lockrMail

Protect your inbox and optimize your browsing

★★★★★ 5.0/5
FactScore™ 47.7
VS

UX HeatGrid

Visualize user attention and content density in real time

FactScore™ 0

Updated February 2026

lockrMail UX HeatGrid
Rating 5.0★ N/A
Reviews 8 0
Pros 13 0
FactScore™ 47.7 0

FactScore™ Comparison

FactScore™ weighs both quality (rating) and popularity (reviews) for a fairer ranking than stars alone.

👑
47.7
lockrMail FactScore™
★ lockrMail wins on FactScore™
UX HeatGrid FactScore™

Pros & Cons

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 management

Both tools — Pros

Only in UX HeatGrid — Pros

No unique pros listed

Only in lockrMail — Cons

Both tools — Cons

Only in UX HeatGrid — Cons

Details

lockrMail UX HeatGrid
Categories Email clients, Safety and Privacy platforms, Chrome Extensions Chrome Extensions, User research
Platforms Web Web
Became Popular May 25, 2021 February 7, 2026
Website lockrmail.com heykaan.dev

Who Should Pick Which?

Choose lockrMail if...

  • Chrome extension
  • Control over inbox
  • Discount code notifications

Choose UX HeatGrid if...

  • No unique pros listed

With a FactScore™ of 47.7 vs 0, lockrMail leads in community reception. lockrMail uniquely offers Chrome extension and Control over inbox, while UX HeatGrid stands out for No unique pros listed.

3

What Users Say

lockrMail

E
Ethan May 25, 2021
★★★★★

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...

K
Ken May 25, 2021
★★★★★

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...

R
Ryan Nov 14, 2023
★★★★★

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...

UX HeatGrid

No reviews yet

Frequently Asked Questions

Which is better, lockrMail or UX HeatGrid?

Based on FactScore™, lockrMail leads with a score of 47.7 vs 0. lockrMail has a higher rating of 5.0★ compared to N/A★.

What are the pros of lockrMail compared to UX HeatGrid?

lockrMail uniquely offers: Chrome extension, Control over inbox, Discount code notifications, Easy to use, Email management.

What are the pros of UX HeatGrid compared to lockrMail?

UX HeatGrid uniquely offers: No unique pros listed.

Is lockrMail better rated than UX HeatGrid?

lockrMail is rated 5.0★ from 8 reviews. UX HeatGrid is rated N/A★ from 0 reviews.

What is the FactScore™ of lockrMail and UX HeatGrid?

FactScore™ weighs rating and review volume together. lockrMail scores 47.7 and UX HeatGrid scores 0.

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