Comparison
ES Eagle Sim vs iO
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A side-by-side look at how the Ernest Sports ES Eagle Sim and Trackman iO compare on specs, accuracy, room requirements, and price. No hype — just the parts of the decision a buyer actually weighs.
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More comparisons with the ES Eagle Sim and iO
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Prices confirmed Nov 10, 2026 · we check every retailer daily
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Prices confirmed Nov 10, 2026 · we check every retailer daily
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Full specificationsEvery spec for both, line by line
Specifications
The numbers, lined up.
Hardware
| Spec | ES Eagle Sim | iO |
|---|---|---|
| Tracking Method | Photometric overhead (one high-speed camera, 700 fps) | Hybrid (radar + infrared + high-speed imaging, ceiling-mount) |
| Mounting | Ceiling, overhead; installed by the customer | — |
| Indoor/Outdoor | Indoor only | Indoor only |
| Warranty | 1 year | — |
| Marked Ball Required | — | No |
| Handedness | — | Both, with nothing to move; Trackman sells the iO DUO for bays under 14 ft wide that need both |
- Tracking MethodES Eagle SimPhotometric overhead (one high-speed camera, 700 fps)iOHybrid (radar + infrared + high-speed imaging, ceiling-mount)
- MountingES Eagle SimCeiling, overhead; installed by the customeriO—
- Indoor/OutdoorES Eagle SimIndoor onlyiOIndoor only
- WarrantyES Eagle Sim1 yeariO—
- Marked Ball RequiredES Eagle Sim—iONo
- HandednessES Eagle Sim—iOBoth, with nothing to move; Trackman sells the iO DUO for bays under 14 ft wide that need both
Data
| Spec | ES Eagle Sim | iO |
|---|---|---|
| Markings | None — no marked balls or club stickers (per Indoor Golf Outlet) | — |
| Ball Data | Speed, launch angle and direction, spin rate, spin axis, carry, total, apex, hang time, shot direction, side total | Full Trackman parameter set, measured spin |
| Club Data | Club speed, angle of attack, club path, face angle, face to path, smash factor, shaft lean | Club speed only on the Home tier (1 of 9 club parameters); all 9 need Home Complete |
- MarkingsES Eagle SimNone — no marked balls or club stickers (per Indoor Golf Outlet)iO—
- Ball DataES Eagle SimSpeed, launch angle and direction, spin rate, spin axis, carry, total, apex, hang time, shot direction, side totaliOFull Trackman parameter set, measured spin
- Club DataES Eagle SimClub speed, angle of attack, club path, face angle, face to path, smash factor, shaft leaniOClub speed only on the Home tier (1 of 9 club parameters); all 9 need Home Complete
Software
| Spec | ES Eagle Sim | iO |
|---|---|---|
| Software | ES Golf practice app (free, no course play); runs E6 Connect and TGC 2019, sold separately — E6 Connect 5 Course Pack $250 once, Basic $300/yr, Expanded $600/yr | — |
| Subscription | — | Year 1 free; ~$700/yr after; Home Complete tier is +$10,000 up-front and $1,100/yr |
| Native Software | — | Trackman Performance Studio (TPS) |
- SoftwareES Eagle SimES Golf practice app (free, no course play); runs E6 Connect and TGC 2019, sold separately — E6 Connect 5 Course Pack $250 once, Basic $300/yr, Expanded $600/yriO—
- SubscriptionES Eagle Sim—iOYear 1 free; ~$700/yr after; Home Complete tier is +$10,000 up-front and $1,100/yr
- Native SoftwareES Eagle Sim—iOTrackman Performance Studio (TPS)
Requirements
| Spec | ES Eagle Sim | iO |
|---|---|---|
| Min Ceiling | About 9.5 ft — Ernest mounts the top of the unit roughly 9.5 ft above the hitting surface (Indoor Golf Outlet lists 9 ft) | — |
| Ceiling Height | — | 8'10"–10'6" from turf to ceiling, split across Trackman's Low, Mid and High versions (order the one that fits the room); Trackman's setup guide puts the minimum room height at 9'4". Above 10 ft, plan on the VESA drop pole: Trackman's mounting article calls for it above 10 ft, its installation manual above 10'6" |
- Min CeilingES Eagle SimAbout 9.5 ft — Ernest mounts the top of the unit roughly 9.5 ft above the hitting surface (Indoor Golf Outlet lists 9 ft)iO—
- Ceiling HeightES Eagle Sim—iO8'10"–10'6" from turf to ceiling, split across Trackman's Low, Mid and High versions (order the one that fits the room); Trackman's setup guide puts the minimum room height at 9'4". Above 10 ft, plan on the VESA drop pole: Trackman's mounting article calls for it above 10 ft, its installation manual above 10'6"
Room planner
See each one in your sim room.
The planner draws each unit to scale with your room and your swing: where it sits, and whether your swing clears the ceiling, walls and screen. Put in your room once, then switch units in the planner to compare.
Persona fitWho each one is better for
Who each one is better for
Honest persona fit, side by side.
Better for ES Eagle Sim
- Family Setup
Overhead mount means nothing on the floor to reposition between players. Course play is the add-on to budget: E6 Connect's five-course pack is a one-time $250, while the larger library is an annual subscription.
Both fit
- Performance Seeker
- Showroom
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