Coldscale.io
Email Provider Reducing Cold Email Outreach Costs By 91%
lockrMail
Protect your inbox and optimize your browsing
Updated February 2026
| Coldscale.io | lockrMail | |
|---|---|---|
| Rating | 5.0★ | 5.0★ |
| Reviews | 1 | 8 |
| Pros | 0 | 13 |
| FactScore™ | 15.1 | 47.7 |
FactScore™ Comparison
FactScore™ weighs both quality (rating) and popularity (reviews) for a fairer ranking than stars alone.
Pros & Cons
Only in Coldscale.io — Pros
No unique pros listedBoth tools — Pros
—Only in lockrMail — Pros
Chrome extension Control over inbox Discount code notifications Easy to use Email management Automated filters Coupon code integration Loyalty program management Newsletter management No new inbox Online registration management Productivity improvement Site registration managementOnly in Coldscale.io — Cons
—Both tools — Cons
—Only in lockrMail — Cons
—Details
| Coldscale.io | lockrMail | |
|---|---|---|
| Categories | Email clients, Email marketing, Lead generation software | Email clients, Safety and Privacy platforms, Chrome Extensions |
| Platforms | Web | Web |
| Became Popular | February 14, 2024 | May 25, 2021 |
| Website | coldscale.io | lockrmail.com |
Who Should Pick Which?
Choose Coldscale.io if...
- No unique pros listed
Choose lockrMail if...
- Chrome extension
- Control over inbox
- Discount code notifications
With a FactScore™ of 15.1 vs 47.7, lockrMail leads in community reception. Coldscale.io uniquely offers No unique pros listed, while lockrMail stands out for Chrome extension and Control over inbox.
What Users Say
Coldscale.io
I have 36 inboxes at ColdScale for my marketing agencies' cold outreach. On Google Workspace, it cost me 252€, but now it only costs me 49€ pr. month, besides that i was super fast to setup.
lockrMail
5 Stars! I first used Lockr to filter out all the unwanted promotional emails, but the chrome extension takes the product to a whole new level. The extension conveniently populates the coupon codes...
LockrMail is a 5-star product and solution to a daily problem growing onus consumers like kudzu. There are moments I consider a) not buying from a merchant or b) stopping my browsing journey becaus...
I’ve been a supporter and user of lockrMail since day 1. I do like that it’s not necessarily a new inbox but also very excited to be able to read emails directly in the extension. Love the approach...
Related Comparisons
Frequently Asked Questions
Which is better, Coldscale.io or lockrMail?
Based on FactScore™, lockrMail leads with a score of 47.7 vs 15.1. lockrMail has a higher rating of 5.0★ compared to 5.0★.
What are the pros of Coldscale.io compared to lockrMail?
Coldscale.io uniquely offers: No unique pros listed.
What are the pros of lockrMail compared to Coldscale.io?
lockrMail uniquely offers: Chrome extension, Control over inbox, Discount code notifications, Easy to use, Email management.
Is Coldscale.io better rated than lockrMail?
Coldscale.io is rated 5.0★ from 1 reviews. lockrMail is rated 5.0★ from 8 reviews.
What is the FactScore™ of Coldscale.io and lockrMail?
FactScore™ weighs rating and review volume together. Coldscale.io scores 15.1 and lockrMail scores 47.7.
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