LagKing vs EYED
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
LagKing
This app enhances golf putting practice by using a physical gate to measure ball speed and project putt distance. It offers multiple game modes and multiplayer features to improve speed control and accuracy on the green.
- Measures ball speed for accurate feedback
- Projects full putt rollout
- Nine practice modes
- Multiplayer challenges and leaderboards
- Wireless gate pairing
- Supports putts up to 60 feet
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Putting practice made fun. LagKing is the companion app for the LagKing putting gate. Put the gate down on carpet, a putting mat, or a practice green, roll a putt through it, and the app tells you how far that ball would have finished. STOP THREE-PUTTING Three-putts come from speed, not line. The trouble is that most practice spaces are too short to teach you speed, because the ball stops before it tells you anything. LagKing reads the putt you actually hit and projects the full rollout, so you can work on 50 foot lag putts without a 50 foot green. NINE WAYS TO PRACTICE Target. Pick a distance, or let the app pick one, and dial it in. Distance Challenge. Work a spread of distances and watch your speed control tighten. Simulated 9. Play nine holes of lag putting with a real scorecard. Putting Ladder. Climb through distances one rung at a time. Start Line. Find out whether you are pushing or pulling the ball. Poker. Earn cards by putting close and build the best hand. Line Four. Connect four by landing putts exactly where you want them. Turf War. Claim ground with every putt. King of the Hill. Take the crown and try to keep it. PLAY WITH OTHER PEOPLE Hand the phone around for a match on a single gate, or send a challenge to a friend and watch their putts play back against yours. Leaderboards, personal bests, and every session you have ever putted, kept. PRECISE WHERE IT MATTERS The gate measures ball speed to roughly 0.1 percent. Speed is the number that decides whether a lag putt finishes tight or leaves you a four footer, so it is the number worth getting right. READY IN SECONDS The gate pairs with your phone or tablet wirelessly. Put it down, putt through it, done. Modes run out to 60 feet. NO SUBSCRIPTION The full phone and tablet app comes with your gate. The LagKing putting gate is required, and is available for purchase at lagking.com.
EYED
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EYED: Frame-by-Frame Motion Analysis Video Player EYED is a frame-accurate video player built for athletes, coaches, dancers, and anyone who needs to see exactly what happened — one frame at a time. Load any video from your library or record on the spot, then move through it with total control. Catch the split second your form breaks, the exact moment of impact, or the single frame that makes the perfect shot. KEY FEATURES 1. Frame-by-Frame Control • Step forward and backward exactly one frame at a time. • Scrub to 0.1-second precision with the intuitive Frame Dial. • Adjustable FPS (23.976 to 60) for highly accurate timecodes. • Variable playback speeds ranging from 0.25x to 2x. 2. Dual Compare Mode • Play two videos simultaneously in a top-and-bottom split-screen. • Sync them together or scrub through each independently. • Perfect for "before vs. after" analysis or comparing your form to a reference video. 3. Ghost Overlay Mode • Stack two clips directly on top of each other. • Adjust transparency to visually trace the difference in motion. • Spot the smallest micro-changes and variations between two takes. 4. Professional Drawing Tools • Draw lines, circles, and freehand notes directly onto any frame. • Mark angles, paths, and body positions like a pro coach. 5. Smart Save & Share • Extract any high-quality frame as a PNG straight to your Photos. • Export your project as an .eyed file to back up or share, complete with your video and annotations. Built for Professional Analysis • 100% Private: No accounts, no sign-ups. Your videos are processed entirely on-device. • Global Support: EYED supports English, Korean, Japanese, Simplified Chinese, Traditional Chinese, and Spanish.
Screenshots
Verdict
The clearest difference is ads: LagKing at none against EYED's shown. LagKing also leads on device support (4 vs 2). EYED's advantage is iOS requirement (13.0 vs 15.1). On price and in-app purchases 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.
| Parameter | LagKing | EYED |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (5 ratings) — better | — |
| Positive reviews | 100.0% of reviews | — |
| Number of ratings | 5 — better | — |
| Update frequency | Every 4 days | — |
| Ads | No — better | Yes |
| In-app purchases | No | No |
| Monetization | Free | — |
| Devices | iPhone, iPad, iPod, Apple TV — better | iPhone, iPod |
| Requires iOS | 15.1 | 13.0 — better |
| Further details — not scored | ||
| Size | 98 MB | 31 MB |
| Age rating | 12+ | 4+ |
| Developer | LagKing LLC | KUN PARK |
In-app purchases
LagKing
No in-app purchases
EYED
No in-app purchases









