# Yearbound vs 천기문

The clearest difference is in-app purchases: Yearbound at none against 천기문's 9. Yearbound also leads on device support (3 vs 1). 천기문's advantage is update cadence (every 3 days vs every 10 days). On price, ads and iOS requirement there is nothing between them.

Both are free to download. 천기문 sells 7 one-off in-app purchases. Yearbound asks for nothing beyond the download.

Yearbound ships an update every 10 days, 천기문 every 3 days. Both last shipped on October 31, 2026.

## The numbers

| Metric | Yearbound | 천기문 |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | — | 0.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 10 days | **Every 3 days** |
| Size | 17 MB | 56 MB |
| Requires iOS | **15.0** | 16.4 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Yearbound Studio LLC](https://appshunter.io/developer/1885246208) | [FunnelLabs Inc.](https://appshunter.io/developer/1896386499) |

## What reviewers say

### Yearbound

[App page](https://appshunter.io/ios/app/yearbound/id6760601239)

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

**In-app purchases:** none


### 천기문

[App page](https://appshunter.io/ios/app/id6781574853)

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

**In-app purchases (7)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 베이직 충전 팩 | $2.99 | one-time |
| 아기교감사주 | $12.99 | one-time |
| 이현의 정통사주 | $17.99 | one-time |
| 이현의 정통사주 | $19.99 | one-time |
| 강윤의 연애보감 | $19.99 | one-time |
| 강윤의 결혼보감 | $24.99 | one-time |
| 궁합보감 | $24.99 | one-time |


## Frequently asked questions

### Is Yearbound free?

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

### Is 천기문 free?

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

### Do Yearbound or 천기문 have ads?

Neither Yearbound nor 천기문 shows ads.

### Which is updated more often, Yearbound or 천기문?

Yearbound ships an update every 10 days, and 천기문 every 3 days. Most recently, Yearbound was updated on October 31, 2026 and 천기문 on October 31, 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.*