yoshinosuke.)

- Source: https://appshunter.io/ios/app/ladi-cal/id414209192 (this page in markdown: same URL + `.md`)
- Developer: [nagaya yoshinosuke](https://appshunter.io/developer/413493007)
- Category: Health & Fitness, Medical
- Price: $1.99
- Rating: 1.50/5 from 2 App Store ratings · 12 written reviews indexed
- Age rating: 12+
- Requires: iOS 9.0 · 16 MB
- Languages: English, Japanese, Korean, Chinese
- Released: 2011-01-20
- Data updated: 2026-06-10
- Monetization: paid
- User reviews in markdown: https://appshunter.io/ios/app/ladi-cal/id414209192/reviews.md

## What is Ladi Cal_?

"Ladi Cal" is an application to manage the basal body temperature for women. 

By going to enter some items and body temperature every morning, the anticipated date of ovulation appear next menstrual period, and the graph displays changes in body temperature. 
*You can also view body weight and body fat percentage as well as body temperature.
Please help manage your health by knowing the changes in basal body temperature and body weight, fat percentage. 

"Ladi Cal" feature is shown below. 

【Basal body temperature input and display】 
Entered the basal body temperature every morning are displayed on the calendar and graph. At low temperature on the calendar in blue, at high temperature are shown in red. 

【Body weight and fat percentage input and display】 
The body weight and fat percentage is displayed in calendar and graph as well as body temperature. These display contents can be switched on one tap, and you can also be set body temperature only mode.

【 Share data with Health app】 
Ladi Cal body temperature and  body weight, body fat percentage that you entered in is also stored as the data of health care app. (However, you do not have to deal with data of health care in Ladi Cal.)

【Input and display of items other than basal body temperature】 
Supports input and display the following items in addition to basal body temperature. 
・Notes 
・Period 
・Ovulatory pain 
・Vaginal bleeding 
・Vaginal discharge 
・Intercourse 
*The bottom 5 items is possible name and icon change, and the bottom 4 items is possible display/hidden and usable change.
*You can ales add 3 more items.

【Menstrual ovulation day forecast】 
Calculate the period from the date of the last menstrual cycle, menstruation and the next day will appear on the calendar and graph date of ovulation prediction. 

【Graph output】
You can email an image file showing a graph, and print directly.

【Data backup】
Important data with ease even when the PC email if it is made ​​whole to keep such data.
Restore the files attached to e-mail just to start Ladi Cal.

【Settings】
You can change the following items using the iPhone Settings app.
・Temp Unit(℃、℉)
・Range of displayint temperatures(35℃〜38℃, 95.0℉〜100.4℉)
・Switch ON/OFF the function of body weight and fat percentage management.
・Change display theme(18 patterns. red,orange,blue,pink and  check,dot pattern, and japanese pattern etc.)
・Passcode settings
・Input parameter's name, icon, display/hidden, usable.
・Select calendar week start day (Mon/Sun)
・Show / Hide average temperature line in graph.

【Passcode Lock】 
You can lock the screen when you start the application using the passcode. (can be disabled.)

*The bug that disappear data while using app has been reported, if a similar phenomenon occurs, please report the model and OS and download date and the details to "ynosuke@gmail.com"

## Key features

- Basal body temperature input and display
- Body weight and fat percentage tracking
- Menstrual and ovulation day forecast
- Customizable health item logging
- Data sharing with Health app
- Graph output via email or print
- Data backup and restore functionality

## Recent user reviews (10 of 12)

All indexed reviews: https://appshunter.io/ios/app/ladi-cal/id414209192/reviews.md

### 1/5 — 全然ダメ

*2013-12-24, version 11.3*

一年間以上これを信じて来ましたが、不妊の相談で医者に行ってわかったこと。
このカレンダーの排卵期は実際のものより数日遅く設定されてるようで、これを全て信じると、毎回、排卵期を逃す事になります。
気をつけて。

### 2/5 — an okay program

*2013-06-01, version 11.3*

Like this program but graph dose not work like it should.. Would like it to work, contacted the developer regarding this issue and of they can fix it than ill keep using it. If not i asked for my money back.

### 5/5 — Simple and easy to use.

*2012-08-17*

Simple and easy to use.

### 4/5 — Love this app!

*2012-06-22, version 10.0*

I have been using this for a few months and love it.  I wish we could enter weight in lbs...  Then it would be a five star app.

### 5/5 — Perfect, easy to use, intuitive

*2012-05-31*

Perfect basal temp monitor and more.  Simple & quick to use!

### 5/5 — Review

*2012-04-23, version 9.0*

Great app...nothing fancy but easy to use and has a lot of great features. I like that you can lock only the app and use a password to get in.

### 5/5 — Great app

*2012-03-31*

Brilliant app. Well worth it... The graphs are great and pretty spot on...

### 3/5 — Great app

*2012-03-01, version 9.0*

It does everything I want and shows info easy to read but I DO NOT like that it  predicts my ovulation when I am using this as a tool to predict my own. Then it highlights a week of ovulation that did not happen and is wrong. A way to turn that off would get 5 stars

### 1/5 — Don't like it

*2012-01-01*

It does not work well does not let you skip back days on other months .. Not a fan waste of $$$

### 4/5 — Really like!

*2011-11-09, version 8.2*

Love the graph and calendar. It allows you to create your own options to put on the graph. It estimates when your next period and when you'll ovulate but it only goes off of the average of your previous period and not your temperatures and cervical fluids. I like it and it's a good price for what it does.

## Frequently asked questions about Ladi Cal_

### What is Ladi Cal_ used for?

Ladi Cal_ is used to manage basal body temperature for women. It helps track temperature changes, predict ovulation and menstrual periods, and log body weight and fat percentage.

### Can Ladi Cal_ share data with Apple Health?

Yes, Ladi Cal_ can store entered body temperature, body weight, and body fat percentage data within the Apple Health app.

### How does Ladi Cal_ forecast ovulation and periods?

The app calculates and displays the anticipated date of ovulation and the next menstrual period based on the date of your last menstrual cycle.

### What other health items can be logged in Ladi Cal_?

In addition to basal body temperature, users can log notes, period, ovulatory pain, vaginal bleeding, vaginal discharge, and intercourse. Some items can be renamed, have their icons changed, or be hidden.

### Does Ladi Cal_ have ads?

No, Ladi Cal_ does not contain advertisements.

### What devices does Ladi Cal_ support?

Ladi Cal_ is supported on iPhone and iPod devices.

### How can I back up my data in Ladi Cal_?

You can back up your important data by emailing it to yourself. To restore, simply start Ladi Cal_ and attach the files from the email.

### What is the price of Ladi Cal_?

Ladi Cal_ is a paid application priced at $1.99.

## Version history (last 5 releases)

### 14.2 — 2017-09-16

This app has been updated by Apple to display the Apple Watch app icon.

Bug fix
- Fixed bug that physiological day prediction was not displayed correctly when restored from backup.

### 14.1 — 2017-05-02

【Bug fixes】
- Fixed an issue that can not be restored from backup created with Ver.14.00

### 14.0 — 2017-03-01

【Function addition】
· Supports input screen at the beginning of the day
· Optimize the size of parameter icons
· Add a theme of simple display
· Respond so that all Saturdays of the year can be registered on holidays

### 13.4 — 2016-05-13

【Bug fixes】
· Fixed data exists duplicate date
- Fixed a case is of the contents of the first date of the calendar does not appear
· Fixed an error in the restoration process from the old backup file

### 13.3 — 2016-01-11

【Bug fixes】
Fixed there is a case that memo does not appear in Calendar

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## More apps by nagaya yoshinosuke

- [Rec StopWatch](https://appshunter.io/ios/app/rec-stopwatch/id421727936)
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All apps by nagaya yoshinosuke: https://appshunter.io/developer/413493007

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*Data collected daily from the US App Store and indexed by [AppsHunter](https://appshunter.io/). User reviews are verbatim App Store reviews. Ratings, prices and chart positions refresh continuously; this snapshot is from 2026-06-10.*