- You want spam testing, inbox placement, client previews, an AI eye-tracking heatmap and an AI assistant in one plan: free tier with no card, paid from $9/mo
- You send below enterprise volume. 2026 reviews call Everest a poor fit for senders under roughly 500K emails/month and say its depth needs a dedicated resource
- You want to start today, not in a sales cycle: Unspam results arrive in about 30 seconds, versus the 1–2 week provisioning users report for Everest
- You want published, predictable pricing with a 14-day no-questions-asked refund instead of negotiated annual contracts
A Validity Everest alternative that starts free, not at five figures
Validity Everest is an enterprise deliverability platform (seed-list placement, reputation and DMARC monitoring) sold on sales-quoted annual contracts and now merging into Litmus. Unspam covers spam testing, inbox placement, client previews and AI heatmaps in one self-serve plan, free to start.
Which one fits you?
- You need ongoing DMARC aggregate-report monitoring. Everest collects DMARC reports continuously with compliance alerts; Unspam checks SPF/DKIM/DMARC per test only
- You need the largest seed network and certification: Everest claims thousands of seeds across 140 ISPs plus a Sender Certification allowlisting program. Unspam's placement tests cover 6+ major providers and there is no certification programme
- You are a high-volume enterprise sender (roughly 500K+ emails/month) with a dedicated deliverability function and budget for a five-figure annual contract
Unspam vs Validity Everest, feature by feature.
Based on public product pages and documentation. Spotted something outdated? Tell us in the chat and we’ll fix it.
What each one costs.
Validity no longer publishes Everest pricing. The figures below are contract benchmarks reported by buyers, not list prices. As of June 2026 pricing routes through Litmus sales.
- Free $0
10 spam tests, 10 previews, 10 heatmaps, 3 inbox placement tests per month. AI assistant included.
- Basic $9/mo
50 spam tests, 50 previews, 10 heatmaps, 10 inbox placement tests per month. Historical results.
- Business $19/mo
200 spam tests, 200 previews, 50 heatmaps, 50 inbox placement tests per month. Historical results.
- Agency from $29/mo
500 spam tests, 500 previews, 250 heatmaps, 250 inbox placement tests per month.
- White Label Custom
Spam tests, previews, heatmaps, and inbox tests sized to your contract. Custom API access.
- Everest Professional ~$36,828/yr list
Full deliverability suite: inbox placement seed tests, reputation/blocklist monitoring, infrastructure (SPF/DKIM/DMARC) monitoring, engagement analytics
Median negotiated price ~$22,500/yr, per Vendr contract data.
- Everest Enterprise From ~$106,000/yr list
Higher volumes/limits, full seed network (140 ISPs), API, dedicated support
Median negotiated price ~$57,558/yr, per Vendr contract data.
- Litmus Enterprise + Deliverability Contact sales
Litmus platform with optional Deliverability upgrade that 'includes access to Everest'
Pricing unpublished.
Validity Everest pricing and feature information was collected from publicly available sources in June 2026 and may have changed since; it is provided for general comparison only and is not guaranteed to reflect current offers. Confirm current pricing on the vendor's website. Validity Everest is a trademark of its respective owner. Unspam is not affiliated with or endorsed by Validity Everest.
Why teams move from Validity Everest to Unspam.
Pricing you can actually see
Everest has no published prices as of June 2026: its pricing page now redirects to Litmus, which lists no dollar amounts. Vendr contract data puts Everest Professional at ~$36,828/yr list (median negotiated ~$22,500/yr) and Enterprise from ~$106,000/yr. Unspam publishes every plan: free tier, paid from $9/mo, 14-day refund.
Previews and heatmaps in the same tool
Everest's deliverability module has no heatmap, and client previews and spam-filter content testing now sit on the Litmus side of the merged platform. Unspam bundles spam scoring, seed-list placement, previews and AI eye-tracking heatmaps in one plan, including the free one.
Sized for normal sending volumes
Multiple 2026 reviews say Everest 'becomes overwhelming without a dedicated resource' and is a poor fit under ~500K emails/month, with G2 reviewers calling the price steep and reporting days-long support responses. Unspam takes about 30 seconds per test and needs no onboarding call.