Pay once. No subscription for the app.
Coalstack is free to use. Coalstack Plus unlocks every local feature; the web relay is optional.
Free
For running and watching a single server.
Top features
- Java & Bedrock servers
- One-glance dashboard
- Live console
- Player management
- Crash detection & notifications
- Modrinth mod installer
- Wake on join: servers start when a player joins
Coalstack Plus
Every local feature, for one major version, with all compatibility updates inside it.
Upgrade to the next major version for $7.99 CAD.
- Everything in Free, plus:
- Unlimited backup destinations (incl. S3-compatible)
- Scheduled restarts, commands & announcements
- Docker container mode & JVM presets
- Discord webhooks & the local Automation API
- AI log analyzer & config generator (bring your own key)
- Config history & fleet automation rules
- Safe Minecraft version upgrades with one-click undo
- 1 month of the 1-connection web relay, free
Web relay
Control your servers from your phone, another PC or coalstack.net. Free includes 1 connection, 2 hours at a time with a 45 minute cooldown. A subscription removes the session limit and adds connections.
1 connection
One server, reachable from anywhere.
- No session limit
- Live status, console and player list
- Cancel anytime
4 connections
A small network of servers.
- No session limit
- Live status, console and player list
- Cancel anytime
8 connections
Everything you run, in one place.
- No session limit
- Live status, console and player list
- Cancel anytime
Free vs Paid
| Free | Paid | |
|---|---|---|
| Java & Bedrock servers | ||
| One-glance dashboard | ||
| Live console | ||
| Player management | ||
| Automated backups | ||
| Backup destinations | 1 (folder or Google Drive) | Unlimited, incl. S3-compatible |
| Crash detection & notifications | ||
| uPnP port forwarding & Playit tunnel | ||
| Whitelist & ban management | ||
| Modrinth mod installer | ||
| RCON console access | ||
| Admin roles & admin log | ||
| Custom domain (SRV record support) | ||
| Auto Debugger | ||
| Auto-fix on launch failure | ||
| Wake on join (Java) | ||
| Active invites | 3 | Unlimited |
| Scheduled restarts | ||
| Server customization (icon & MOTD) | ||
| JVM presets | ||
| AI log analyzer (bring your own key) | ||
| AI tool/config generator (bring your own key) | ||
| Mod compatibility checks | ||
| Safe server upgrade (Java) | ||
| Modrinth modpack installer | ||
| Discord webhook notifications | ||
| Announcements | ||
| Local Automation API | ||
| Scheduled commands | ||
| Docker container mode | ||
| Config History | ||
| Fleet automation rules |
Prices in CAD. Cancel a relay subscription anytime from your account; your Plus purchase is yours either way.

