mod.io vs Thunderstore

mod.io9.0Visit Thunderstore7.4Visit

Higher score mod.io #1 in Game Mod Repositories 9.0/10 Pricing on request ✓ 4 of 4 features Visit mod.io

vs

Thunderstore #4 in Game Mod Repositories 7.4/10 Free plan Free plan✓ 3 of 4 features Visit Thunderstore

• mod.io fits best

  Studios needing cross-platform UGC infrastructure

• Thunderstore fits best

  Players managing mods across many games

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Side by side

Feature	mod.io 9.0/10 Visit ↗	Thunderstore 7.4/10 Visit ↗
At a glance
Editor score	9.0	7.4
Ranking	#1 in Game Mod Repositories	#4 in Game Mod Repositories
Best for	Studios needing cross-platform UGC infrastructure	Players managing mods across many games
Pricing model	Paid	Free plan + paid
Starting price	Not published	Not published
Free plan	Not published	✓ (best)
Free trial	—	—
Deployment	Cloud	Cloud, Desktop
Platforms	Web, Windows, macOS, Linux, iOS, Android	Web, Windows
Support	Email, Community, Docs	Community, Email, Docs
Built for	Mid-market, Enterprise	Solo, Small business, Mid-market
Features mod.io 4/4 · Thunderstore 3/4
Dependency tracking	✓	✓
Version history	✓	✓
Mod collections	✓	✓
Community comments	✓ (best)	Not published
Specs
Games covered	384 games (best)	300 games
Upload size limit	20 GB (best)	5 GB
Our review
Pros	Supports uploads, dependencies, versions, collections, moderation, and monetization Connects with Unity, Unreal Engine, custom engines, and major platforms Provides REST APIs, SDKs, plugins, and in-game UGC discovery tools	Supports mods for 300+ games Installs declared dependencies through the mod manager Profiles, modpacks, version history, and configuration editing
Cons	Pricing requires contacting sales Coverage spans 384 games UGC submissions have a documented 20 GB maximum size	The full manager experience is Windows-based Creator uploads are limited to 5 The package size limit is roughly 5 GB, though it is a soft limit
Our verdict	mod.io is hosted middleware for game studios and publishers adding user-generated content and mods to games. Its scope covers creator uploads, in-game discovery, subscriptions, downloads, installation management, moderation, analytics,… Read the review →	Thunderstore is a mod repository and API for PC games, with a website organized into game communities and a Windows-based mod manager. It serves individual players, mod creators, and gaming communities that need to find, publish, organize,… Read the review →

Strengths and trade-offs

• mod.io — where it wins

  • Supports uploads, dependencies, versions, collections, moderation, and monetization
  • Connects with Unity, Unreal Engine, custom engines, and major platforms
  • Provides REST APIs, SDKs, plugins, and in-game UGC discovery tools

  Where it doesn't

  • Pricing requires contacting sales
  • Coverage spans 384 games
  • UGC submissions have a documented 20 GB maximum size

• Thunderstore — where it wins

  • Supports mods for 300+ games
  • Installs declared dependencies through the mod manager
  • Profiles, modpacks, version history, and configuration editing

  Where it doesn't

  • The full manager experience is Windows-based
  • Creator uploads are limited to 5
  • The package size limit is roughly 5 GB, though it is a soft limit

• mod.io9.0/10 · Pricing on request

  A broad UGC platform for studios that need cross-platform mod infrastructure.

  Visit mod.ioFull verdict →
• Thunderstore7.4/10 · Free plan

  A free mod repository and Windows manager for organizing mods across 300+ games.

  Visit ThunderstoreFull verdict →