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Overage / Compare / Email APIs

Mailgun vs Plunk pricing

Verified 2026-10-23 (2 days ago)Source: Mailgun: www.mailgun.com/pricing/, Plunk: www.useplunk.com/pricingVerified shows the older of the two.

Monthly cost at three volumes

Monthly cost of Mailgun and Plunk at three volumes and at your own
VolumeMailgunPlunk
small5K emails sent$0 / moFreeexcludes unpriced usage$5 / moPay as you grow
growing50K emails sent$0 / moFreeexcludes unpriced usage$50 / moPay as you grow
scale500K emails sent$0 / moFreeexcludes unpriced usage$500 / moPay as you grow
your volumeset above$0 / moFreeexcludes unpriced usage$50 / moPay as you grow

Each cell is the cheapest feasible plan, or the chosen model, at that volume, from the shared Overage cost function. "Cheapest model" only considers models with both an input and an output price listed. Volumes are example scenarios you can edit.

Tiers, aligned by position

Tiers of Mailgun and Plunk aligned by position: free, entry, mid, top
PositionMailgunPlunk
Free$0 / moFree$0 / moFree · 1,000 emails sent / mo
Entry$15 / moBasic · 10,000 emails sent / mo$0 base + usagePay as you grow
Mid$35 / moFoundation · 50,000 emails sent / mono tier
Top$90 / moScale · 100,000 emails sent / mono tier

Tightest rate limit

Tightest documented rate limit of each service
MeasureMailgunPlunk
Tightest limit100 emails sent per dayFree tierunlisted

Changes in the last 90 days

No changes recorded.

No change detected for either service in the last 90 days.