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Head-to-Head Specification Audit
SimplePay vs Fly.io
South African SMEs · South Africa
Specification Matrix
| Metric | SimplePay | Fly.io |
|---|---|---|
| Starting Price | $2/mo | CustomBetter |
| API Rate Limit | 100 req/min | N/A |
| Target Country | South Africa | Global |
| Category | HR & Payroll | Cloud Hosting & Edge |
| Compliance | POPIA, SARS-compliant | SOC2, GDPR |
| Hosting Regions | ZA | US-East, EU-West, AP-Southeast, AF-South-ZA |
| Native Integrations | 2 listed | 5 listedBetter |
SimplePay — Key Specs
- ✓Cheapest PAYE-compliant payroll in SA
- ✓SARS eFiling automated
- ✓R2/employee/month pricing
- ✓Bulk payslip distribution
- ✓Cloud-based — no install needed
Fly.io — Key Specs
- ✓Deploy Docker containers to 30+ global regions — closest to ZA is Johannesburg (jnb)
- ✓Machines API launches VMs in under 300ms — ideal for per-request compute isolation
- ✓Fly Volumes provide persistent SSDs for stateful apps like databases and file stores
- ✓Free allowance covers 3 shared-CPU VMs and 3GB of persistent storage permanently
Frequently Asked Questions
What is cheaper, SimplePay or Fly.io?+
Fly.io starts at $0/mo, which is lower than SimplePay at $2/mo.
Which tool is better for compliance — SimplePay or Fly.io?+
SimplePay additionally supports POPIA, SARS-compliant. Fly.io additionally supports SOC2, GDPR.
Is SimplePay or Fly.io compliant with South Africa's POPIA?+
SimplePay supports POPIA compliance. Fly.io does not list POPIA as a supported framework.
Which tool is better suited for South Africa?+
SimplePay is evaluated for South African SMEs in South Africa with hosting regions: ZA. Fly.io has hosting regions: US-East, EU-West, AP-Southeast, AF-South-ZA. For data residency in South Africa, check each vendor's data processing agreements.
Data last verified: 25 June 2026
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