321.fit vs PlayerDEX
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
321.fit
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Train Smarter with 321fit! Find top sports coaches, book real-world training, and sync your schedule—all in one app. For Athletes & Coaches: - Find and book expert trainers for in-person sessions - Coaches can list their sessions and get discovered - Secure payments via Stripe or pay cash (if the coach allows) - Syncs with your calendar to avoid scheduling conflicts - Train in real gyms—no virtual coaching How It Works: 1. Coaches create sessions, and athletes book available slots 2. Athletes pay securely in-app or arrange offline payment 3. 321fit syncs with your calendar to prevent double-booking 4. Meet in person and start training
PlayerDEX
Visualize and access key statistics for ATP and WTA tour tennis players. Explore serve, return, physical, and tactical metrics to gain insights into player performance and understand strengths and weaknesses.
- Visualize tennis player statistics
- Access ATP and WTA tour data
- Analyze serve and return metrics
- Explore physical and tactical insights
- Understand player strengths and weaknesses
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The app offers users the capability to visualize and access key statistics for tennis players participating in the ATP and WTA tours. Users can explore various statistics, including serve, return, serve +1, physical, and tactical-based metrics. This comprehensive tool provides valuable insights into players' performance across different aspects of the game, enhancing the user's understanding of their strengths and weaknesses.
Screenshots
Verdict
The clearest difference is ads: PlayerDEX at none against 321.fit's shown. PlayerDEX also leads on iOS requirement (13.4 vs 17.0). 321.fit's advantage is update cadence (every 4 days vs every 4 months). On price, in-app purchases 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. Neither carries in-app purchases, so what you see is what you pay.
321.fit ships an update every 4 days, PlayerDEX every 4 months. The most recent releases landed on October 7, 2026 and September 14, 2026 respectively.
| Parameter | 321.fit | PlayerDEX |
|---|---|---|
| Price | Free | Free |
| Rating | — | 1.0 (1 ratings) — better |
| Number of ratings | — | 1 — better |
| Update frequency | Every 4 days — better | Every 4 months |
| Ads | Yes | No — better |
| In-app purchases | No | No |
| Monetization | — | Free |
| Devices | iPhone, iPad | iPhone, iPod |
| Requires iOS | 17.0 | 13.4 — better |
| Further details — not scored | ||
| Size | 99 MB | 27 MB |
| Age rating | 4+ | 17+ |
| Developer | Summer Advisors Ltd | Data Driven Sports Analytics Pty Ltd |
In-app purchases
321.fit
No in-app purchases
PlayerDEX
No in-app purchases
