TempMail4u vs TempMail.so

Provides on-demand inboxes that disappear after use, similar core function but no custom domain or forwarding.

Side by side

What it is: TempMail4u:Inbox On-Demand. Gone When You’re Done.; TempMail.so:TempMail.so provides disposable email addresses that auto-expire, with optional custom domains and forwarding.
Best for: TempMail4u:Inbox-on-demand temp mail; TempMail.so:Disposable email with auto-expiration and custom domains
Who it’s for: TempMail4u:—; TempMail.so:Developers, privacy-concerned users, and anyone needing short-term email addresses.
Pricing: TempMail4u:Free; TempMail.so:Freemium
Plans: TempMail4u:—; TempMail.so:Free $0/month · Premium $9.90/month per month · Premium (annual) $60/year per year
Works with: TempMail4u:—; TempMail.so:API
DevHunt upvotes: TempMail4u:0; TempMail.so:2
Launched on DevHunt: TempMail4u:Jan 2026; TempMail.so:Jun 2025

Inbox On-Demand. Gone When You’re Done.

Auto-Expiration. Emails delete automatically after a chosen time period.
Custom Domain Support. Create temporary addresses using your own domain name.
Email Forwarding. Forward received messages to your primary inbox.
Save for Later. Save temporary addresses to your account for long-term use.
Instant Setup. Generate a temp address with a single click, no sign-up required.
API Access. Programmatically create and manage temporary inboxes via API.

Based on each tool's website and DevHunt data. Details may change; check the official sites.