# Drying Day vs 潮汐表专业版

The clearest difference is ads: 潮汐表专业版 at none against Drying Day's shown. On price, update cadence, in-app purchases and device support there is nothing between them.

Both are free to download. Drying Day sells 1 one-off in-app purchase and 潮汐表专业版 sells 1 in-app purchase, starting at $4.99 per month. Whichever you choose, the download price is not the number that matters.

Drying Day ships an update fortnightly, 潮汐表专业版 every 9 days. The most recent releases landed on October 12, 2026 and October 16, 2026 respectively.

## The numbers

| Metric | Drying Day | 潮汐表专业版 |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | Yes | **No** |
| Update frequency | Fortnightly | **Every 9 days** |
| Size | 26 MB | 55 MB |
| Requires iOS | **15.0** | 16.4 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [I OSTAPENKO & Y OSTAPENKO](https://appshunter.io/developer/6799116433) | [博 胡](https://appshunter.io/developer/6780505914) |

## What reviewers say

### Drying Day

[App page](https://appshunter.io/ios/app/drying-day/id6802211157)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Remove Ads | $1.99 | one-time |


### 潮汐表专业版

[App page](https://appshunter.io/ios/app/id6803528662)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 月度订阅 | $4.99 | per month |


## Frequently asked questions

### Is Drying Day free?

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

### Is 潮汐表专业版 free?

潮汐表专业版 is free to download, with in-app purchases available.

### Do Drying Day or 潮汐表专业版 have ads?

Drying Day shows ads; 潮汐表专业版 does not.

### Which is updated more often, Drying Day or 潮汐表专业版?

Drying Day ships an update fortnightly, and 潮汐表专业版 every 9 days. Most recently, Drying Day was updated on October 12, 2026 and 潮汐表专业版 on October 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.*