# 도전다이어트 vs Period Pro

The clearest difference is in-app purchases: 도전다이어트 at none against Period Pro's 5. 도전다이어트 also leads on ads (none vs shown) and update cadence (every 2 weeks vs monthly). Period Pro's advantage is device support (3 vs 1). On price and iOS requirement there is nothing between them.

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

도전다이어트 ships an update every 2 weeks, Period Pro monthly. The most recent releases landed on November 3, 2026 and October 30, 2026 respectively.

## The numbers

| Metric | 도전다이어트 | Period Pro |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | **Every 2 weeks** | Monthly |
| Monetization | — | Free with in-app purchases |
| Size | 95 MB | 114 MB |
| Requires iOS | **16.5** | 17.0 |
| Devices | iPhone | **iPhone, iPad, Apple Watch** |
| Age rating | 4+ | 17+ |
| Developer | [spsholdings](https://appshunter.io/developer/1713671248) | [Mung Bean Dolls (BeiJing) Technology Co., Ltd.](https://appshunter.io/developer/1330559257) |

## What reviewers say

### 도전다이어트

[App page](https://appshunter.io/ios/app/id6470971108)

**Features:** macOS Compatibility, Vision Pro support

**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 도전다이어트 free?

도전다이어트 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 도전다이어트 or Period Pro have ads?

Period Pro shows ads; 도전다이어트 does not.

### Which is updated more often, 도전다이어트 or Period Pro?

도전다이어트 ships an update every 2 weeks, and Period Pro monthly. Most recently, 도전다이어트 was updated on November 3, 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.*