Mailshake
- Starting price: $29/user/month
- Free plan: 30-day money-back guarantee
- Founded: 2017
- HQ: Austin, TX, USA
Mailshake lives or dies by sender reputation - warmup pools, IP rotation, inbox health. The side-by-side comparison below weighs Mailshake's deliverability stack and per-seat scaling against Derrick's upstream model: clean Sheets-side enrichment first, send wherever your stack already sends from.
Verified contact details, on demand.
https://app1.derrick-app.com/mcp Call the same enrichment endpoints from your own stack or workflow.
Read the API docs →✓ Free forever · ✓ No credit card · ✓ Cancel anytime
Hands Down best extension for sheets till date. It eased up my linkedin lead collection journey by 10x. Thank you!! Rahul Nair from Google Workspace Marketplace
This tool makes enriching LinkedIn URLs incredibly easy. You can enrich both personal and company profiles with a single click, and the Google Sheets integration is a game-changer. Pankaj Rohilla from Google Workspace Marketplace
Great extension. There's bigger companies that do 1000x less. Go with Derrick. Ben Leinen from Google Workspace Marketplace
This is one hell of a magical tool, it has blown my mind already, it's so handy, just love it. I am exploring how much more I can do with it Jagdip Gohil from Google Workspace Marketplace
Loving the smoothness of the experience especially on Chrome. Great value for the price as well. GB Alao from Google Workspace Marketplace
I was looking for a tool to enrich LinkedIn data. Very easy to use. Keith Hildebrand from Google Workspace Marketplace CURSOR Easy to enhance contacts by running bulk lists. Try it James Finlayson from Google Workspace Marketplace +31,000 others 3 core reasons SDRs and ops teams switch to Derrick. Click to expand each.
Mailshake and Saleshandy both run as standalone platforms - separate UIs, separate logins, CSV exports + imports to move data into your CRM or spreadsheet. Derrick skips that entire layer : you enrich a Google Sheet with a formula (=DERRICK_EMAIL, =DERRICK_PHONE, =DERRICK_TECH) and the column populates inline. No platform-switching, no CSV round-trip.
The total-cost-of-ownership math : at Mailshake's $29/user/month or Saleshandy's $23/month (annual) entry tier, a 3-seat team runs $150-600/month in year 1. Derrick from €9/month is €108/year total. The break-even on switching pays back in week 2 for most teams.
The AI-agent stack in 2026 looks different : Claude calls MCP-enabled tools directly, no glue code. Derrick was built MCP-native from day one. Pairing Mailshake or Saleshandy with an AI agent still means setting up Zapier flows, parsing JSON responses, and handling rate limits manually.
We're upfront - every tool has strengths. Here's where Mailshake, Saleshandy, and Derrick each genuinely win.
Headline pricing rarely tells the whole story. Here's the real cost of running each tool for a year.
| Mailshake | Saleshandy | Derrick | |
|---|---|---|---|
| Starting price (monthly) | $29/user/month | $23/month (annual) | €0 (free) · €9/mo paid |
| Annual cost (base) | ~€348/yr | ~€276/yr | €0/yr free · ~€108/yr paid |
| Free plan? | 30-day money-back guarantee | 7-day free trial | ✓ Forever - 100 credits/mo |
| Setup cost | Hours to days | Hours to days | 30 seconds via Marketplace |
| Switching cost | CSV export + retraining | CSV export + retraining | Zero - works alongside any stack |
💡 Most teams pay 2-5x more on add-ons (extra seats, phone credits, integrations) than on the headline base price. Derrick keeps everything in one transparent tier.
| Mailshake | Derrick App | Saleshandy | |
|---|---|---|---|
| Entry price | $29/user/month | Free plan · from €9/month | $23/month (annual) |
| Free plan | 30-day money-back guarantee | Free plan, 100 credits/month | 7-day free trial |
| Typical use | Traditional SDR teams on Salesforce | Sheet-native enrichment | Cold email at scale, agencies |
| Category positioning | Sales engagement | Spreadsheet-native B2B data | Cold email outreach |
| Founded | 2017 | 2022 | 2015 |
| Mailbox model | Per-user (1-5 mailboxes/seat) | N/A - data not sender | Unlimited on all paid tiers |
| Built-in warm-up | Basic, no private network | N/A | Included free |
| AI personalization | Added 2024, less mature | Via LLM integrations | Basic (spintax + merge tags) |
| Bundled B2B database | Standalone | Derrick search + enrich | 700M contacts on Outreach Pro+ |
| Works natively in Google Sheets | ✕ | ✓ | ✕ |
| Per-row pricing (credits roll over) | ✕ | ✓ | ✕ |
| MCP-ready for AI / LLM agents | ✕ | ✓ | ✕ |
Sales engagement $29/user/month
Best for: Traditional SDR teams on Salesforce
Mailshake starts at $29/user/month. Sales engagement, with positioning around traditional sdr teams on salesforce. Full tier-by-tier breakdown including credit caps, seat economics, and hidden line items lives on the dedicated Mailshake pricing page.
Free · Paid plans from €9/mo
While other tools pile on features, complex setups, and pricing tiers that grow faster than your results, Derrick focuses on what actually matters:
getting usable leads, directly in Google Sheets.
No heavy workflows, No endless configuration. No learning curve.
Verified contact details, on demand.
https://app1.derrick-app.com/mcp Call the same enrichment endpoints from your own stack or workflow.
Read the API docs →
Cold email outreach $23/month (annual)
Best for: Cold email at scale, agencies
Cold email outreach category : Saleshandy entry tier is $23/month (annual). Typical use : cold email at scale, agencies. See the complete Saleshandy pricing page for tier comparison, credit cap behaviour, and annual-vs-monthly delta.
Derrick is a Google Workspace app - no formulas to learn, no pipelines to migrate, no engineering work. Add it to Google Sheets and you're enriching in under a minute.
Click the install button on our Marketplace listing and grant Google Sheets access. No credit card required - you start with 100 free credits per month.
Open a Sheet with your prospect list (paste a CSV from Mailshake, scrape from LinkedIn Sales Navigator, or import from your CRM). Click Extensions → Derrick and the sidebar opens with all enrichment features ready to use.
Select the column with names, LinkedIn URLs, or company domains. Pick what you want - emails, phone numbers, LinkedIn data, company info, tech stack - and click "Enrich". Derrick fills the columns directly in your Sheet. No exports, no pipelines, no waiting.
100 free credits / month · No credit card · Cancel anytime
Customer stories
See what our customers say about Derrick.
"This app saved me so much time and effort. Great for anyone looking to build a contact list or network at scale quickly. As a start-up it's been invaluable."
"Working pretty nifty compared to Snov.Io. Price wise it does give a fair shake, and IMO better interface since it's google sheets."
"Derrick is a very simple and user-friendly app to enrich your contacts database. Best thing: you can test it for free. And then the price is so low, it's a no brainer."
"I have been using other expensive apps or freemium like phantombuster, but Derrick has replaced them all. I love the simplicity of the Google sheet add-in, but what is best is the efficiency it delivers."
"Super easy to enrich linkedin urls using this tool. Both personal and company url data can be easily enriched with a click of a button."
"Amazing Tool, I would like to advocate this to my colleagues. So that you can get more users. Keep it Up. 5 Stars!"
"The LinkedIn scraping and email finder combo is incredibly powerful. I can build a complete prospect list with contact info in under an hour. Absolute must-have for outbound."
"This app is fantastic. Brilliantly created to help small and mid sized businesses."
"Have tested over 10+ LI scraper apps, Derrick beats them all. Simple to use, accurate data, and affordable price."