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Open source Paddle alternatives: 1 app ranked by verified data

Facts checked Nov 8, 2026AppBreakup editorialHow we rank

1 of the 9 Paddle alternatives we track are open source. Polar ranks highest, with facts last verified Nov 8, 2026.

Quick comparison

#AppPricingVerified priceOpen sourcePlatformsVerified factsScore
1Polar logoPolarFree plan + paid$20/month, 3.8% + 40¢YesWeb4 of 442.3
  1. Polar logo

    1. PolarTop pick

    Best for: Developers and AI startups selling software globally who want tax handled for them

    Free plan + paidOpen sourceWeb

    42.3

    score / 100

    Why switch from Paddle

    Open-source merchant of record with built-in usage billing and a free plan with no monthly fee.

    Pros

    • Handles global sales tax, fraud, refunds and chargebacks as merchant of record
    • Built-in usage metering and credits alongside subscriptions
    • Open-source codebase under Apache 2.0
    • Free plan with no monthly fee

    Cons

    • Per-transaction fees are higher than a plain payment processor
    • Less control over checkout and payments than using Stripe directly
    • Focused on software and digital products, not physical goods
    Visit Polar Details and reviews
    How this score is calculated
    Editorial fit ×0.312
    Reviews ×0.363
    Clicks (90 days) ×0.150
    Freshness ×0.15100
    Votes ×0.150

    0 counted reviews, 0 up and 0 down votes. Full formula

    Is Polar a good Paddle alternative?

    Verified facts

    4 of 4 verified
    Free plan fee
    5% + 50¢ per transaction
    Checked Nov 8, 2026polar.sh(opens source in a new tab)
    Pro plan
    $20/month, 3.8% + 40¢
    Checked Nov 8, 2026polar.sh(opens source in a new tab)
    Markets
    100+ as merchant of record
    Checked Nov 8, 2026polar.sh(opens source in a new tab)
    License
    Apache-2.0
    Checked Nov 6, 2026github.com(opens source in a new tab)