Revova vs send21

A side-by-side comparison built from both listings. Blank cells mean the company has not given that detail; we never guess.

Revova compared with send21
Detail	Revova	send21
What it does	AI-powered payment recovery for subscription businesses that automatically recovers failed payments with personalized AI emails	Non-custodial crypto payment links and API for people and AI agents
Stage	Not given	Not given
Founded	Not given	Not given
Based in	Not given	Not given
Pricing model	Paid	Paid
Pricing	Starter: $29/month for up to 50 failed payments handled per month, 4-email AI sequence, Lost Revenue Finder win-back (90 days, Stripe). Pro: $79/month for unlimited recoveries, 5-email AI sequence, 12-month Lost Revenue Finder win-back, SMS, 8 languages, cancel flow & winback. 14-day free trial, no	One fee per payment: 0.49% on $0-$10, 0.39% on $10-$50, 0.29% on $50-$100, 0.19% on $100-$500, 0.14% on $500-$2,000, 0.09% on $2,000-$10,000, 0.04% on $10,000-$50,000, 0.02% on $50,000-$100,000, 0.01% above $100,000. Minimum $0.01, maximum $100. No subscription, setup fee or monthly minimum.
Key features	AI-personalized recovery emails written for specific failure reasons Lost Revenue Finder scans past 12 months of payment history Pre-dunning alerts before cards expire SMS recovery when email is ignored Works with 5 payment processors: Stripe, Paddle, Braintree, Chargebee, Recurly Winback campaigns for cancelled customers In-app cancellation survey and smart retention deflection offers Recovery emails in 8 languages 24/7 monitoring across all payment processors	REST API with scoped keys and batch drafts up to 25 per call Support for Bitcoin PSBT and batching wallets like Safe No KYC required, encrypted email storage only Idempotency keys for safe retries Shopify connection with custom app and setup help Fee collected separately on Ethereum and EVM chains via Safe batching
What makes it different	Only tool that scans past failed payments and launches win-back campaigns, not just catching new failures 85% cheaper than competitors with the same features Flat pricing with no commission on recovered revenue 3-minute setup with no code or engineers required 30-day money-back guarantee if recovery doesn't exceed costs	Not given
Free plan	Not given	Not given
Open source	Not given	Not given
Platforms	Not given	Not given
Public API	Not given	Not given
Community votes	0	0
DR (Domain Rating by Ahrefs)	3 no change since last check	6 +2 (up) since last check
Trust Flow (Majestic)	5	15
Citation Flow (Majestic)	23	28
Referring domains (Majestic)	13	35

4 details filled in for both companies.

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