# Sailor knots vs Coach Brain

The clearest difference is review sentiment: Coach Brain at 100% against Sailor knots's 18%. Coach Brain also leads on price (Free vs $0.99) and rating (5.0 vs 2.3). Sailor knots's advantage is in-app purchases (none vs 7) and iOS requirement (12.0 vs 18.0). On ratings volume, ads and device support there is nothing between them.

Coach Brain is free to download; Sailor knots costs $0.99 up front. Coach Brain sells 7 in-app purchases, starting at $1.99 per month. Sailor knots asks for nothing beyond the download.

Coach Brain holds the better App Store score, 5.0 against 2.3. Both are backed by a comparable volume of ratings — 6 and 4 respectively. Written reviews point the same way: 18% of Sailor knots's written reviews are positive against 100% of Coach Brain's.

Sailor knots ships an update every 20 months, Coach Brain every 8 days. The most recent releases landed on October 21, 2026 and October 17, 2026 respectively.

## The numbers

| Metric | Sailor knots | Coach Brain |
| --- | --- | --- |
| Price | $0.99 | **Free** |
| Rating | [2.3 (6 ratings)](https://appshunter.io/ios/app/sailor-knots/id301366518/reviews) | **[5.0 (4 ratings)](https://appshunter.io/ios/app/coach-brain/id6737238917/reviews)** |
| Number of ratings | **6** | 4 |
| Positive reviews | 18.2% of reviews | **100.0% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 20 months | **Every 8 days** |
| Monetization | Paid | **Free with in-app purchases** |
| Size | 29 MB | 133 MB |
| Requires iOS | **12.0** | 18.0 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Lars Bergelt](https://appshunter.io/developer/294176951) | [Winning Edge Apps, Inc](https://appshunter.io/developer/591624103) |

## What reviewers say

### Sailor knots

[App page](https://appshunter.io/ios/app/sailor-knots/id301366518)

Learn and practice the nine most essential sailor knots with this program. It provides visual guidance for practicing rope techniques, ideal for boaters and enthusiasts.

**Highlights:** Learn nine essential sailor knots, Practice rope techniques, Visual guidance for knots, Suitable for boaters, Offline practice

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

**In-app purchases:** none


### Coach Brain

[App page](https://appshunter.io/ios/app/coach-brain/id6737238917)

This AI-powered sports analysis tool provides expert advice from Olympic athletes and coaches. Analyze athlete technique with 3D motion capture, review expert demonstrations, and upload your own videos for detailed reports on performance and efficiency.

**Highlights:** AI-driven expert advice, 3D motion capture demonstrations, User video analysis, Technique and rules guidance, Performance efficiency reports, Interactive 3D playback

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

**In-app purchases (7)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 5 Video 3D Processing | $1.99 | per month |
| 10 Video 3D Processing | $2.99 | per month |
| 20 Video 3D Processing | $4.99 | per month |
| Deep Insight Subscription | $6.99 | per month |
| Timesaver Workflow | $14.99 | per month |
| Video Processing Credits | $2.99 | one-time |
| Treadmill Running Report | $4.99 | one-time |


## Frequently asked questions

### Is Sailor knots free?

Sailor knots costs $0.99, with no in-app purchases.

### Is Coach Brain free?

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

### Which has better reviews, Sailor knots or Coach Brain?

Coach Brain is rated higher. Sailor knots averages 2.3 out of 5 from 6 ratings, while Coach Brain averages 5.0 from 4 ratings.

### Do Sailor knots or Coach Brain have ads?

Neither Sailor knots nor Coach Brain shows ads.

### Which is updated more often, Sailor knots or Coach Brain?

Sailor knots ships an update every 20 months, and Coach Brain every 8 days. Most recently, Sailor knots was updated on October 21, 2026 and Coach Brain on October 17, 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.*