# TideMeasure vs Tidey

The clearest difference is price: Tidey at Free against TideMeasure's $19.99. Tidey also leads on update cadence (every 2 weeks vs every 2 months) and iOS requirement (15.1 vs 17.0). TideMeasure's advantage is in-app purchases (none vs 3) and chart position (#136 vs unranked). On ads and device support there is nothing between them.

Tidey is free to download; TideMeasure costs $19.99 up front. Tidey sells 3 in-app purchases, starting at $24.99 per year. TideMeasure asks for nothing beyond the download.

TideMeasure ships an update every 2 months, Tidey every 2 weeks. The most recent releases landed on October 30, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | TideMeasure | Tidey |
| --- | --- | --- |
| Price | $19.99 | **Free** |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/tidemeasure-sea-current/id6448216978/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 2 weeks** |
| Monetization | Paid | — |
| Best chart rank | **#136** | — |
| Size | 14 MB | 32 MB |
| Requires iOS | 17.0 | **15.1** |
| Devices | iPhone, iPad | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Master Sailing jdoo](https://appshunter.io/developer/1680451361) | [Robin Stein](https://appshunter.io/developer/6793937711) |

## What reviewers say

### TideMeasure

[App page](https://appshunter.io/ios/app/tidemeasure-sea-current/id6448216978)

**Currently charting:** #136 Top Paid · Sports (US App Store)

Measure sea current speed and direction using your iPhone's GPS. Ideal for sailors, coaches, and race teams to map readings, review history, and share data for tactical advantage. Works offline.

**Highlights:** Measure current speed and direction with GPS, View results in multiple units (m/min, m/s, cm/s, knots), Map measurements across race areas, Review saved measurements and history, Create or join teams to share readings, Export measurements as CSV, Offline measurement capability

**Features:** Vision Pro support

**In-app purchases:** none


### Tidey

[App page](https://appshunter.io/ios/app/tidey/id6793937709)

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Tidey Cruise Annual | $24.99 | per year |
| Full Solent Access | $24.99 | per year |
| Tidey Race Annual | $29.99 | per year |


## Frequently asked questions

### Is TideMeasure free?

TideMeasure costs $19.99, with no in-app purchases.

### Is Tidey free?

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

### Do TideMeasure or Tidey have ads?

Neither TideMeasure nor Tidey shows ads.

### Which is updated more often, TideMeasure or Tidey?

TideMeasure ships an update every 2 months, and Tidey every 2 weeks. Most recently, TideMeasure was updated on October 30, 2026 and Tidey on October 24, 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.*