SpinUp Email vs Nudgebox

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

SpinUp Email compared with Nudgebox
Detail	SpinUp Email	Nudgebox
What it does	Business email without the bloat	Push notifications as an API
Stage	Not given	Not given
Founded	Not given	Not given
Based in	Not given	Not given
Pricing model	Paid	Freemium
Pricing	Standard Mailbox: $3.00 USD per mailbox/month (or $1.00/month billed annually). SpinUp Email Plus: $4.00 USD per mailbox/month (or $2.00/month billed annually). Archiving: $6.00 USD per mailbox/month (or $3.00/month billed annually). All plans backed by 30-day money-back guarantee. Save up to 67% wi	Free: $0/month with 2 applications, 100 subscribers, 1,000 notifications per month, 25,000 deliveries per month, 100 scheduled notifications, 3 team members, 5 API keys. Pro: $29/month (billed monthly, cancel anytime) with 25 applications, unlimited subscribers, 250,000 notifications per month, 2,50
Key features	25 GB mailbox storage and 30 GB file storage IMAP, POP, and SMTP access Premium spam and virus protection ActiveSync across desktop and mobile Shared calendars and contacts MS Office-compatible apps Instant messaging Unlimited storage for archived email Advanced search capabilities 24x7x365 expert human support	One-request API for sending notifications to all subscribers, channels, or individual users QR code subscription model with no account or personal data collection Idempotent retries to ensure notifications are never delivered twice Channel-based targeting for segmented notifications No SDK, device tokens, or push certificates required
What makes it different	Free and easy migrations from existing email providers 30-day money-back guarantee with no long-term contracts No data mining or ads 100% targeted uptime	Single HTTPS endpoint with no SDK or device token management required Full subscriber control with ability to pause, change channels, or unfollow at any time
Community votes	0	0
DR (Domain Rating by Ahrefs)	13 −1 (down) since last check	Not checked yet no change since last check
Trust Flow (Majestic)	3	4
Citation Flow (Majestic)	23	9
Referring domains (Majestic)	22	4

5 details filled in for both companies.

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