# Maneuvering by engine vs YLMSportScience

The clearest difference is price: YLMSportScience at Free against Maneuvering by engine's $4.99. YLMSportScience also leads on review sentiment (70% vs 50%) and update cadence (every 5 months vs every 17 months). Maneuvering by engine's advantage is in-app purchases (none vs 5). On ads and device support there is nothing between them.

YLMSportScience is free to download; Maneuvering by engine costs $4.99 up front. YLMSportScience sells 5 in-app purchases, starting at $1.99 per month. Maneuvering by engine asks for nothing beyond the download.

Maneuvering by engine ships an update every 17 months, YLMSportScience every 5 months. The most recent releases landed on August 25, 2026 and September 30, 2026 respectively.

## The numbers

| Metric | Maneuvering by engine | YLMSportScience |
| --- | --- | --- |
| Price | $4.99 | **Free** |
| Rating | — | **[4.5 (19 ratings)](https://appshunter.io/ios/app/ylmsportscience/id1409592220/reviews)** |
| Number of ratings | — | **19** |
| Positive reviews | 50.0% of reviews | **70.4% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 17 months | **Every 5 months** |
| Monetization | **Paid** | Subscription |
| Size | 51 MB | 40 MB |
| Requires iOS | 14.0 | **12.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Sergio Guaita](https://appshunter.io/developer/634084147) | [YLMSportScience](https://appshunter.io/developer/1409592219) |

## What reviewers say

### Maneuvering by engine

[App page](https://appshunter.io/ios/app/maneuvering-by-engine/id898705403)

Learn essential maritime maneuvers with instructional videos covering various conditions. This app provides visual guidance for safe and effective boat handling.

**Highlights:** Instructional videos, Maritime maneuvers, Various conditions, Visual guidance, Boat handling

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

**In-app purchases:** none


### YLMSportScience

[App page](https://appshunter.io/ios/app/ylmsportscience/id1409592220)

Access the latest sport science research summarized in easy-to-understand infographics. Improve your performance and coaching strategies with weekly updates in multiple languages. Explore categorized content and find original research links.

**Highlights:** Weekly infographics on sport science research, Summaries of latest scientific journal articles, Multilingual content (English, French, Spanish, Portuguese), Direct links to original research articles, Categorized content (Training, Nutrition, Recovery, etc.), Search engine for specific topics

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

**In-app purchases (5)**

| Purchase | Price | Billing |
| --- | --- | --- |
| YLMSportSci 1 month | $1.99 | per month |
| YLMSportScience 3 months | $7.49 | per 3 months |
| YLMSportScience 6 months | $10.49 | per 6 months |
| YLMSportScience 12 months | $20.49 | per year |
| YLMSportScience 12 months | $24.99 | per year |


## Frequently asked questions

### Is Maneuvering by engine free?

Maneuvering by engine costs $4.99, with no in-app purchases.

### Is YLMSportScience free?

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

### Do Maneuvering by engine or YLMSportScience have ads?

Neither Maneuvering by engine nor YLMSportScience shows ads.

### Which is updated more often, Maneuvering by engine or YLMSportScience?

Maneuvering by engine ships an update every 17 months, and YLMSportScience every 5 months. Most recently, Maneuvering by engine was updated on August 25, 2026 and YLMSportScience on September 30, 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.*