# 潮汐时间表 vs 字造天地

The clearest difference is in-app purchases: 字造天地 at none against 潮汐时间表's 6. 字造天地 also leads on ads (none vs shown) and update cadence (daily vs every 5 weeks). 潮汐时间表's advantage is iOS requirement (13.0 vs 15.0). On price and device support there is nothing between them.

Both are free to download. 潮汐时间表 sells 6 in-app purchases, starting at $2.99 per month. 字造天地 asks for nothing beyond the download.

潮汐时间表 ships an update every 5 weeks, 字造天地 daily. The most recent releases landed on October 16, 2026 and October 15, 2026 respectively.

## The numbers

| Metric | 潮汐时间表 | 字造天地 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.8 (12 ratings)](https://appshunter.io/ios/app/id6467822767/reviews)** | — |
| Number of ratings | **12** | — |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | Every 5 weeks | **Daily** |
| Monetization | Free with in-app purchases | — |
| Size | 49 MB | 521 MB |
| Requires iOS | **13.0** | 15.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Fingertip Jusheng (Taiyuan) Network Technology Co. LTD](https://appshunter.io/developer/1687910061) | [学鹏 张](https://appshunter.io/developer/1529221117) |

## What reviewers say

### 潮汐时间表

[App page](https://appshunter.io/ios/app/id6467822767)

This app provides detailed tidal forecasts, wind and wave predictions, and sunrise/sunset times for coastal activities. It helps users plan fishing trips, beachcombing excursions, and water sports by identifying optimal times and avoiding hazardous conditions.

**Highlights:** 7-day tidal forecasts, Wind and wave predictions, Sunrise and sunset times, Best fishing/beachcombing times, Nearby pier recommendations, Minute-level tide predictions

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

**In-app purchases (6)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 月度会员 | $2.99 | per month |
| 季度会员 | $3.99 | per 3 months |
| 年度会员 | $4.99 | per year |
| 月会员 | $9.99 | per month |
| 季会员 | $14.99 | per 3 months |
| 年会员 | $19.99 | per year |


### 字造天地

[App page](https://appshunter.io/ios/app/id6813822841)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is 潮汐时间表 free?

潮汐时间表 is free to download, with in-app purchases available.

### Is 字造天地 free?

字造天地 is free to download, with no in-app purchases.

### Do 潮汐时间表 or 字造天地 have ads?

潮汐时间表 shows ads; 字造天地 does not.

### Which is updated more often, 潮汐时间表 or 字造天地?

潮汐时间表 ships an update every 5 weeks, and 字造天地 daily. Most recently, 潮汐时间表 was updated on October 16, 2026 and 字造天地 on October 15, 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.*