# HT体温计 vs Period Pro

The clearest difference is review sentiment: Period Pro at 100% against HT体温计's 0%. HT体温计's advantage is in-app purchases (none vs 5) and ads (none vs shown). On price and device support there is nothing between them.

Both are free to download. Period Pro sells 5 in-app purchases, starting at $1.99 per month. HT体温计 asks for nothing beyond the download.

HT体温计 ships an update every 2 weeks, Period Pro monthly. Both last shipped on October 30, 2026.

## The numbers

| Metric | HT体温计 | Period Pro |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 0.0% of reviews | **100.0% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | **Every 2 weeks** | Monthly |
| Monetization | **Free** | Free with in-app purchases |
| Size | 5 MB | 114 MB |
| Requires iOS | **8.0** | 17.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, Apple Watch |
| Age rating | 4+ | 17+ |
| Developer | [Holtek Semiconductor(China) Inc](https://appshunter.io/developer/1052056181) | [Mung Bean Dolls (BeiJing) Technology Co., Ltd.](https://appshunter.io/developer/1330559257) |

## What reviewers say

### HT体温计

[App page](https://appshunter.io/ios/app/ht/id1129186286)

This application displays human body temperature readings. It pairs with a dedicated Holtek temperature sensing IC to wirelessly transmit and show your body temperature data via Bluetooth BLE.

**Highlights:** Displays body temperature, Bluetooth BLE connectivity, Works with Holtek temperature IC, Wireless data transmission, Real-time temperature display

**In-app purchases:** none


### Period Pro

[App page](https://appshunter.io/ios/app/period-pro-cycle-and-widgets/id6749749716)

Track your menstrual cycle, fertility, and overall well-being with detailed insights and helpful reminders. Offers modes for trying to conceive, pregnancy, and postpartum, with deep iOS integration for health data syncing.

**Highlights:** Period and flow tracking, Fertility and ovulation prediction, Symptom and mood logging, Apple Health integration, Lock Screen and Home Screen widgets, Health stats and trend analysis

**Features:** macOS Compatibility, Apple Watch app, Vision Pro support

**In-app purchases (5)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 按月订阅 | $1.99 | per month |
| 按季订阅 | $3.99 | per 3 months |
| 按年订阅 | $9.99 | per year |
| 月卡会员 | $2.69 | one-time |
| 永久会员 | $22.99 | one-time |


## Frequently asked questions

### Is HT体温计 free?

HT体温计 is free to download, with no in-app purchases.

### Is Period Pro free?

Period Pro is free to download, with in-app purchases available.

### Do HT体温计 or Period Pro have ads?

Period Pro shows ads; HT体温计 does not.

### Which is updated more often, HT体温计 or Period Pro?

HT体温计 ships an update every 2 weeks, and Period Pro monthly. Most recently, HT体温计 was updated on October 30, 2026 and Period Pro on October 30, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*