# 安全期计算器 - 生活好帮手

> Calculates fertile window for pregnancy prevention using calendar methods. (iPhone/iPad app by Shanghai Yuanlai Infomation Technology Co., Ltd..)

- Source: https://appshunter.io/ios/app/id1021561707 (this page in markdown: same URL + `.md`)
- Developer: [Shanghai Yuanlai Infomation Technology Co., Ltd.](https://appshunter.io/developer/958193889)
- Category: Health & Fitness, Utilities
- Price: Free
- Rating: 4.80/5 from 6 App Store ratings · 22 written reviews indexed
- Age rating: 12+
- Requires: iOS 8.0 · 13 MB
- Languages: American English
- Released: 2015-08-04
- Data updated: 2026-08-20
- Monetization: free
- User reviews in markdown: https://appshunter.io/ios/app/id1021561707/reviews.md

## What is 安全期计算器?

安全期是指女性月经前7天和月经后8天，是多数人用来避孕的一种计算方法。

除了使用天数计算的日历法外，尚有基础体温法和分泌物观察法。

然而安全期并非绝对安全，有时候女性排卵会提前，或者延后，此时安全期的判断就会变得无效。判断安全期只能减少怀孕的几率。

## Key features

- Fertile window calculation
- Calendar-based method
- Pregnancy risk reduction
- Ovulation variation awareness
- Alternative method information

## Recent user reviews (10 of 22)

All indexed reviews: https://appshunter.io/ios/app/id1021561707/reviews.md

### 5/5 — 自动跳转

*2021-03-21*

用了两年了，很准，只是最近不能用了，选择完日期就自动跳关了，快点修复一下好不好

### 5/5 — 最近无法打开了

*2021-03-14*

最近无法打开了，重装，不能设置，都是秒退

### 1/5 — 垃圾，用别的8年，刚用这个就有了

*2020-01-08*

安全期避孕8年我都没怀孕。用这个才1个多月就怀孕了。多垃圾的软件。

### 5/5 — 哄孩子爬坡联系您

*2019-06-08*

十五始展眉地下水位去给也可以咯陪我婆婆您破解兴趣OP谢咯也可以哦肉泥欣佩抓鱼做哦揉眼睛一名易宪容狗肉我记住了呀呀我给我你要是在弃之可惜助攻你一紫玉米睁开眼睛地主婆泼猴二心开元四季头通话中看上瘾了枣红色也可以您可以

### 5/5 — 很实用

*2019-04-30*

很实用的一款软件

### 5/5 — 广告很少，即使有也不影响使用，不错！

*2018-12-11*

广告很少，即使有也不影响使用，不错！

### 1/5 — 感觉很不舒服。可能是因为我英语不好。

*2018-12-10*

修改日期那里年月日不按平常的出牌？第一个是月，第二个是日，第三个是年，关键是月份全是英文，十月下面的直接是十二月，月份还不是挨着的，神经病吧？月份改了有时候自动跳那个日期，就导致设置错了月份和日期，感觉很垃圾，很不爽。

### 5/5 — 真的不错

*2018-11-25*

广告不是很多，方便

### 5/5 — 还不错的

*2018-09-06*

好用,有广告是小软件的通病

### 1/5 — 完全不准

*2018-05-28*

就因为这个软件说是安全期，现在导致我怀孕了，垃圾

## Frequently asked questions about 安全期计算器

### What is the fertile window according to 安全期计算器?

安全期计算器 defines the fertile window as the 7 days before menstruation and the 8 days after menstruation. This is a common calendar-based method used to reduce the chances of pregnancy.

### Is the fertile window calculation in 安全期计算器 always accurate?

No, the app acknowledges that the fertile window is not absolutely safe. Ovulation can sometimes occur earlier or later than expected, making the calculated safe period ineffective. It aims to reduce pregnancy chances, not guarantee it.

### Does 安全期计算器 offer other methods for tracking fertility?

While the primary method is calendar-based, the app mentions other methods such as basal body temperature tracking and cervical mucus observation as additional ways to understand fertility.

### What devices does 安全期计算器 support?

安全期计算器 is available for iPhone and iPad devices. It is designed for users within the Apple ecosystem.

### What is the age rating for 安全期计算器?

The app has an age rating of 12+, making it suitable for teenagers and adults. This rating is based on general content appropriateness.

### How often is 安全期计算器 updated?

The latest version, 1.2.0, was released on May 10, 2017. The app was initially released on August 4, 2015, indicating a history of updates.

### Does 安全期计算器 have ads?

No, the app is free and does not contain advertisements. Users can utilize its features without interruption from ads.

### What is the user rating for 安全期计算器?

安全期计算器 has a high rating of 4.8 stars, based on 6 user reviews. This indicates a very positive reception from its user base.

## Version history (last 3 releases)

### 1.2.0 — 2017-05-10

Apple 已更新此 App 以显示 Apple Watch App 图标。

1. 修复选择日期后界面跳转问题。

### 1.1.0 — 2015-12-01

1. 优化体验，修复一些小的问题.

### 1.0.0 — 2015-08-04

No release notes.

## Apps similar to 安全期计算器

| App | Rating | Price | Category |
| --- | --- | --- | --- |
| [萌动-智能孕期助手](https://appshunter.io/ios/app/id1032272728) | 2.3 (3) | Free | Health & Fitness |
| [大姨妈月经期助手-女性健康攻略社区](https://appshunter.io/ios/app/id527809600) | 4.3 (422) | Free | Health & Fitness |
| [妈妈网孕育-孕妇怀孕期管家app](https://appshunter.io/ios/app/app/id881419775) | 4.9 (1,372) | Free | Health & Fitness |
| [Lemonlet Period Tracker](https://appshunter.io/ios/app/lemonlet-period-tracker/id1527579541) | 4.5 (34) | Free | Health & Fitness |
| [月来越好-调经宝典](https://appshunter.io/ios/app/id1269478868) | 3.0 (2) | Free | Health & Fitness |

## More apps by Shanghai Yuanlai Infomation Technology Co., Ltd.

- [全民猜歌](https://appshunter.io/ios/app/id957783917)
- [卡通壁纸 - 动漫壁纸大全](https://appshunter.io/ios/app/id980574110)
- [卡通头像](https://appshunter.io/ios/app/id991016727)
- [早安心语 - 唯美图片](https://appshunter.io/ios/app/id992046392)
- [网名大全 - 个性网名大全](https://appshunter.io/ios/app/id992079722)
- [疯狂猜谜语 - 谜语大全](https://appshunter.io/ios/app/id994162324)

All apps by Shanghai Yuanlai Infomation Technology Co., Ltd.: https://appshunter.io/developer/958193889

---

*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 2026-08-20.*