FeatureTeleCaddieSkyCaddieLaser range findersIntelliGolf (4) Cart mounted GPS
Initial cost$45$250 to $450$300 to $500$60.00n/a
Cost for downloading maps$1/map$30/yr to $60/yrn/aFreen/a
Shows distance to front/center/back of green•••(3) ••
Shows lay-up and carry distances for sand traps, water hazards, etc.••• (3)••
Lay-up/carry distances to hazard based on entire shape, rather than a single point.•    
Can be used from fairway on cart-path-only days•••• 
Requires a steady hand  •  
Runs on your cell phone, no need to purchase, carry, and re-charge a separate device•  • (5) 
Large text, simple navigation••  •
Customizable for long/short hitters•    
Customizable for straight/spray hitters•    
Course map may be downloaded over the air, even after arriving at the course• n/a• (6)n/a
Download course I'm at feature•   •
Number of courses stored on the device100s (1)20n/a?1
Can map a course from user's home computer•    
Number of courses already mapped100 (2)12000All n/a
Shows distance to clubhouse, nearest restroom, nearest water jug, etcV1.1    
Provides course info including clubhouse menu and phone numbersV1.1   •
Shows personal notes and swing tips entered by userV1.1    
Recommends club selection based on general guidelinesV1.1    
Notes: (1) Number of maps limited only by cell phone memory, but hundreds should fit on even small memory phones.
(2) Course catalog is under development and will grow very rapidly.
(3) Laser/optical finders work only if direct line of sight exists to vertical target.
(4) IntelliGolf provides many features not described here. However, we find the display to be too busy to read on sunny days and the small on-screen buttons hard to navigate while golfing.
(5) Works on a small number of high-end phones.
(6) Over the air download works only on some versions.