DUPR vs Master Shin's World Class TKD.
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
DUPR
Track your pickleball matches and improve your official rating. Find nearby players and teammates based on their DUPR scores and match history. Subscriptions unlock exclusive features and an ad-free experience.
- Log pickleball matches
- Official DUPR rating algorithm
- Opponent score verification
- View match history
- Find nearby players
- Browse user profiles and ratings
Read full descriptionHide full description
DUPR uses an innovative rating algorithm engineered to grow the sport of pickleball with a commitment to accuracy, transparency, and adaptability. LOG MATCHES Start increasing your rating today by registering and recording all your matches! Log your recent matches. Once you’re done, your opponent will be prompted to verify scores via email. GET YOUR DUPR Your rating will be updated immediately once your scores are verified by your opponent You may review your match history at any time. FIND PLAYERS NEARBY Browse DUPR user profiles - see the match history, ratings, and approximate location of potential opponents and teammates. Subscription Information DUPR offers in-app subscriptions that provide exclusive features, an ad-free experience, and other benefits. EULA https://www.apple.com/legal/internet-services/itunes/dev/stdeula/
Master Shin's World Class TKD.
Access martial arts curriculum videos, class schedules, and event information from a leading Taekwondo provider. Connect with instructors and share your training progress with friends and family.
- Curriculum Videos
- Event Updates
- Class Schedules
- Contact Information
- Training Sharing
Read full descriptionHide full description
Welcome to the official app of Master Shin's World Class Taekwondo, Chandler & Gilbert's leading provider of martial arts! Download and use our app to: - Watch and practice with our Curriculum Videos - Get up to date with our upcoming Events and Announcements - Access our Online and In-Person Class Schedules - Contact our Team - Share the benefits of your training with your friends and family!
Screenshots
Verdict
The clearest difference is rating: Master Shin's World Class TKD. at 5.0 against DUPR's 4.1. Master Shin's World Class TKD. also leads on in-app purchases (none vs 19) and ads (none vs shown). DUPR's advantage is update cadence (weekly vs every 19 months) and ratings volume (3.9K vs 8). On price 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
Both are free to download. DUPR sells 17 in-app purchases, starting at $1.99 per month. Master Shin's World Class TKD. asks for nothing beyond the download.
Master Shin's World Class TKD. holds the better App Store score, 5.0 against 4.1. That said, the two scores are not equally well evidenced: DUPR has 3.9K ratings behind it against 8, so its average is the more settled of the two.
DUPR ships an update weekly, Master Shin's World Class TKD. every 19 months. The most recent releases landed on October 19, 2026 and October 6, 2026 respectively.
| Parameter | DUPR | Master Shin's World Class TKD. |
|---|---|---|
| Price | Free | Free |
| Rating | 4.1 (3.9K ratings) | 5.0 (8 ratings) — better |
| Positive reviews | 9.1% of reviews | — |
| Number of ratings | 3.9K — better | 8 |
| Update frequency | Weekly — better | Every 19 months |
| Ads | Yes | No — better |
| In-app purchases | Yes | No — better |
| Monetization | Freemium | Free — better |
| Best chart rank | #46 — better | — |
| Devices | iPhone | iPhone, iPad, iPod — better |
| Requires iOS | 18.6 | 11.0 — better |
| Further details — not scored | ||
| Size | 113 MB | 24 MB |
| Age rating | 12+ | 4+ |
| Developer | DUPR LLC | Dongkwan Shin |
Customer experience
DUPR
Master Shin's World Class TKD.
Bugs and requests
DUPR
Reported bugs
3 issues- Email verification not working
- Inability to edit or delete matches
- Freezing and crashes when navigating app
Requested features
3 requests- Ability to add friends and follow other players
- Improved match validation and score tracking
- More transparency around rating algorithm
Master Shin's World Class TKD.
Not enough reviews yet to summarise bugs or requests.
In-app purchases
DUPR
- DUPR+2 variants$1.991 Month
- DUPR+$2.991 Month
- DUPR+3 Days trial$3.991 Month
Show 12 moreShow fewer
- DUPR+$3.991 Month
- DUPR+7 Days trial$4.991 Month
- DUPR+$4.991 Month
- DUPR+$11.991 Year
- DUPR+$14.991 Year
- DUPR+$19.991 Year
- DUPR+7 Days trial$19.991 Year
- DUPR+$24.991 Year
- DUPR+7 Days trial2 variants$29.991 Year
- DUPR+$29.991 Year
- DUPR+7 Days trial$39.991 Year
- DUPR+7 Days trial$49.991 Year
- DUPR Verified Single Event$7.99
- DUPR Reset March 2026$34.99
Master Shin's World Class TKD.
No in-app purchases
Questions
Is DUPR free?
Is Master Shin's World Class TKD. free?
Which has better reviews, DUPR or Master Shin's World Class TKD.?
Do DUPR or Master Shin's World Class TKD. have ads?
Which is updated more often, DUPR or Master Shin's World Class TKD.?
Other comparisons
