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Polar vs Increase

Side-by-side comparison of two indie startups from the Startup Spotlight directory.

Option A
Polar

Polar

Fintech

Merchant of record for developers.

Polar is an open-source merchant-of-record built for digital products and SaaS — handles tax, customer accounts, and entitlements.

Founder
Birk Jernström
Founded
2023
Team
1-10
Listing
Free (nofollow)
Listed
May 2026
View Polar →
Option B
Increase

Increase

Fintech

Software-first banking infrastructure.

Increase is a banking API for ACH, wires, and card issuing — built for developers who want a clean, no-nonsense interface to US banking rails.

Founder
Garrett Koller
Founded
2020
Team
11-50
Listing
Free (nofollow)
Listed
May 2026
View Increase →

See more alternatives

Polar alternatives →Increase alternatives →