Fly.io vs Salesforce Heroku Comparison
Fly.io
Starting at Free free
- Small Business
- Mid-Market
Fly.io is an application deployment platform that runs full-stack applications in lightweight virtual machines at the network edge — close to users globally. Unlike traditional PaaS platforms, Fly.io provides hardware-le…
Salesforce Heroku
Starting at $7 /Month
- Large Enterprises
- Medium Business
Salesforce Heroku is a high-performance application creation platform designed to help businesses connect with their customers seamlessly. With its advanced CRM data and efficient tools, it enables developers to easily p…
Salesforce Heroku leads on user satisfaction with a 4.5-star rating across 245 reviews.
Fly.io vs Salesforce Heroku — at a glance
| Feature | Fly.io | Salesforce Heroku |
|---|---|---|
| Rating | 4.4 / 5 | 4.5 / 5 |
| Reviews | 180 | 245 |
| Starting price | Free free | $7 /Month |
| Free trial | No | No |
| Free version | No | No |
| Best for | Small Business, Mid-Market, Enterprise | Large Enterprises, Medium Business, Small Business |
| Category | Cloud Platform as a Service (PaaS) Software | Cloud Platform as a Service (PaaS) Software |
| Platforms | Cloud | SaaS/Web/Cloud |
| API | Available | Available |
| Support modes | Help Center, Community Forum, Email Support | 24/7 (Live rep), Business Hours, Online |
| Certifications | — | SOC 2, HIPAA, GDPR, ISO 27001 |
| Data residency | — | Global |
Key differences between Fly.io and Salesforce Heroku
- Pricing: Fly.io starts at Free free, while Salesforce Heroku starts at $7 /Month.
- Target audience: Fly.io is built for Small Business and Mid-Market, while Salesforce Heroku targets Large Enterprises and Medium Business.
- User satisfaction: Salesforce Heroku scores higher with a 4.5-star average.
- Deployment: Fly.io supports Cloud; Salesforce Heroku supports SaaS/Web/Cloud.
Fly.io vs Salesforce Heroku — find the better fit before you commit.
Which tool fits your team best
Which is actually cheaper for your team size
Where each product wins, per real buyers
Most Cloud Platform as a Service (PaaS) Software tools look identical on paper. This comparison cuts to the differences that matter — pricing structure, team fit, and what real buyers found after signing up.
Biggest differences
Features
Pricing
Buying details
Security
Buyer feedback
Integrations
Product tour
Other options
Talk to an expert Talk to an expert | Talk to an expert Talk to an expert |
Free PDF comparison
Download this Fly.io vs Salesforce Heroku comparison
Get the full side-by-side as a PDF — these picks plus the top Cloud Platform as a Service (PaaS) Software tools, with verified ratings, pricing and features.
- Side-by-side on pricing, features & ratings
- Plus the category top 10, scored & ranked
- Emailed to you — no on-screen download
No file downloads on screen — we email it to you. One-click unsubscribe anytime.
Biggest differences
Start here before you go deeper into features.
Small Business, Mid-Market, Enterprise
Best for building custom apps tightly integrated with Salesforce CRM data.
- You need seamless, automatic synchronization between apps and Salesforce CRM.
- Your team includes developers who can leverage a high-performance app platform.
- You want to personalize customer engagement apps using advanced CRM data.
- Your company lacks developer resources to manage and build custom apps.
- You prefer ready-to-use SaaS solutions without complex setup or coding.
Fly.io typically suits Small Business and Mid-Market. Salesforce Heroku tends to fit Large Enterprises and Medium Business better. The right choice depends on your team size, workflow, and whether a free trial matters.
Description | Fly.io is an application deployment platform that runs full-stack applications in lightweight virtual machines at the network edge — close to users globally. Unlike traditional PaaS ... Read More about Fly.io | Salesforce Heroku is a high-performance application creation platform designed to help businesses connect with their customers seamlessly. With its advanced CRM data and efficient tools, it ... Read More about Salesforce Heroku |
|---|---|---|
Entry Level Pricing |
|
|
Free Trial Availability |
|
|
SpotScoreWhat's this? ↗ | 8.8/10 | Not Available |
User RatingsBased on verified Spotsaas reviews | ||
Best Company Size | — | 51-500 employees500+ employees |
Get pricing help | Get pricing help |
Where each option fits best
See where each product is strongest, which teams it fits, and what causes buyers to keep looking — before you commit.
Based on buyer reviews and verified product data collected by Spotsaas.
Key strengths
- Low-Latency Global Applications: Fly.io deploys applications at the network edge close to users in 35+ regions, reducing API response times for global user bases without custom CDN configuration.
- AI Workloads on PaaS Simplicity: GPU machine support lets AI inference APIs run on Fly.io without moving to complex ML infrastructure platforms like SageMaker or Vertex AI.
- Maximum VM Isolation at PaaS Prices: Firecracker VMs provide hardware-level tenant isolation — meaningful for multi-tenant SaaS apps handling sensitive customer data.
No key benefits available yet.
Best fit
- API teams needing sub-50ms response times globally without managing multi-region infrastructure
- AI startups running GPU inference endpoints on PaaS infrastructure without ML platform complexity
- HealthTech applications requiring HIPAA-compliant hosting with BAA agreements
No best-fit guidance available yet.
Software Demo
Demo |
|---|
Need a second opinion?
Get shortlist help from a software advisor
Share your priorities, budget, and team needs, and we’ll help you narrow the options and understand the tradeoffs before you talk to vendors.
- Independent advice — matched to your business
- Understand the tradeoffs before you talk to vendors
- Free 15-min call with a software advisor.
Step 1 of 4
How big is your team?
We tailor recommendations to companies your size.
How do Fly.io and Salesforce Heroku Compare on Features?
Total Features | 8 Features | 6 Features |
|---|---|---|
Unique Features | No unique features | No unique features |
Get Quote | Get Quote |
Compare Fly.io and Salesforce Heroku on pricing
Review starting price, plan structure, and free-trial access side by side so you can see which option fits your budget and buying process.
Pricing Option | ||
|---|---|---|
Starting From |
|
|
Pricing Plans |
| |
Pricing Page | Pricing information not available |  |
Other Details
Organization Types supported |
|
|
|---|---|---|
Platforms Supported |
|
|
Modes of support |
|
|
API Support |
|
|
Get help choosing | Get help choosing |
Security & Compliance
Certifications, data handling, and security controls for IT and compliance evaluators.
SOC 2 | — | ✓ Yes |
|---|---|---|
HIPAA | — | ✓ Yes |
GDPR | — | ✓ Yes |
ISO 27001 | — | ✓ Yes |
Single Sign-On (SSO) | — | ✓ Yes |
Multi-Factor Auth (MFA) | — | ✓ Yes |
Data Encryption | — | ✓ Yes |
Audit Logs | — | ✓ Yes |
Data Residency | — | 🌐 Global |
Fly.io User Reviews & Rating Comparison
User Ratings | 4.4 (based on 180 reviews) | 4.5 (based on 245 reviews) |
|---|---|---|
Rating Distribution | ||
Spotsaas Editor’s POV generated by AI | Buyer sentiment Buyer sentiment is positive across 180 reviews, with strong overall satisfaction. What buyers like
Common complaints
| Buyer sentiment Users generally appreciate Heroku's performance and Salesforce integration but note the complexity and lack of transparent pricing as drawbacks. What buyers like
Common complaints
|
Pros and Cons |
|
|
Media and Screenshots
Videos | No videos available. |  3 Videos |
|---|
Top Alternatives to Fly.io and Salesforce Heroku in 2026
Alternatives | No Alternative products available. |
|---|
Add another option to compare side by side
Search by product name to compare pricing, fit, and buyer feedback in one view.Compare similar software options
Related Blogs and Articles for Cloud Platform As A Service Paas Software
Disclaimer: This research has been collated from a variety of authoritative sources. We welcome your feedback at [email protected].
Frequently asked questions
- Which is better, Fly.io or Salesforce Heroku?
- Salesforce Heroku edges out the other on user ratings (4.5 vs 4.4). That said, the best pick depends on your use case — use the comparison tables above to evaluate each dimension.
- Do Fly.io and Salesforce Heroku offer a free trial?
- Neither Fly.io nor Salesforce Heroku currently lists a free trial.
- What is the starting price of Fly.io vs Salesforce Heroku?
- Fly.io starts at Free free. Salesforce Heroku starts at $7 /Month.
- What are the top alternatives to Salesforce Heroku?
- Top alternatives to Salesforce Heroku include Jelastic, KloudConnectors, The Cloud Connectors, Clustered Cloud, Agentforce Sales (formerly Salesforce Sales Cloud).