Kelab PJ vs ShadowSwing
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Kelab PJ
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With the Kelab PJ app, members can view newsletters and activities from the club. Moreover, members can book club facilities online right from the app without needing to contact the reception. Members can also view the statements that are charged to the account. You do not have to call the reception anymore just do everything online!
ShadowSwing
This app transforms your iPhone into a tennis, padel, and pickleball swing trainer. It provides real-time audio feedback on your swing speed and offers guided drills, shot analysis, and progress tracking.
- Real-time audio swing feedback
- Guided drills and workouts
- 3D shot analysis replays
- Sport-specific court visuals
- Daily swing goals and reminders
- Practice statistics and progress graphs
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ShadowSwing turns your iPhone into a swing trainer for tennis, padel and pickleball. Grip it like a racket or paddle handle, swing, and hear the ball once the racket head is really moving: the same feedback as a mechanical training stick. A loose wrist and a whip get you there without forcing it; a slow, pushed swing stays silent. Pick your sport in Settings: the replay, the ball-speed estimate and the swing sensitivity all follow it. FREE HITTING Rally mode: no whip, no sound. Groove forehands, backhands, serves, volleys and dinks in your living room, the hotel room or the garage. BALL SPEED The ball speed is an estimate from your racket-head speed and your sport, like a clean hit on a drop feed. When your phone's motion sensor maxes out on a very fast swing, the app shows "≥" rather than a number that is too low. WORKOUTS Guided drills with a coach voice. The coach speaks English, French or Spanish. It calls the stroke and the count — "Forehands. Twenty. Go." — each swing counts a rep, and the rests are timed. Warm-ups, groundstroke ladders, serve days and cardio minutes for tennis, padel and pickleball. The demo includes one guided workout. SHOT ANALYSIS Play one stroke and watch it replayed in 3D — a swept ribbon colored by racket-head speed, ghost frames along the path, the string face, the moment of peak speed, and your estimated ball speed at contact. Orbit it, slow it down, and see exactly where contact belongs. Every replay is kept on your iPhone: open it again later, rename it or star your favorites. The court matches your sport: full tennis lines, a glass-walled padel court, or a pickleball kitchen line. DAILY GOAL Pick 10, 20, 30 or 40 swings a day, or any number with Pro, and a ring on Home fills as you go. Free Hitting and workout swings both count, and it starts empty every morning. Turn on reminders and get one nudge at the time you choose, only on days your ring is still open. Never more than one a day. STATS Your practice adds up: total swings, sessions, workouts, days practiced and your longest streak, all kept on your iPhone. With Pro, graphs show your swings per day, week or month, your ball-speed trend (or racket speed, your pick) for each sport, a practice calendar, your stroke mix and time practiced, and you can scroll back through all of it. SHADOWSWING PRO • Unlimited swings • Unlimited workouts, and build your own • Estimated ball speed and racket-head speed on every swing (km/h or mph), and your all-time record • Progress graphs: swings, speed trend, practice calendar, stroke mix and time practiced • Any daily goal you like • Unlimited Shot Analysis replays • Dynamic hit: real tennis hits, soft to hard, matched to each swing • Every recorded sound, shuffle, and your own sounds • Fine-tune your swing sensitivity ShadowSwing is free to download and comes with a one-time demo on each device: 10 Free Hitting swings, 1 guided workout and 5 Shot Analysis replays. Every feature is open while you try, from ball speed and graphs to the full sound pack, Dynamic hit and the workout builder. The demo does not reset; when a counter runs out, that feature needs Pro. Pro is a subscription, yearly with a 7-day free trial or monthly; the app shows the price for your region. Subscriptions renew automatically unless canceled at least 24 hours before the period ends; manage them in your Apple ID settings. Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Privacy Policy: https://shadowswing.app/privacy
Screenshots
Verdict
The clearest difference is in-app purchases: Kelab PJ at none against ShadowSwing's 4. Kelab PJ also leads on iOS requirement (15.1 vs 17.0). ShadowSwing's advantage is update cadence (daily vs every 10 days). 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
Both are free to download. ShadowSwing sells 4 in-app purchases, starting at $4.99 per month. Kelab PJ asks for nothing beyond the download.
Kelab PJ ships an update every 10 days, ShadowSwing daily. The most recent releases landed on October 25, 2026 and October 31, 2026 respectively.
| Parameter | Kelab PJ | ShadowSwing |
|---|---|---|
| Price | Free | Free |
| Rating | — | 5.0 (2 ratings) — better |
| Positive reviews | — | 100.0% of reviews |
| Number of ratings | — | 2 — better |
| Update frequency | Every 10 days | Daily — better |
| Ads | No | No |
| In-app purchases | No — better | Yes |
| Monetization | — | Freemium |
| Devices | iPhone, iPod — better | iPhone |
| Requires iOS | 15.1 — better | 17.0 |
| Further details — not scored | ||
| Size | 27 MB | 9 MB |
| Age rating | 17+ | 4+ |
| Developer | Albatrozz Sdn Bhd | Hackem Software |
In-app purchases
Kelab PJ
No in-app purchases
ShadowSwing
- Pro Monthly$4.991 Month
- Pro Annual7 Days trial$39.991 Year
- Pro Annual (first-year offer)1 Year trial$39.991 Year
- Pro Lifetime$99.99









