| Feature | Free edition | Full edition |
| Scenery features |
| Group mode | Always enabled | changable |
| Highway | Cars' speeds limited to 75 mph in multiples of 5 | Up to 800 mph |
| Clouds | Speeds at multiples of 5 to up to 50 and heights from 5000 to 20000 feet in multiples of 1000 | Speeds at anything to 800 mph and heights from 0 to 65535 feet |
| Sky quality | High and low | High and low |
| Distance fog | 1, 2, 3, 6, 9, and 18 channels | 1, 2, 3, 6, 9, 18, 27, and 54 channels |
| Special features |
| Game modes | Normal and frame advance | Normal and frame advance |
| Time control | 1/2, 1, and 2x only | 1/16, 1/8, 1/4, 1/2, 1, 2, 4, 8, 16, 32, and 64x |
| Game demo | No | Yes |
| Supported resolutions | 640x480 only | 640x480, 800x600, and 1024x768 |
| Horizon indicator | Alpha of 0 and 32 only‡ | Fully customizable |
| Interactive tutorial | Yes (one lesson is taken out and replaced by another) | Yes |
| Easy-to-use menu system | Yes | Yes |
| On-screen information |
| Distance moved** | Rounds to within 110 feet | Rounds to nearest integer of a foot |
| Position | Multiples of 100 to up to 1 million | Unrestricted to 10 trillion*** |
| Time played | Minutes and seconds | Minutes, seconds, and frames |
| Speed** | Horizontal and vertical only as integers | Main, horizontal, and vertical to 2 decimal places |
| Height** | Multiples of 10 feet** | Two decimal places of precision |
| Jump count indicator | Yes | Yes |
| Special abilities |
| Float run | Yes | Yes |
| Glide | Limited to 200 mph with drop out† | Limited to 800 mph without drop out |
| Fall-glide | Yes, but fall-glide-hop cannot be used past 200 mph | Unrestricted |
| Stomp | Bounce when under 400 mph only and pound | Unrestricted |
| Speed blast | No | Yes |
| Flash attack | Straight up and straight down only | 8 directions |
| Maximum number of jumps | 6 | 6 |
| Special effects |
| Flare effect | No | Yes |
| Space effect | Yes | Yes |
| Puffs | Yes, but size is limited due to limited horizontal speed | Yes |
| Challenges |
| Challenges | 3 | 8 |
| Difficulty settings | Easy and medium only (hard and master very limited) | Easy, medium, hard, and master |
| Practice mode | Yes (on available challenges only) | Yes |
| General |
| Logos | Displays for 4 seconds each | Displays for 2 seconds each |
| Watermark | Yes | No |
| Game manual | Optional separate free download | Optional separate free download |
| Save/load system | Only high scores and general configurations can be saved | Save almost anything anyway you want |
| Support | Yes | Yes |
| Updates | Free but delayed* | Free within a version but with greater priority. |
| Download size | About 3.9 megabytes | About 3.9 megabytes (the same as the free edition) plus a 2 KB license key |
| Price | $0.00 (Download it) | $12.95 (Order it now) |