Compare FulGaz
DirtWatts vs FulGaz for mountain bikers
FulGaz is polished HD video of famous roads and race courses, with a family plan included in its yearly subscription. It is a road app. DirtWatts is for mountain bike trails. FulGaz is part of Rouvy, which Zwift bought in April 2026.
Prices and features checked October 2026. US list prices.
Choose FulGaz if…
- You want to preview a real road race course
- You love polished video of famous climbs
- You want a family plan in one subscription
Choose DirtWatts if…
- You ride mountain bikes
- You want to ride the trail yourself in 3D
- You want lidar grades and dirt physics
Or ride both
$175.98a year for FulGaz and DirtWatts
Keep FulGaz for road days. DirtWatts adds the trails for $4.17 a month, billed yearly, or start on the free tier.
Head to head
DirtWatts and FulGaz, side by side
- Yes
- Partly
- Coming soon
- No
- Not advertised
| Feature | DirtWatts | FulGaz |
|---|---|---|
| Price (US) | $4.99 a month or $49.99 a year | $14.99 a month or $125.99 a year |
| Free option | Free tier: two featured trails, rotated monthly | 14-day trial, no card needed |
| What you ride | Real US mountain bike trails, rebuilt one by one | HD video of real roads and race courses |
| MTB singletrack | Every trail is singletrack or dirt, from Park City to Moab, Sedona, Bend and Durango | Not advertised |
| Elevation source | USGS 1 m bare-earth lidar | GPS from the filmed ride |
| Surface changes resistance | Yes: each trail section carries its surface, so hardpack rolls faster than loose dirt | Not advertised |
| Ride your own routes | Coming soon: one US trail request a month, baked from lidar | No |
| Group rides and racing | Leaderboards and climb segments coming soon; group rides on the roadmap | Not advertised |
| Structured workouts | No. You ride trails | Yes |
| Runs on | Chrome or Edge on Windows, macOS and ChromeOS. Desktop app on the roadmap | Windows, macOS, iOS, Android, Apple TV |
Strengths
What FulGaz does better
- Polished HD video of famous roads and race courses
- A family account with the yearly plan
- Apps for Windows, macOS, iOS, Android and Apple TV
What only DirtWatts does
- Real US singletrack, cut into the hillside the way the real trail is
- Grades from USGS 1 m bare-earth lidar, not a GPS track
- Trail surfaces that change resistance: hardpack rolls faster than loose dirt
- A rider model fitted to a real power-meter ride on dirt, with thinner air at altitude
- A free tier, and $49.99 a year for the full library
DirtWatts and FulGaz: questions
Does FulGaz have mountain bike trails?
FulGaz focuses on road video and doesn't advertise mountain bike trails. DirtWatts is built for mountain bike trails.
More comparisons
See every app in one table on the comparison page, or compare DirtWatts with:
- DirtWatts vs Zwift
- DirtWatts vs Rouvy
- DirtWatts vs Biketerra
- DirtWatts vs MyWhoosh
- DirtWatts vs TrainingPeaks Virtual
- DirtWatts vs Kinomap
Spot something out of date? Email hello@dirtwatts.com and we'll fix it. Product names are trademarks of their owners.
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