Back4app vs Fly.io
Side-by-side comparison of features, pricing, and integrations.
Quick Verdict
Back4app offers more features (51 vs 31) and fewer integrations (9 vs 12). Starting price: Back4app at Contact Sales vs Fly.io at $29/mo. Back4app has 51 unique features while Fly.io has 31 unique features, with 0 features in common.
| Back4app | Fly.io | |
|---|---|---|
| Category | Cloud Infrastructure | Cloud Infrastructure |
| Total Features | 51 | 31 |
| AI-Powered Features | 6 | 3 |
| Starting Price | Contact Sales | $29/mo |
| Pricing Tiers | 0 | 5 |
| Integrations | 9 | 12 |
| Shared Features | 0 | |
| Shared Integrations | 0 | |
| Data Quality | 70% | 85% |
Feature Comparison by Category
AI (4 vs 0)
| Feature | Back4app | Fly.io |
|---|---|---|
| AI Agent | ||
| Automatic Database Schema Generation | ||
| Instant Deployment | ||
| Pre-configured Authentication |
API (5 vs 0)
| Feature | Back4app | Fly.io |
|---|---|---|
| GraphQL API | ||
| Interactive API Console | ||
| REST API | ||
| SDKs | ||
| Webhooks |
Account Management (0 vs 2)
| Feature | Back4app | Fly.io |
|---|---|---|
| Accidental Deployment Protection | ||
| Unlimited Organizations |
Authentication (7 vs 0)
| Feature | Back4app | Fly.io |
|---|---|---|
| Authentication & Security | ||
| Class-level and Object-level Permissions (ACLs) | ||
| Email/Password Authentication | ||
| Password Reset and Email Verification | ||
| Role-based Access Control (RBAC) | ||
| Secure Session Management | ||
| Social Login |
Backend Logic (5 vs 0)
| Feature | Back4app | Fly.io |
|---|---|---|
| Cloud Functions | ||
| Custom Business Logic | ||
| Database Triggers | ||
| Scheduled Jobs | ||
| npm Package Integration |
Billing (0 vs 3)
| Feature | Back4app | Fly.io |
|---|---|---|
| Aggregated Billing | ||
| Machine Reservations | ||
| Per-Second Billing |
Communication (1 vs 0)
| Feature | Back4app | Fly.io |
|---|---|---|
| Built-in Messaging |
Compliance (0 vs 2)
| Feature | Back4app | Fly.io |
|---|---|---|
| HIPAA Compliance | ||
| SOC2 Type 2 Compliance |
Compute (0 vs 5)
| Feature | Back4app | Fly.io |
|---|---|---|
| Environment Checkpointing | ||
| Fly Machines | ||
| GPU Support | ||
| Persistent Agent Brains | ||
| VM Forking |
Database (9 vs 1)
| Feature | Back4app | Fly.io |
|---|---|---|
| Aggregate Functions | ||
| Automatic Indexing | ||
| Distributed Systems Support | ||
| Flexible Schema | ||
| Full-text Search | ||
| Geo-queries | ||
| MongoDB Databases | ||
| Real-time Subscriptions | ||
| Relational Data with Pointers and Relations | ||
| Spreadsheet-like User Interface |
Deployment (5 vs 1)
| Feature | Back4app | Fly.io |
|---|---|---|
| Automatic CI/CD Pipeline | ||
| Custom Domains with SSL | ||
| Environment Variables and Secrets | ||
| Global Deployment | ||
| One-click GitHub Deploy | ||
| Web Deployment |
DevOps (0 vs 1)
| Feature | Back4app | Fly.io |
|---|---|---|
| CI/CD Integration |
Developer Experience (0 vs 4)
| Feature | Back4app | Fly.io |
|---|---|---|
| Automatic Container Generation | ||
| FlyCTL CLI | ||
| Multi-Framework Support | ||
| Pricing Calculator |
Developer Tools (2 vs 0)
| Feature | Back4app | Fly.io |
|---|---|---|
| IDE Integration | ||
| MCP Server |
Networking (0 vs 1)
| Feature | Back4app | Fly.io |
|---|---|---|
| Private Networking |
Notifications (5 vs 0)
| Feature | Back4app | Fly.io |
|---|---|---|
| Delivery Analytics | ||
| Email Notifications | ||
| Email Templates | ||
| Push Notifications | ||
| Scheduled and Targeted Campaigns |
Real-time (4 vs 0)
| Feature | Back4app | Fly.io |
|---|---|---|
| Automatic Reconnection and Offline Handling | ||
| Real-time Live Queries | ||
| Subscription Filters | ||
| WebSocket Connections |
Scalability (0 vs 1)
| Feature | Back4app | Fly.io |
|---|---|---|
| Agent Scaling |
Security (0 vs 5)
| Feature | Back4app | Fly.io |
|---|---|---|
| ACLs and Scoped Tokens | ||
| KVM Hardware Isolation | ||
| Memory-Safe Stack | ||
| Sandboxes | ||
| Single Sign-On (SSO) |
Storage (4 vs 4)
| Feature | Back4app | Fly.io |
|---|---|---|
| Automatic Image Optimization | ||
| Direct Upload from SDKs | ||
| Environment Snapshots | ||
| Fast Local NVMe Storage | ||
| File Storage with Global CDN | ||
| Global Durable Object Storage | ||
| Secure Access Controls | ||
| Storage Scaling |
Support (0 vs 1)
| Feature | Back4app | Fly.io |
|---|---|---|
| Serious Support |
Unique Features
Only in Back4app (51)
AI Agent
Automatic Database Schema Generation
Instant Deployment
Pre-configured Authentication
GraphQL API
Interactive API Console
REST API
SDKs
Webhooks
Authentication & Security
Class-level and Object-level Permissions (ACLs)
Email/Password Authentication
Password Reset and Email Verification
Role-based Access Control (RBAC)
Secure Session Management
Social Login
Cloud Functions
Custom Business Logic
Database Triggers
npm Package Integration
+ 31 more unique features
Only in Fly.io (31)
Accidental Deployment Protection
Unlimited Organizations
Aggregated Billing
Machine Reservations
Per-Second Billing
HIPAA Compliance
SOC2 Type 2 Compliance
Environment Checkpointing
Fly Machines
GPU Support
Persistent Agent Brains
VM Forking
Distributed Systems Support
Global Deployment
Automatic Container Generation
FlyCTL CLI
Multi-Framework Support
Pricing Calculator
CI/CD Integration
Private Networking
+ 11 more unique features
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