# WindUp vs TideSync

The clearest difference is in-app purchases: TideSync at none against WindUp's 2. WindUp's advantage is update cadence (every 2 weeks vs every 3 weeks) and iOS requirement (15.0 vs 26.2). On price, ads and device support there is nothing between them.

Both are free to download. WindUp sells 2 in-app purchases, starting at $2.99 per month. TideSync asks for nothing beyond the download.

WindUp ships an update every 2 weeks, TideSync every 3 weeks. The most recent releases landed on November 5, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | WindUp | TideSync |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/tidesync/id6760349625/reviews)** |
| Number of ratings | — | **1** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 2 weeks** | Every 3 weeks |
| Monetization | — | Free |
| Size | 75 MB | 17 MB |
| Requires iOS | **15.0** | 26.2 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Virtual Verse Studio LLC](https://appshunter.io/developer/1766469723) | [Xinyu Hong](https://appshunter.io/developer/1883449097) |

## What reviewers say

### WindUp

[App page](https://appshunter.io/ios/app/windup-live-wind-alarm/id6745613099)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly Premium Subscription | $2.99 | per month |
| Premium Annual Subscription | $29.99 | per year |


### TideSync

[App page](https://appshunter.io/ios/app/tidesync/id6760349625)

This utility tool provides precise marine data for ocean enthusiasts, including tides, weather, and solunar information. It offers offline global data and a native, interactive user experience.

**Highlights:** Global offline tide data, Pro marine weather charts, Interactive forecast charts, Solunar timings and moon phases, Native iOS experience, Haptic feedback

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

**In-app purchases:** none


## Frequently asked questions

### Is WindUp free?

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

### Is TideSync free?

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

### Do WindUp or TideSync have ads?

Neither WindUp nor TideSync shows ads.

### Which is updated more often, WindUp or TideSync?

WindUp ships an update every 2 weeks, and TideSync every 3 weeks. Most recently, WindUp was updated on November 5, 2026 and TideSync 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.*