# PrivateSea vs 九天八字

The clearest difference is price: 九天八字 at Free against PrivateSea's $0.99. PrivateSea's advantage is in-app purchases (none vs 3) and device support (4 vs 2). On update cadence and ads there is nothing between them.

九天八字 is free to download; PrivateSea costs $0.99 up front. 九天八字 sells 3 one-off in-app purchases. PrivateSea asks for nothing beyond the download.

Both ship on a similar rhythm, roughly weekly. The most recent releases landed on November 2, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | PrivateSea | 九天八字 |
| --- | --- | --- |
| Price | $0.99 | **Free** |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/privatesea-explore-and-game/id1236531023/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Weekly | Weekly |
| Monetization | Paid | — |
| Size | 42 MB | 10 MB |
| Requires iOS | **13.0** | 26.2 |
| Devices | **iPhone, iPad, iPod, Mac** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [ORealm Technology Limited](https://appshunter.io/developer/1236531022) | [美薇 殷](https://appshunter.io/developer/1884920025) |

## What reviewers say

### PrivateSea

[App page](https://appshunter.io/ios/app/privatesea-explore-and-game/id1236531023)

This app helps you achieve your goals by generating personalized game levels based on your resolutions. Customize your 'life game' levels, add rewards, and track your progress with detailed statistics and habit tracking.

**Highlights:** AI-generated game levels based on resolutions, Customizable 'life game' levels, Add rewards for completed tasks, Habit tracking and notes, Graphical statistics, iCloud data sync, Today Widget

**Features:** Vision Pro support

**In-app purchases:** none


### 九天八字

[App page](https://appshunter.io/ios/app/id6761317780)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 月度会员 | $3.99 | one-time |
| 年度会员 | $29.99 | one-time |
| 8年会员 | $99.99 | one-time |


## Frequently asked questions

### Is PrivateSea free?

PrivateSea costs $0.99, with no in-app purchases.

### Is 九天八字 free?

九天八字 is free to download, with in-app purchases available.

### Do PrivateSea or 九天八字 have ads?

Neither PrivateSea nor 九天八字 shows ads.

### Which is updated more often, PrivateSea or 九天八字?

PrivateSea ships an update weekly, and 九天八字 weekly. Most recently, PrivateSea was updated on November 2, 2026 and 九天八字 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.*