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mod.io

Paid#1 of 24 in Game Mod Repositories

mod.io: A broad UGC platform for studios that need cross-platform mod infrastructure. Ranked #1 of 24 in Game Mod Repositories by our editors (9.0/10); pricing: Pricing on request; best for studios needing cross-platform UGC infrastructure.

9.0/10Editor score

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mod.io9.0 Visit mod.io

At a glance

Editor score
9.0 / 10
Pricing
Pricing on request
Best for
Studios needing cross-platform UGC infrastructure
Games covered
384 games
Facts checked
20 Sep 2026

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

Our verdict on mod.io

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, monetization, SDKs, plugins, APIs, and white-label interfaces. The platform supports web, Windows, macOS, Linux, iOS, Android, and API access, making it suited to teams building UGC features across PC, console, mobile, and virtual-reality releases.

Platform and ecosystem fit is a central strength. mod.io integrates with Unity, Unreal Engine, custom engines, Steam, Epic Games Store, GOG Galaxy, Apple iOS, Google Play Android, Xbox, PlayStation, Nintendo Switch, and Meta Quest. Its REST API, SDKs, and engine plugins give studios multiple implementation paths, while player-facing tools cover search and filtering, subscriptions, downloads, installation management, comments, ratings, and curated collections. Dependency tracking, versioned files, release metadata, automated validation, malware scanning, moderation workflows, and reporting support a more managed UGC operation.

The product also fits teams that need a commercial model around community content. Premium UGC marketplaces and creator monetization are included alongside uploads and discovery, while white-label interfaces can support a studio-owned experience. According to the vendor’s published materials, advanced service tiers direct prospects to contact sales, so teams should expect a sales-led buying process rather than a simple self-serve plan comparison. mod.io is a strong choice for studios needing cross-platform UGC infrastructure and operational controls; teams seeking a smaller, narrowly focused mod-hosting tool may find its broader platform scope unnecessary.

mod.io pricing

Plans Pricing on requestPaid No free plan — trial or paid only. Prices re-checked Sep 2026.

See plans on mod.io

mod.io fact sheet

Free plan	Not verified
Paid from	Not verified
Games covered	384 games
Dependency tracking	Yes
Version history	Yes
Mod collections	Yes
Community comments	Yes
Upload size limit	20 GB
Deployment	Cloud
Platforms	Web, Windows, macOS, Linux, iOS, Android
Compliance & security	GDPR
Support	Email, Community, Docs
Built for	Mid-market, Enterprise (editorial estimate)
Integrations	12 integrations: Unity, Unreal Engine, Custom engines, Steam, Epic Games Store, GOG Galaxy …
Pricing	Pricing on request
Website	mod.io
Facts checked	20 Sep 2026

mod.io integrations

mod.io lists 12 integrations on its own site.

Unity
Unreal Engine
Custom engines
Steam
Epic Games Store
GOG Galaxy
Apple iOS
Google Play Android
Xbox
PlayStation
Nintendo Switch
Meta Quest

Alternatives to mod.io

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mod.io vs the competition

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The editor score above is our own research. What this page doesn't have yet is a reader's view — what you used mod.io for, what worked and what didn't. No stars are seeded and no review is paid for; an editor reads every one before it appears.

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Featured on iTechGuides

mod.io is listed in our Game Mod Repositories directory. Add the badge to your site — it links back to this page.

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Reviewed by iTechGuides Editors · Editorial team · Updated Sep 2026

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Last updated 28 Sep 2026 · How we research and update