Kaspr vs Mailshake

Both tools are listed under Conversational Voice Calling Agents, and both have been fact-checked by a named editor. This page lines up their structured data and quotes each review’s limitations and pricing notes; it does not pick a winner.

Kaspr

B2B contact enrichment platform and Chrome extension providing direct European phone numbers and verified business emails from LinkedIn profiles.

Pricing: Free plan · $0/mo · Enterprise plan · Autonomy: L2 · Workflow copilot · Moat: 3.6/5.0 (Proprietary moat)

Target fit: B2B SaaS, Creators / Solo (Browser Extension)

Read the Kaspr review

Mailshake

Sales engagement and outbound automation platform orchestrating multi-channel email sequencing, cold outreach deliverability, integrated VoIP calling.

Pricing: From $12/mo · Autonomy: L2 · Workflow copilot · Moat: 3.6/5.0 (Proprietary moat)

Target fit: B2B SaaS, Creators / Solo (Web SaaS)

Read the Mailshake review

How Kaspr and Mailshake differ

Pricing model: Kaspr is freemium, Mailshake is subscription.
Kaspr has a free plan; none is recorded for Mailshake.
Delivery: Kaspr is a Browser Extension product; Mailshake is a Web SaaS product.
Mailshake was founded earlier (2015) than Kaspr (2018).
Headquarters: Kaspr in Paris, Ile-de-France, France, Mailshake in Austin, Texas.

Computed from the fields below. Only editor-verified ratings and vendor-sourced prices are compared.

Side-by-side facts

Field	Kaspr	Mailshake
Subtrack	Conversational Voice Calling Agents	Conversational Voice Calling Agents
Pricing	Free plan · $0/mo · Enterprise plan	From $12/mo
Pricing model	Freemium	Subscription
Free access	Free plan	No free plan disclosed
Enterprise plan	Yes	Not recorded
AI autonomy level	L2 · Workflow copilot	L2 · Workflow copilot
Moat tier	Proprietary moat	Proprietary moat
Delivery	Browser Extension	Web SaaS
Audience	B2B SaaS, Creators / Solo	B2B SaaS, Creators / Solo
Headquarters	Paris, Ile-de-France, France	Austin, Texas
Fact-checked	Anna Xia, Oct 15, 2026	Anna Xia, Oct 15, 2026

AI Head-to-Head Procurement Simulator · Evidence-Locked Dossier

Kaspr vs Mailshake: TCO & constraint stress test

Test how both tools behave under your team size, monthly budget ceiling, CRM ecosystem, and governance guardrails.

1. Team / Seat Scale

2. Monthly Budget Ceiling

3. Primary Stack

4. Guardrail

Under a 5-seat / $800/mo profile, Mailshake carries lower procurement friction (Low Procurement Risk · Strong Fit) than Kaspr (High Deal-Risk · Constraint Mismatch). Mailshake publishes a self-serve floor (From $12/mo), whereas Kaspr requires a custom quote (Free plan · $0/mo · Enterprise plan).

Kaspr

High Deal-Risk · Constraint Mismatch

Estimated Floor (5 Seats · Enterprise / Custom)Custom Quote (Free plan · $0/mo · Enterprise plan)Vendor does not publish a self-serve USD floor on its pricing page; requires sales qualification.Sales-gated pricing vs. $800/mo cap (High quote risk)

Opaque Enterprise Quoting vs. SMB/Mid-Market Budget: Kaspr does not disclose a public self-serve floor (Free plan · $0/mo · Enterprise plan). Buyers with a $800/mo cap face high sales-qualification friction.
Published Self-Serve Entry Floor: Kaspr publishes a transparent entry point (Free plan · $0/mo · Enterprise plan) with a free tier for initial validation before committing.
Usage / Credit Burn Volatility: Kaspr uses credit or usage-metered billing (Free plan · $0/mo · Enterprise plan). High-volume automated workflows across 5 seats can trigger mid-cycle overage charges.
Tier Fit for 5-Seat Scale: Entry / Starter ($59/mo): Verified $59/mo published rate on vendor pricing schedule.

Walk-Away Rule: Walk away if your workflow requires uncapped enterprise volume on the Free plan · $0/mo · Enterprise plan entry plan without upgrading tiers.

Negotiation Lever: Validate exact quota thresholds (seats, credits, or API calls) included in Kaspr's Free plan · $0/mo · Enterprise plan tier before converting from monthly to annual billing.

Kaspr Pricing ↗Full Kaspr Review →

Mailshake

Low Procurement Risk · Strong Fit

Estimated Floor (5 Seats · Starter)$29 / mo ($348 / yr on Starter)Stepped to Starter ($29/mo) for 5-seat team capacity (entry tier starts at $12/mo).Fits within $800/mo cap (4% of ceiling at base floor)

Published Self-Serve Entry Floor: Mailshake publishes a transparent entry point (From $12/mo) for initial validation before committing.
Tier Fit for 5-Seat Scale: Starter ($29/mo): For businesses starting an outreach program
Primary Operational Bottleneck: Autonomous Conversational Voice Capabilities: Unlike dedicated voice agents that conduct autonomous bi-directional speech conversations, the calling component is an assistive softphone that requires direct human execution.

Walk-Away Rule: Walk away if your workflow requires uncapped enterprise volume on the From $12/mo entry plan without upgrading tiers.

Negotiation Lever: Validate exact quota thresholds (seats, credits, or API calls) included in Mailshake's From $12/mo tier before converting from monthly to annual billing.

Mailshake Pricing ↗Full Mailshake Review →

Interactive Head-to-Head Scenario Red-Teamer · Fact-Gate Verified

Limitations

Kaspr

Operational considerations and platform boundaries include: DOM Dependency: Third-party interface adjustments by LinkedIn can disrupt client-side DOM scraping elements, requiring regular patch deployments to restore overlay functionality.

Full limitations in the Kaspr review

Mailshake

Operational considerations and platform boundaries include: Autonomous Conversational Voice Capabilities: Unlike dedicated voice agents that conduct autonomous bi-directional speech conversations, the calling component is an assistive softphone that requires direct human execution.

Full limitations in the Mailshake review

Pricing notes

Kaspr: Free plan · $0/mo · Enterprise plan

Kaspr utilizes a credit-based subscription model. Sourcing teams can test data accuracy via an ongoing free tier configured at $0 per month, which supplies basic monthly allocations of email and phone credits.

Pricing details in the Kaspr review

Kaspr pricing page

Mailshake: From $12/mo

Mailshake operates on a per-seat software-as-a-service model with access starting from $12/month. Functional tiers scale based on multi-channel voice capabilities and contact volumes, with plans such as the Starter tier published at $29/month.

Pricing details in the Mailshake review

Mailshake pricing page

Frequently asked questions: Kaspr vs Mailshake

How does Kaspr pricing compare to Mailshake in 2026?

Kaspr is listed at Free plan · $0/mo · Enterprise plan (freemium, free plan), whereas Mailshake is listed at From $12/mo (subscription, no free plan disclosed).

How do Kaspr and Mailshake compare on AI autonomy and moat depth?

On the MarTechRadar L1–L5 scale, Kaspr is rated L2 · Workflow copilot with a Proprietary moat moat (3.6/5.0), while Mailshake is rated L2 · Workflow copilot with a Proprietary moat moat (3.6/5.0).

Which teams are Kaspr and Mailshake built for?

Kaspr is a Browser Extension product in Conversational Voice Calling Agents designed for B2B SaaS, Creators / Solo. Mailshake is a Web SaaS product in Conversational Voice Calling Agents designed for B2B SaaS, Creators / Solo.

What are the main limitations of Kaspr vs Mailshake?

For Kaspr: Operational considerations and platform boundaries include: DOM Dependency: Third-party interface adjustments by LinkedIn can disrupt client-side DOM scraping elements, requiring regular patch deployments to restore overlay functionality. For Mailshake: Operational considerations and platform boundaries include: Autonomous Conversational Voice Capabilities: Unlike dedicated voice agents that conduct autonomous bi-directional speech conversations, the calling component is an assistive softphone that requires direct human execution.

Excerpts are quoted verbatim from each fact-checked review. Last updated Oct 15, 2026.