Comparison

GDR vs YLMSportScience

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

GDR

Enhance your golf game with a new practice routine. This app transforms repetitive golf practice into an engaging experience with detailed analysis of your performance, club usage, and swing comparisons. Set practice goals by comparing your data to higher-ranked players.

Highlights
  • Practice result overview
  • Club-specific analysis
  • Data comparison with top players
  • Swing comparison (yesterday vs. today)
  • Performance tracking
Read full description

실력향상을 위한 새로운 연습습관 GDR 2.0! 치고,치고, 또 치고 수백년간 반복된 지루한 골프 연습을 골프존을 만나 새롭고 즐거운 골프 연습문화로 탈바꿈합니다. GDR 모바일이 만드는 새로운 변화를 지금 만나보세요! - 한 눈에 확인하는 연습 결과! 왼쪽,오른쪽 가리지 않고 볼이 떨어지세요? 연습하면 가운데도 가능해요. - 오늘의 클럽별 상세 분석! 탄착 점들이 서로 모여 있으면 당신은 이미 싱글 플레이어! - 나를 알 수 있는 데이터 비교! 어느 정도 치는 게 잘 치는 걸까? 상위 등급과 비교하여 연습 목표를 세워보세요. - 어제 VS 오늘 스윙 클럽별 스윙, 이제 한 번에 모아 보세요. * 대표전화 : 1577-4333 * 이메일 : webmaster@golfzon.com [서비스 접근권한에 대한 안내] 서비스 제공을 위해 필요한 접근권한을 아래와 같이 안내 드립니다. ■ 선택적 접근 권한 - 위치정보: 매장 찾기를 위한 고객위치 확인 - 저장매체: 나스모 동영상 저장을 위한 외부/내부 저장 매체 활용 - 카메라 : 프로필 설정 시 사진 촬영

About

YLMSportScience

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
Read full description

YLMSportScience infographics have now their own app ! If you are interested to find out what is new in sport sciences to improve your performance or your coaching strategies, this app will be perfect for you. These infographics are summarizing in a friendly and easy-to-digest format the key messages of the latest researches published in the most recognized international scientific journals in sport medicine and sport sciences. Each week, four to five infographics will be added to the library of the app. The infographics will be systematically available in four languages: English, French, Spanish and Portuguese. A direct link will also permit to the reader to get access to the original article summarized by the infographic. To facilitate the experience of the user, the infographics are classified in 8 main categories (New, Training, Nutrition, Competition, Recovery, Injury, Youth and Health). A search engine listing more than 130 items will also help the user to identify the infographics addressing her/his areas of interest. The app is available with a subscription of 3- or 12-months, automatically renewed at the expiration date. The subscription can be canceled at any moment directly by the user on his/her iTunes account. Test it for free during 3 days to form your own opinion! • 3-month subscription at YLMSportScience app • Duration of 3-month giving access to all features of the app • 7.49 euros or equivalent • 12-month subscription at YLMSportScience app • Duration of 12-month giving access to all features of the app • 24.99 euros or equivalent • The first three days of the first subscription to the app is free • Payment will be charged to iTunes Account at confirmation of purchase • Subscription automatically renews unless auto-renew is turned off at least 24-hours before the end of the current period • Account will be charged for renewal within 24-hours prior to the end of the current period, and identify the cost of the renewal • Subscriptions may be managed by the user and auto-renewal may be turned off by going to the user's Account Settings after purchase • Any unused portion of a free trial period, if offered, will be forfeited when the user purchases a subscription to that publication, where applicable • Terms of use: https://ylmsportscience.com/wp-content/uploads/2018/12/CGU-YLM-APPLICATION-ENG.pdf • Privacy policy: https://ylmsportscience.files.wordpress.com/2018/07/privacy-policy-english1.pdf

Screenshots

GDR4 screens
YLMSportScience4 screens

Verdict

The call

The clearest difference is review sentiment: YLMSportScience at 70% against GDR's 19%. YLMSportScience also leads on iOS requirement (12.0 vs 15.6). GDR's advantage is in-app purchases (none vs 5) and update cadence (every 6 weeks vs every 5 months). On price, ads and device support there is nothing between them.

Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. YLMSportScience sells 5 in-app purchases, starting at $1.99 per month. GDR asks for nothing beyond the download.

UpkeepUpdate frequency

GDR ships an update every 6 weeks, YLMSportScience every 5 months. The most recent releases landed on September 26, 2026 and September 25, 2026 respectively.

Scorecard5 real differences · 5 level
GDR versus YLMSportScience: the parameters behind the verdict, then further details
ParameterGDRYLMSportScience
PriceFreeFree
Rating—4.5 (19 ratings) — better
Positive reviews19.2% of reviews70.4% of reviews — better
Number of ratings—19 — better
Update frequencyEvery 6 weeks — betterEvery 5 months
AdsNoNo
In-app purchasesNo — betterYes
MonetizationFree — betterSubscription
DevicesiPhone, iPodiPhone, iPad, iPod — better
Requires iOS15.612.0 — better
Further details — not scored
Size288 MB40 MB
Age rating9+4+
Developer(주)골프존YLMSportScience

Customer experience

GDR

Written reviews52 reviews
Positive19.2%
Neutral32.7%
Negative48.1%

YLMSportScience

All ratings19 ratings
Positive89.5%
Neutral0.0%
Negative10.5%
Written reviews27 reviews
Positive70.4%
Neutral3.7%
Negative25.9%

In-app purchases

None

GDR

No in-app purchases

5 purchases

YLMSportScience

Subscriptions5
  • YLMSportSci 1 month1 Month trial$1.991 Month
  • YLMSportScience 3 months3 Days trial$7.493 Months
  • YLMSportScience 6 months1 Month trial$10.496 Months
Show 2 more
  • YLMSportScience 12 months1 Month trial$20.491 Year
  • YLMSportScience 12 months3 Days trial$24.991 Year

Questions

Is GDR free?
GDR is free to download, with no in-app purchases.
Is YLMSportScience free?
YLMSportScience is free to download, with in-app purchases available.
Do GDR or YLMSportScience have ads?
Neither GDR nor YLMSportScience shows ads.
Which is updated more often, GDR or YLMSportScience?
GDR ships an update every 6 weeks, and YLMSportScience every 5 months. Most recently, GDR was updated on September 26, 2026 and YLMSportScience on September 25, 2026.

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