App backends
Compare free limits and scope of backends built on serverless functions and managed databases.
Services compared5
| Compared item | Product typeDocument DB · App backend ProviderGoogle PlanSpark | Product typeCloud infrastructure · AI platform ProviderAmazon Web Services PlanFree Tier + $200 Credits | Product typeServerless functions · Edge ProviderCloudflare PlanFree | Product typeFrontend · Edge cloud ProviderVercel PlanHobby | Product typeContainer cloud (PaaS) ProviderRailway PlanTrial & Free Credit |
|---|---|---|---|---|---|
| First-month payment | USD 0 / one_time | USD 0 / month | USD 0 / month | USD 0 / month | USD 0 / month |
| Renewal payment | USD 0 / month | USD 0 / month | USD 0 / month | USD 0 / month | USD 0 / month |
| Free tier | Firestore 1 GiB · 50,000 reads & 20,000 writes/day · 10 GB hosting | 30+ Always Free services + $100 (up to $200) credit for new sign-ups | 100,000 dynamic req/day · 10 ms CPU/invocation · Free static assets | Hobby $0 plan · Sandbox Active CPU 5 hrs/mo · 420 GB-hrs (up to 4 vCPU · 8GB) | $5 trial credit (30 days) · Then $1 credit/mo |
| Eligibility | New or existing Spark projects | 6 months of Free plan after new AWS sign-up (up to $100 extra on eligible services) | New or existing Free accounts | Vercel Hobby free account | New accounts (30-day trial) |
| Card required | No card required | Payment card verification required upon AWS sign-up | No card required | No card required | No card required for trial |
| Overage | Temporarily restricted over limit · Pay-as-you-go on Blaze | Free plan ends 6 months after sign-up or when credits are depleted | Errors over Free limit · Paid plan $5/mo + usage | Sandbox creation paused for 30 days when quota is exceeded (no auto-billing) | Containers paused when credit runs out (no auto-charge) |
| Officially checked | |||||
| Check the official source | Official page ↗Official source | Official page ↗Official source | Official page ↗Official source | Official page ↗Official source | |
| Details and source records | Unconfirmed items0 Details & save | Unconfirmed items0 Details & save | Unconfirmed items0 Details & save | Unconfirmed items0 Details & save | Unconfirmed items0 Details & save |
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