lockrMail

Protect your inbox and optimize your browsing

★★★★★ 5.0/5
FactScore™ 47.7
VS

MemSync

Unified Memory for all of your apps

★★★★★ 5.0/5
FactScore™ 60.2

Updated February 2026

lockrMail MemSync
Rating 5.0★ 5.0★
Reviews 8 15
Pros 13 10
FactScore™ 47.7 60.2

FactScore™ Comparison

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

47.7
lockrMail FactScore™
👑
60.2
MemSync FactScore™
★ MemSync wins on 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 MemSync — Pros

Context aware E2E encryption Personalized prompts Cross-platform integration Multi-model support Simple interface Easy data management No setup required Collaboration features Customizable AI

Only in lockrMail — Cons

Both tools — Cons

Only in MemSync — Cons

Simple interface

Details

lockrMail MemSync
Categories Email clients, Safety and Privacy platforms, Chrome Extensions Safety and Privacy platforms, Prompt Engineering Tools, LLM Memory
Platforms Web Web
Became Popular May 25, 2021 August 20, 2025
Website lockrmail.com chromewebstore.google.com

Who Should Pick Which?

Choose lockrMail if...

  • Chrome extension
  • Control over inbox
  • Discount code notifications

Choose MemSync if...

  • Context aware
  • E2E encryption
  • Personalized prompts

With a FactScore™ of 47.7 vs 60.2, MemSync leads in community reception. lockrMail uniquely offers Chrome extension and Control over inbox, while MemSync stands out for Context aware and E2E encryption.

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...

MemSync

S
saeed Aug 21, 2025
★★★★★

This is exactly what I needed! I use ChatGPT and Claude daily but I'm constantly having to explain the same stuff over and over my preferences, my context, what I'm working on. So annoying! Why 5 s...

A
abdul Aug 20, 2025
★★★★★

MemSync has become my go-to tool for productivity.” I really like how smoothly it integrates with AI apps like ChatGPT. No more wasting time with repeated prompts — it remembers context across sess...

G
Gabriel Aug 21, 2025
★★★★★

MemSync AI impresses with its integration of Gemini, Grok, ChatGPT, and Claude, offering a personalized memory vault that eliminates cold-start issues. The one-click prompt optimization saves time,...

Frequently Asked Questions

Which is better, lockrMail or MemSync?

Based on FactScore™, MemSync leads with a score of 60.2 vs 47.7. MemSync has a higher rating of 5.0★ compared to 5.0★.

What are the pros of lockrMail compared to MemSync?

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

What are the pros of MemSync compared to lockrMail?

MemSync uniquely offers: Context aware, E2E encryption, Personalized prompts, Cross-platform integration, Multi-model support.

Is lockrMail better rated than MemSync?

lockrMail is rated 5.0★ from 8 reviews. MemSync is rated 5.0★ from 15 reviews.

What is the FactScore™ of lockrMail and MemSync?

FactScore™ weighs rating and review volume together. lockrMail scores 47.7 and MemSync scores 60.2.

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