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CMDK for Gmail VS ShowSubjectGmail

Compare CMDK for Gmail VS ShowSubjectGmail and see what are their differences

CMDK for Gmail

CMDK (previously known as Simplehuman) is a browser extension that brings advanced keyboard shortcuts and command bar to Gmail, and teaches how to use them as you use Gmail everyday ⚡️

CMDK for Gmail Command bar in Gmail
Rating
0 reviews
Pricing
Paid Free trial $4 / Monthly
Alternatives Is it good?
ShowSubjectGmail

Edit the "subject" field when replying in Gmail!

ShowSubjectGmail Landing page
Rating
0 reviews
Alternatives Is it good?
Warmup Inbox
Warmup Inbox is a tool that automates the process of warming up your email inboxes, raising your sender reputation and inbox health automatically. sponsored

Which is more popular?

Based on our record, CMDK for Gmail seems to be more popular. It has been mentioned 1 time since March 2021.

social mentions
1 vs 0
Email popularity
62% vs 38%
alternatives listed
49 vs 11

Base details

Website, pricing, platforms and company facts side by side.

CMDK for Gmail
ShowSubjectGmail
Website cmdk.email chromewebstore.google.com
Pricing
Paid Free trial $4 / Monthly Official pricing
—
Platforms
Google Chrome Arc Browser Edge Chromium +2
—
Company Startup from the United States · 1 - 9 employees · 2023 —
Listed in
Email Email Management Email Productivity Email Clients Gmail Tools +2
Email Marketing Email Marketing Platforms Developer Tools Email +1

About CMDK for Gmail and ShowSubjectGmail

In their own words, as submitted to SaaSHub.

CMDK for Gmail
ShowSubjectGmail

Use simpler keyboard shortcuts to navigate through email, archive, delete, switch between email in almost flow-state speeds. It brings the Superhuman shortcut experience right inside Gmail, without costing your $30/month. Features: 1. Superhuman shortcuts right inside Gmail - Esc, Snooze,...

Read more about CMDK for Gmail

No description of ShowSubjectGmail yet.

Features and specs

What each product offers, as listed by its team.

CMDK for Gmail 3 features
ShowSubjectGmail 0 features
  • Advanced keyboard shortcuts
    Keyboard shortcuts to navigate in Gmail - go to Inbox, go to Spam, RSVP to events, unsubscribe from emails.
  • Command bar
    To search for shortcuts and act on your email
  • Inbox Zero
    Non boring screen when you hit inbox zero

No features have been listed yet.

Analysis

An editorial look at what each product does well and who it suits.

CMDK for Gmail
ShowSubjectGmail

Overall verdict

  • CMDK for Gmail (cmdk.email) is a well-regarded productivity tool that brings keyboard-driven command palette functionality to Gmail, helping users navigate and manage their inbox faster without relying on the mouse.

Why this product is good

  • Provides a Spotlight/command-palette style interface for Gmail, letting you search, navigate, and act on emails quickly
  • Emphasizes keyboard shortcuts, which can significantly speed up common inbox tasks and reduce reliance on the mouse
  • Streamlines email workflows for power users who process high volumes of messages daily
  • Lightweight browser-based approach that integrates directly into the Gmail interface
  • Appeals to those who value efficiency and want to keep their hands on the keyboard

Recommended for

  • Power users and professionals who process large volumes of email daily
  • Keyboard-shortcut enthusiasts who prefer command-palette style navigation
  • Developers, founders, and knowledge workers seeking to speed up inbox management
  • Anyone using Gmail who wants a faster, more efficient email workflow

Overall verdict

  • ShowSubjectGmail is a lightweight, focused Chrome extension that solves a genuine annoyance in Gmail by making full email subject lines visible in the inbox list, making it a useful and low-risk add-on for heavy email users.

Why this product is good

  • It expands truncated subject lines so you can read the full topic of an email without opening it
  • It's a simple, single-purpose tool that does one job well without unnecessary bloat
  • Being free and lightweight, it has minimal impact on browser performance
  • It improves inbox scanning efficiency, helping you triage messages faster
  • Easy to install and use with little to no configuration required

Recommended for

  • Heavy Gmail users who process large volumes of email daily
  • Professionals who rely on subject lines to prioritize and triage messages
  • People with long or detailed email subjects that get cut off in the default view
  • Users who prefer minimal, single-purpose extensions over feature-heavy ones

Category popularity

How often each product is chosen within a category, 0–100% relative to the other.

Score bands 0–20 21–40 41–50 51–60 61–100
CMDK for Gmail
ShowSubjectGmail
62% 62%
Email
38% 38%
100% 100%
Email Clients
0% 0%
0% 0%
Developer Tools
100% 100%
100% 100%
Email Management
0% 0%

Questions & Answers

As answered by people managing CMDK for Gmail and ShowSubjectGmail.

What makes your product unique?

CMDK for Gmail's answer

The only app out there which adds superhuman type keyboard shortcuts to Gmail, without the hefty price of $30/month.

What's the story behind your product?

CMDK for Gmail's answer

I was a user of Superhuman for over 2 years and got tired of paying $30/month. I wanted the best features of Superhuman right inside Gmail, and thats when I started working on this browser extension.

Which are the primary technologies used for building your product?

CMDK for Gmail's answer

Javascript, LLMs.

Why should a person choose your product over its competitors?

CMDK for Gmail's answer

If you want to continue using Gmail but also want the Superhuman email experience.

Who are some of the biggest customers of your product?

CMDK for Gmail's answer

We have executives from Reddit, Netflix, Microsoft, Flipkart using Simplehuman.

How would you describe the primary audience of your product?

CMDK for Gmail's answer

Small business owners, founders, executive assistants, sales reps. Anyone who uses email a lot in their day.

User comments

Share your experience with using CMDK for Gmail and ShowSubjectGmail. For example, how are they different and which one is better?

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Social recommendations and mentions

Recommendations tracked on public social media and blogs since March 2021.

CMDK for Gmail 1 mention
ShowSubjectGmail 0 mentions

Tracking ShowSubjectGmail since Mar 2021.

Alternatives to CMDK for Gmail and ShowSubjectGmail

When comparing CMDK for Gmail and ShowSubjectGmail, you can also consider the following products.

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