# YLMSportScience vs Slipstream Draft

The clearest difference is monetization model: Slipstream Draft at free with in-app purchases against YLMSportScience's subscription. Slipstream Draft also leads on rating (5.0 vs 4.5) and review sentiment (100% vs 70%). YLMSportScience's advantage is ratings volume (19 vs 2) and iOS requirement (12.0 vs 26.1). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. YLMSportScience sells 5 in-app purchases, starting at $1.99 per month and Slipstream Draft sells 3 in-app purchases, starting at $4.99 per month. Whichever you choose, the download price is not the number that matters.

Slipstream Draft holds the better App Store score, 5.0 against 4.5. That said, the two scores are not equally well evidenced: YLMSportScience has 19 ratings behind it against 2, so its average is the more settled of the two. Written reviews point the same way: 70% of YLMSportScience's written reviews are positive against 100% of Slipstream Draft's.

YLMSportScience ships an update every 5 months, Slipstream Draft every 5 weeks. The most recent releases landed on October 12, 2026 and September 29, 2026 respectively.

## The numbers

| Metric | YLMSportScience | Slipstream Draft |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.5 (19 ratings)](https://appshunter.io/ios/app/ylmsportscience/id1409592220/reviews) | **[5.0 (2 ratings)](https://appshunter.io/ios/app/slipstream-draft/id6758341246/reviews)** |
| Number of ratings | **19** | 2 |
| Positive reviews | 70.4% of reviews | **100.0% of reviews** |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 5 months | **Every 5 weeks** |
| Monetization | Subscription | **Free with in-app purchases** |
| Size | 40 MB | 37 MB |
| Requires iOS | **12.0** | 26.1 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 12+ |
| Developer | [YLMSportScience](https://appshunter.io/developer/1409592219) | [RidgeTower LLC](https://appshunter.io/developer/1702911709) |

## What reviewers say

### 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 |


### Slipstream Draft

[App page](https://appshunter.io/ios/app/slipstream-draft/id6758341246)

Create and join fantasy racing leagues with friends. Participate in live drafts, build rosters from a limited pool of drivers and constructors, and compete all season using real race results. Features include live draft rooms, full season scoring, free agent trades, and league chat.

**Highlights:** Live snake drafts, Full season scoring, Free agent trades, Commissioner controls, League chat, Live standings, Public & private leagues

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Commissioner Subscription | $4.99 | per month |
| Commissioner 2 League Pack | $7.99 | per month |
| Commissioner 3 League Pack | $9.99 | per month |


## Frequently asked questions

### Is YLMSportScience free?

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

### Is Slipstream Draft free?

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

### Which has better reviews, YLMSportScience or Slipstream Draft?

Slipstream Draft is rated higher. YLMSportScience averages 4.5 out of 5 from 19 ratings, while Slipstream Draft averages 5.0 from 2 ratings.

### Do YLMSportScience or Slipstream Draft have ads?

Neither YLMSportScience nor Slipstream Draft shows ads.

### Which is updated more often, YLMSportScience or Slipstream Draft?

YLMSportScience ships an update every 5 months, and Slipstream Draft every 5 weeks. Most recently, YLMSportScience was updated on October 12, 2026 and Slipstream Draft on September 29, 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.*