# Plan Your Sail vs APP LOCK

The clearest difference is in-app purchases: Plan Your Sail at none against APP LOCK's 3. Plan Your Sail also leads on ads (none vs shown). APP LOCK's advantage is update cadence (weekly vs every 2 months). On price, device support and iOS requirement there is nothing between them.

Both are free to download. APP LOCK sells 3 in-app purchases, starting at $3.99 per month. Plan Your Sail asks for nothing beyond the download.

Plan Your Sail ships an update every 2 months, APP LOCK weekly. The most recent releases landed on October 16, 2026 and October 20, 2026 respectively.

## The numbers

| Metric | Plan Your Sail | APP LOCK |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (2 ratings)](https://appshunter.io/ios/app/plan-your-sail/id1579756953/reviews)** | — |
| Number of ratings | **2** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 2 months | **Weekly** |
| Monetization | Free | — |
| Size | 16 MB | 65 MB |
| Requires iOS | 13.0 | 13.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 17+ |
| Developer | [Richard Craddock](https://appshunter.io/developer/1579756955) | [凯鹏 左](https://appshunter.io/developer/1706813459) |

## What reviewers say

### Plan Your Sail

[App page](https://appshunter.io/ios/app/plan-your-sail/id1579756953)

Visualize predicted tide and current conditions along sailing routes for specific dates and times. This tool helps optimize sailing trips by avoiding strong currents and low tide hazards. It utilizes NOAA data for the United States.

**Highlights:** Predict tide and current conditions, Visualize conditions along routes, Select optimal dates and times, Utilizes NOAA data, Works in the United States

**Features:** macOS Compatibility

**In-app purchases:** none


### APP LOCK

[App page](https://appshunter.io/ios/app/app-lock-privacy-shield/id6466131353)

**Features:** macOS Compatibility

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 3 days free trial,1 Month Vip | $3.99 | per month |
| 1 Month Vip（1个月） | $4.99 | per month |
| 3 Month Vip（3个月） | $12.99 | per 3 months |


## Frequently asked questions

### Is Plan Your Sail free?

Plan Your Sail is free to download, with no in-app purchases.

### Is APP LOCK free?

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

### Do Plan Your Sail or APP LOCK have ads?

APP LOCK shows ads; Plan Your Sail does not.

### Which is updated more often, Plan Your Sail or APP LOCK?

Plan Your Sail ships an update every 2 months, and APP LOCK weekly. Most recently, Plan Your Sail was updated on October 16, 2026 and APP LOCK on October 20, 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.*