Staxly

Appwrite vs OneSignal

Open-source BaaS for building full-stack apps
vs. Mobile + web push, email, SMS, and in-app messaging at consumer scale

Appwrite websiteOneSignal website

Pricing tiers

Appwrite

Self-Hosted
Run Appwrite on your own infrastructure. MIT licensed — no usage limits.
$0 base (usage-based)
Cloud Free
Managed cloud. Hard caps: 1 team member, 1 database per project.
Free
Cloud Pro
From $15/member/month. 2 TB bandwidth, 150 GB storage, 200k MAU, 3.5M executions, unlimited databases + team members.
$15/mo
Cloud Scale
$599/month flat for the org. Higher included usage + advanced security. Deprecated in some regions — check.
$599/mo
Enterprise
Custom pricing. SOC 2, HIPAA (on request), dedicated infra, SLAs.
Custom
Appwrite website

OneSignal

Free
Unlimited mobile push, 10K web push subs, 10K email/mo, 1 journey. GDPR compliant.
Free
Growth
$19/mo + usage. 20K email/mo included, then $1.50/1K. 3 journeys. Advanced in-app.
$19/mo
Professional
Custom. Unlimited volume, 20 journeys, CSV export, prioritized support.
Custom
Enterprise
Custom. Dedicated CSM, SLA, frequency capping, advanced permissions, HIPAA options.
Custom
OneSignal website

Free-tier quotas head-to-head

Comparing free on Appwrite vs free on OneSignal.

MetricAppwriteOneSignal
active journeys1 journeys
bandwidth gb month5 GB/month
databases per project1 databases
email monthly10000 emails/mo
function duration s30 seconds
function executions750000 exec/month
mau75000 users/month
mobile pushUnlimited subscribers
storage gb2 GB
team members1 members
web push subscribers10000 subscribers

Features

Appwrite · 13 features

  • Account (Auth)User authentication: email/password, magic URLs, phone OTP, anonymous, 30+ OAuth
  • AvatarsGenerated avatars, country flags, credit-card icons, QR codes, favicons.
  • DatabasesNoSQL collections with attribute types, indexes, permissions per document/collec
  • Events SystemUnified event bus: subscribe in Functions, Webhooks, Realtime using event string
  • FunctionsServerless functions in 13+ runtimes (Node, Python, Go, Ruby, PHP, Dart, Deno, S
  • MessagingMulti-channel messaging: Push (FCM/APNs), SMS (Twilio/Vonage/Msg91), Email (Mail
  • MigrationsImport from Firebase, Supabase, NHost, or another Appwrite project.
  • Permissions (ACLs)Per-document / per-collection ACLs: Role.user(), Role.team(), Role.any(), Role.g
  • RealtimeWebSocket subscriptions to events: database changes, auth, storage, function exe
  • SitesDeploy static and SSR frameworks (Next, Nuxt, SvelteKit, Astro, Remix) direct fr
  • StorageFile buckets with access control, auto-transforms (image preview), antivirus, en
  • TeamsGroup users with shared access + roles. Used for row-level permissions on resour
  • WebhooksHTTP callbacks on any Appwrite event. Signed with x-appwrite-webhook-signature.

OneSignal · 12 features

  • A/B TestingSplit testing across push, email, in-app.
  • Analytics + CohortsDelivery, open, click, conversion metrics + retention cohorts.
  • EmailTransactional + marketing email with templates.
  • Frequency CappingLimit message frequency per user.
  • In-App MessagingIn-app banners, modals, surveys, carousels triggered by events.
  • Intelligent DeliveryOptimize send time per user with ML.
  • JourneysMulti-step automations with branching, delays, actions.
  • Live ActivitiesiOS Dynamic Island + Live Activities.
  • Mobile PushiOS (APNs), Android (FCM/HMS) push notifications.
  • SegmentsDynamic audience targeting by tags, location, behavior.
  • SMSTwo-way SMS in 200+ countries.
  • Web PushBrowser push via service workers (Chrome, Firefox, Edge, Safari, Opera).

Developer interfaces

KindAppwriteOneSignal
CLIAppwrite CLI
SDKAndroid SDK (Kotlin), Apple SDK (Swift), Dart Server SDK, Deno SDK, Flutter SDK, Kotlin Server SDK, .NET Server SDK, Node.js Server SDK, PHP Server SDK, Python Server SDK, React Native SDK, Ruby Server SDK, Swift Server SDK, Web SDK (browser)OneSignal Android SDK, onesignal_flutter, OneSignal iOS SDK, @onesignal/node-onesignal, OneSignal Unity SDK, OneSignal Web SDK, react-native-onesignal
RESTREST APIOneSignal REST API
GRAPHQLGraphQL API
MCPAppwrite MCP Server
OTHERRealtime WebSocketOutbound Webhooks
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