# 사주대전 vs B

The clearest difference is price: B at Free against 사주대전's $7.99. B also leads on in-app purchases (none vs 1) and update cadence (weekly vs every 6 weeks). 사주대전's advantage is iOS requirement (8.1 vs 16.0). On ads and device support there is nothing between them.

B is free to download; 사주대전 costs $7.99 up front. 사주대전 sells 1 one-off in-app purchase. B asks for nothing beyond the download.

사주대전 ships an update every 6 weeks, B weekly. The most recent releases landed on September 26, 2026 and September 16, 2026 respectively.

## The numbers

| Metric | 사주대전 | B |
| --- | --- | --- |
| Price | $7.99 | **Free** |
| Rating | **[4.3 (20 ratings)](https://appshunter.io/ios/app/id342450791/reviews)** | — |
| Number of ratings | **20** | — |
| Positive reviews | 68.1% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 6 weeks | **Weekly** |
| Monetization | Free with in-app purchases | — |
| Size | 31 MB | 35 MB |
| Requires iOS | **8.1** | 16.0 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [SungDong Kim](https://appshunter.io/developer/310991323) | [AmuseMon Games](https://appshunter.io/developer/428822071) |

## What reviewers say

### 사주대전

[App page](https://appshunter.io/ios/app/id342450791)

Access a comprehensive suite of traditional Korean fortune-telling and destiny analysis tools on your smartphone. Explore various readings like Tojeong Bigyeol, compatibility, dream interpretation, and more. Ideal for personal insight or professional astrological study.

**Highlights:** Multiple fortune-telling subjects, Unlimited profile registration, Birthday and birth chart analysis, Five elements display, Daily fortune (Iljin), Email results, Manse-ryeok calendar

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 명리 | $9.99 | one-time |


### B

[App page](https://appshunter.io/ios/app/b-timer/id6743074092)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is 사주대전 free?

사주대전 costs $7.99, and also offers in-app purchases.

### Is B free?

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

### Do 사주대전 or B have ads?

Neither 사주대전 nor B shows ads.

### Which is updated more often, 사주대전 or B?

사주대전 ships an update every 6 weeks, and B weekly. Most recently, 사주대전 was updated on September 26, 2026 and B on September 16, 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.*