# YLMSportScience vs budoo.one

The clearest difference is in-app purchases: budoo.one at none against YLMSportScience's 5. budoo.one also leads on update cadence (every 2 months vs every 5 months). YLMSportScience's advantage is iOS requirement (12.0 vs 15.0). On price, review sentiment, ads 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. budoo.one asks for nothing beyond the download.

YLMSportScience ships an update every 5 months, budoo.one every 2 months. The most recent releases landed on September 21, 2026 and September 23, 2026 respectively.

## The numbers

| Metric | YLMSportScience | budoo.one |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.5 (19 ratings)](https://appshunter.io/ios/app/ylmsportscience/id1409592220/reviews)** | — |
| Number of ratings | **19** | — |
| Positive reviews | **70.4% of reviews** | 70.0% of reviews |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 5 months | **Every 2 months** |
| Monetization | Subscription | **Free** |
| Size | 40 MB | 47 MB |
| Requires iOS | **12.0** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [YLMSportScience](https://appshunter.io/developer/1409592219) | [HERZBERG UG](https://appshunter.io/developer/1549010167) |

## 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 |


### budoo.one

[App page](https://appshunter.io/ios/app/budooone/id1549009895)

Access valuable martial arts school content, including videos, texts, and images for preparation. Easily sign up for training sessions and events, and stay informed with a built-in mail center and push notifications. Track your progress and view school information.

**Highlights:** Access school content (videos, texts, images), Prepare for exams and competitions, Sign up for training sessions and events, Built-in mail center with push notifications, Track personal milestones and career highlights, View school information and contact details, Manage contract and personal data

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

**In-app purchases:** none


## Frequently asked questions

### Is YLMSportScience free?

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

### Is budoo.one free?

budoo.one is free to download, with no in-app purchases.

### Do YLMSportScience or budoo.one have ads?

Neither YLMSportScience nor budoo.one shows ads.

### Which is updated more often, YLMSportScience or budoo.one?

YLMSportScience ships an update every 5 months, and budoo.one every 2 months. Most recently, YLMSportScience was updated on September 21, 2026 and budoo.one on September 23, 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.*