BareMetrics might be a bit more popular than Email List Verify. We know about 2 links to it since March 2021 and only 2 links to Email List Verify. We are tracking product recommendations and mentions on various public social media platforms and blogs. They can help you identify which product is more popular and what people think of it.
If you're not getting the right email addresses from ContactOut and it's bouncing back, you could always run the email addresses through something like emaillistverify.com to make sure they're valid before you try to email them. (you should do that always anyway to protect your email deliverability). Source: almost 2 years ago
Emaillistverify.com is the service I use. Source: almost 2 years ago
One solution out there is https://baremetrics.com/ that can connect to your stripe account and get you some analytics from it. Not sure they have integrations with accounting software though. Source: over 2 years ago
Baremetrics (https://baremetrics.com/) does a really great job for subscription accounts and related revenue. Also, they have this awesome Academy section where they define each of the metrics and help you understand them better. Source: over 2 years ago
NeverBounce - Real-time email verification and cleaning to ensure emails never bounce.
ChartMogul - Master your recurring revenue. Advanced subscription analytics with one-click.
ZeroBounce - Removes invalid emails from your list to prevent email bounces from ruining your deliverability.
ProfitWell - SaaS Metrics for Stripe. Absolutely Free.
Email Verifier - Email verifier app lets you verify email.
RevenueCat - In-app subscriptions made easy