horizOn vs. Firebase: Criterion by Criterion
Each row names the stronger side for an indie studio and links the provider's own page as source.
Free plan
Even or different in kind horizOn
No time limit and no revenue cap: 5,000 players, 10 requests per minute (soft limit, hard limit 100), all 13 features.
Source, checked 2026-10-12 Firebase
Spark plan with daily limits, among them 50,000 Firestore reads and 20,000 writes per day and 50,000 monthly auth users. No Cloud Functions and no Cloud Storage.
Source, checked 2026-10-12 Pricing model and price jumps
horizOn stronger horizOn
Fixed monthly price of €11.99, €29.99 or €59.99 incl. VAT, yearly €9.99 to €49.99 per month. No metering: at a plan limit the server refuses requests (HTTP 429) instead of billing more.
Source, checked 2026-10-12 Firebase
Pay per use on the Blaze plan: every read, write and function call above the free quota is billed. Remote Config is billed above 100,000 fetches per day since 1 September 2026.
Source, checked 2026-10-12 Regions
horizOn stronger horizOn
EU (Helsinki, Finland), US (Virginia) and Asia (Singapore) for every project at no extra cost. Players read from the nearest region, every write goes to Helsinki.
Source, checked 2026-10-12 Firebase
One region per database, fixed at creation. Multi-region only inside the EU or inside the US, none in Asia.
Source, checked 2026-10-12 Engines and SDKs
horizOn stronger Consoles
Even or different in kind Ready-made player features
horizOn stronger Own server logic and cheat protection
Firebase stronger horizOn
No custom server code. Validated Actions check each run against rules set in the dashboard before a score or currency is written.
Source, checked 2026-10-12 Real-time multiplayer
Firebase stronger horizOn
None. No real-time multiplayer, matchmaking or lobbies.
Leaving and self-hosting
horizOn stronger horizOn
simpleServer: open source (MIT), the same app API, works with the unchanged SDKs. No dashboard and no Validated Actions, you run and maintain it yourself.
Source, checked 2026-10-12 Availability, contract and data protection
Firebase stronger Firebase
Firestore SLA of 99.99 % (regional) to 99.999 % (multi-region) with credits. Data processing terms published. Contract with Google.
Source, checked 2026-10-12