ATOM Signatures · Comparison
An Exclaimer alternative: one flat, all-inclusive price
Exclaimer is the market leader with the deepest feature set. If you don't need all of that — and prefer a flat price with no tiers or annual increases — here's how ATOM Signatures compares.
The comparison, point by point
| ATOM Signatures | Exclaimer | |
|---|---|---|
| Price | CAD $1 / user / month, all-inclusive | ≈ US$0.90 / 1.45 / 1.75 by plan |
| User minimum | No minimum | 10 users |
| Billing | Monthly, in Canadian dollars | USD, annual (reported ~8%/yr increases) |
| Data hosting | In Canada | EU / UK / US (no Canada region) |
| Québec Law 25 | Built for Québec's Law 25 | GDPR / US framing |
| Support | In French, from Québec | Global, English-first |
| Commitment | No commitment | Annual by default |
Prices verified in June 2026; they are indicative and may change. Always confirm with the vendor. ATOM Signatures: CAD $1 per user per month.
What Exclaimer does well
- The most complete suite: campaigns, banners, analytics, A/B, CRM/HR integrations.
- Strong security certifications (SOC 2, ISO 27001) and a high uptime guarantee.
- Server-side signatures on every device.
Where ATOM Signatures wins
- One all-inclusive price: no features locked behind a pricier tier.
- Flat CAD $1 compares well against Exclaimer's Standard and Pro plans.
- Canadian hosting and Law 25 — Exclaimer hosts in the EU/UK/US.
- Predictable price, without the reported annual renewal increases.
Our honest verdict
If you need marketing campaigns and advanced analytics, Exclaimer is richer. If you mostly want solid signatures everywhere at a flat, local price, ATOM Signatures does the job for less and more simply. (Note: Exclaimer's entry tier can be cheaper than $1 after conversion — compare on what's included, not price alone.)