# 정해 만세력 vs 생일의 비밀

The clearest difference is in-app purchases: 정해 만세력 at none against 생일의 비밀's 3. 정해 만세력 also leads on update cadence (every 2 days vs weekly). 생일의 비밀's advantage is review sentiment (90% vs 62%). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. 생일의 비밀 sells 3 in-app purchases, starting at $6.99 per month. 정해 만세력 asks for nothing beyond the download.

정해 만세력 ships an update every 2 days, 생일의 비밀 weekly. Both last shipped on November 3, 2026.

## The numbers

| Metric | 정해 만세력 | 생일의 비밀 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/id1633640391/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | 61.5% of reviews | **90.2% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Every 2 days** | Weekly |
| Monetization | **Free** | Free with in-app purchases |
| Size | 63 MB | 273 MB |
| Requires iOS | **15.0** | 16.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, Apple Watch |
| Age rating | 12+ | 4+ |
| Developer | [Ice Prince Co., Ltd.](https://appshunter.io/developer/1633640393) | [OUr](https://appshunter.io/developer/536280661) |

## What reviewers say

### 정해 만세력

[App page](https://appshunter.io/ios/app/id1633640391)

A comprehensive astrological reading assistant for professional astrologers and students. Offers detailed analysis and support for learning and practicing the art of fortune-telling.

**Highlights:** Astrological reading assistant, Fortune-telling analysis, Learning tool for astrology, Professional-grade insights, Student-friendly interface

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

**In-app purchases:** none


### 생일의 비밀

[App page](https://appshunter.io/ios/app/id6469578061)

This app provides accurate fortune-telling and analysis based on your birth date and place. It offers detailed insights into personality, characteristics, and daily fortunes using traditional Saju principles. Designed for both experts and beginners, it helps uncover the secrets of your birth.

**Highlights:** Accurate Saju analysis, Personality and characteristic insights, Daily fortune-telling, Apple Watch app, Home screen widget, Advanced Manse-ryeok

**Features:** Apple Watch app

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Birthday's Secret 30일 이용권 | $6.99 | per month |
| Birthday's Secret 3달 이용권 | $12.99 | per 3 months |
| Birthday's Secret 1년 이용권 | $39.99 | per year |

**What reviewers like**

- 👍 Easy to understand explanations
- 👍 Accurate predictions
- 👍 Intuitive and well-designed interface
- 👍 Simple and cute design
- 👍 Detailed and professional fortune telling

**What reviewers complain about**

- 🐛 Lagging when viewing January's fortune
- 🐛 Watch app shows previous day's fortune
- 🐛 Cannot use on Apple Watch OS below 9.0
- 🐛 App does not open
- 🐛 App does not open

**Reported bugs**

- January fortune causes lag and grey screen
- Apple Watch displays previous day's fortune
- App crashes or shows blank screen
- App does not open
- App does not open

**Requested features**

- Allow use on Apple Watch OS 8.0
- Add function to turn on/off age calculation (Korean age vs. international age)
- Consider seasons when interpreting Earth element (辰, 戌, 丑, 未)
- Allow transferring data from other apps
- Display only fortune text before ads on mobile app


## Frequently asked questions

### Is 정해 만세력 free?

정해 만세력 is free to download, with no in-app purchases.

### Is 생일의 비밀 free?

생일의 비밀 is free to download, with in-app purchases available.

### Do 정해 만세력 or 생일의 비밀 have ads?

Neither 정해 만세력 nor 생일의 비밀 shows ads.

### Which is updated more often, 정해 만세력 or 생일의 비밀?

정해 만세력 ships an update every 2 days, and 생일의 비밀 weekly. Most recently, 정해 만세력 was updated on November 3, 2026 and 생일의 비밀 on November 3, 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.*