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Overage / Compare / Email APIs

Plunk vs SMTP2GO pricing

Verified 2026-10-23 (2 days ago)Source: Plunk: www.useplunk.com/pricing, SMTP2GO: www.smtp2go.com/pricing/Verified shows the older of the two.

Monthly cost at three volumes

Monthly cost of Plunk and SMTP2GO at three volumes and at your own
VolumePlunkSMTP2GO
small5K emails sent$5 / moPay as you grow$15 / moStarter
growing50K emails sent$50 / moPay as you grow$63 / moStarter
scale500K emails sent$500 / moPay as you grow$415 / moProfessional
your volumeset above$50 / moPay as you grow$63 / moStarter

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 Plunk and SMTP2GO aligned by position: free, entry, mid, top
PositionPlunkSMTP2GO
Free$0 / moFree · 1,000 emails sent / mo$0 / moFree Plan · 1,000 emails sent / mo
Entry$0 base + usagePay as you grow$15 / moStarter · 10,000 emails sent / mo
Midno tierno tier
Topno tier$75 / moProfessional · 100,000 emails sent / mo

Tightest rate limit

Tightest documented rate limit of each service
MeasurePlunkSMTP2GO
Tightest limitunlistedunlisted

Changes in the last 90 days

No changes recorded.

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