InboxRhino vs Tigrmail
Both are receive-only APIs for automated tests. InboxRhino leads with a visual mailbox and named API keys. Indian GST invoicing is designed and marked coming soon; it is not live yet.
| Capability | InboxRhino | Tigrmail |
|---|---|---|
| Receive-only test inboxes | Yes | Yes |
| Wait-for-message API | Yes, up to 180s | Yes |
| Visual HTML inbox | Yes, sandboxed | Weak / limited |
| Multiple named API keys | Yes, rotate by revoke | Single key, awkward rotation |
| Easy inbox delete / quota release | Yes | Awkward |
| Free tier | 11 inboxes / 33 emails | 10 inboxes / 30 emails |
| INR / GST billing | Coming soon | No |
| SDKs / OTP extraction | Not in v1 | Limited |
See pricing and the quickstart.