# arcSail vs TideMeasure

The clearest difference is price: arcSail at Free against TideMeasure's $19.99. arcSail also leads on ratings volume (3 vs 1) and iOS requirement (13.0 vs 17.0). TideMeasure's advantage is rating (5.0 vs 3.7) and review sentiment (100% vs 60%). On update cadence, ads and device support there is nothing between them.

arcSail is free to download; TideMeasure costs $19.99 up front. arcSail sells 1 one-off in-app purchase. TideMeasure asks for nothing beyond the download.

TideMeasure holds the better App Store score, 5.0 against 3.7. Both are backed by a comparable volume of ratings — 3 and 1 respectively. Written reviews point the same way: 60% of arcSail's written reviews are positive against 100% of TideMeasure's.

Both ship on a similar rhythm, roughly every 2 months. The most recent releases landed on November 1, 2026 and November 3, 2026 respectively.

## The numbers

| Metric | arcSail | TideMeasure |
| --- | --- | --- |
| Price | **Free** | $19.99 |
| Rating | [3.7 (3 ratings)](https://appshunter.io/ios/app/arcsail/id921829620/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/tidemeasure-sea-current/id6448216978/reviews)** |
| Number of ratings | **3** | 1 |
| Positive reviews | 60.0% of reviews | **100.0% of reviews** |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 2 months | Every 2 months |
| Monetization | **Free with in-app purchases** | Paid |
| Size | 7 MB | 14 MB |
| Requires iOS | **13.0** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Smartphone Design Ltd](https://appshunter.io/developer/298734749) | [Master Sailing jdoo](https://appshunter.io/developer/1680451361) |

## What reviewers say

### arcSail

[App page](https://appshunter.io/ios/app/arcsail/id921829620)

This app provides advanced real-time race scoring for sailing clubs. It supports single or multi-day regattas and season-long series with a user-friendly touch interface. Features include various scoring systems, handicap calculations, and instant results emailing.

**Highlights:** Real-time race scoring, Supports single/multi-day regattas, Season-long series scoring, Multiple scoring systems (Low Point, High Point, etc.), Handicap and penalty calculations, Email/AirPrint results (in-app purchase), Data backup and transfer

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Enable Email Output | $9.99 | one-time |


### TideMeasure

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

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


## Frequently asked questions

### Is arcSail free?

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

### Is TideMeasure free?

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

### Which has better reviews, arcSail or TideMeasure?

TideMeasure is rated higher. arcSail averages 3.7 out of 5 from 3 ratings, while TideMeasure averages 5.0 from 1 ratings.

### Do arcSail or TideMeasure have ads?

Neither arcSail nor TideMeasure shows ads.

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

arcSail ships an update every 2 months, and TideMeasure every 2 months. Most recently, arcSail was updated on November 1, 2026 and TideMeasure on November 3, 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.*