Fuzzy Yellow Balls vs Shank Tracker
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Fuzzy Yellow Balls
Access a comprehensive library of tennis books and instructional programs directly on your mobile device. This app functions like a digital reader with integrated video playback for a complete learning experience.
- Access tennis books and programs
- Integrated video player
- Mobile library access
- Digital learning platform
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The app lets you access the "Fuzzy Yellow Balls" library of books and programs directly from your phone. Imagine Kindle with a video player. For more information: https://www.fuzzyyellowballs.com Terms of Use: https://www.fuzzyyellowballs.com/terms-of-use/
Shank Tracker
This app helps tennis players improve their game by tracking match results, session data, and tournament performance. It provides visual trend charts and monthly breakdowns to identify weaknesses and track progress over time. Gain a data-driven edge to understand and elevate your performance on the court.
- Track win rates by surface, opponent, and format
- Monitor progress with visual trend charts
- Log every match with set and leg details
- Built-in tournament tracking
- Monthly breakdowns for pattern identification
- Personal bests and streak tracking
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Stop guessing. Start winning. ShankTracker gives tennis players a data-driven edge by tracking every match, session, and tournament result in one clean dashboard. Whether you're a club player or competing seriously, ShankTracker turns your game into actionable insights. What you get: Track win rates by surface, opponent, and match format Monitor progress over time with visual trend charts Log every match with full set and leg breakdowns Compete and compare through built-in tournament tracking Monthly breakdowns to spot patterns and fix weaknesses Personal bests, streaks, and achievement tracking Built for tennis players who want more than a scoreboard — ShankTracker is your coach, analyst, and stats engine in one app. Know your game. Own your game.
Screenshots
Verdict
The clearest difference is in-app purchases: Shank Tracker at none against Fuzzy Yellow Balls's 8. Shank Tracker also leads on rating (5.0 vs 4.7). Fuzzy Yellow Balls's advantage is ratings volume (422 vs 2). On price, update cadence, 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
Both are free to download. Fuzzy Yellow Balls sells 8 in-app purchases, starting at $9.99 per month. Shank Tracker asks for nothing beyond the download.
Shank Tracker holds the better App Store score, 5.0 against 4.7. That said, the two scores are not equally well evidenced: Fuzzy Yellow Balls has 422 ratings behind it against 2, so its average is the more settled of the two.
Fuzzy Yellow Balls ships an update fortnightly, Shank Tracker monthly. The most recent releases landed on October 27, 2026 and October 14, 2026 respectively.
| Parameter | Fuzzy Yellow Balls | Shank Tracker |
|---|---|---|
| Price | Free | Free |
| Rating | 4.7 (422 ratings) | 5.0 (2 ratings) — better |
| Positive reviews | 31.3% of reviews | — |
| Number of ratings | 422 — better | 2 |
| Update frequency | Fortnightly — better | Monthly |
| Ads | No | No |
| In-app purchases | Yes | No — better |
| Monetization | Free with in-app purchases | Free — better |
| Devices | iPhone, iPad, iPod — better | iPhone, iPod |
| Requires iOS | 15.1 | 15.1 |
| Further details — not scored | ||
| Size | 41 MB | 36 MB |
| Age rating | 4+ | 4+ |
| Developer | Fuzzy Yellow Balls, LLC | guillermo chaves |
Customer experience
Fuzzy Yellow Balls
Shank Tracker
Bugs and requests
Fuzzy Yellow Balls
Reported bugs
12 issues- App would not load for days
- Videos glitch when turning phone
- Videos not auto-play
- Consistently freezes videos
- Delay in videos
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- Value on video does not work
- App won't display library
- App crashes
- No bonus video shown up
- Unable to login
- Old login and password didn't work
- New login and password didn't work
Requested features
5 requests- Add auto-play feature for lessons
- Improve video player functionality
- Provide more detailed 'why' behind rule differences
- Better application of % differences for junior/amateur players
- More fundamentals vs. % comparisons
Shank Tracker
Not enough reviews yet to summarise bugs or requests.
In-app purchases
Fuzzy Yellow Balls
- FYB Monthly7 Days trial$9.991 Month
- FYB Monthly$9.991 Month
- FYB Yearly7 Days trial$99.991 Year
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- FYB Yearly1 Year trial$99.991 Year
- FYB Yearly$99.991 Year
- FYB Yearly 20231 Year trial$149.991 Year
- FYB Yearly 2023$199.991 Year
- Lifetime Access$499.99
Shank Tracker
No in-app purchases
Questions
Is Fuzzy Yellow Balls free?
Is Shank Tracker free?
Which has better reviews, Fuzzy Yellow Balls or Shank Tracker?
Do Fuzzy Yellow Balls or Shank Tracker have ads?
Which is updated more often, Fuzzy Yellow Balls or Shank Tracker?
Other comparisons
