Control D
Stop thinking about DNS
MemSync
Unified Memory for all of your apps
Updated February 2026
| Control D | MemSync | |
|---|---|---|
| Rating | 4.3★ | 5.0★ |
| Reviews | 12 | 15 |
| Pros | 0 | 10 |
| FactScore™ | 48.2 | 60.2 |
FactScore™ Comparison
FactScore™ weighs both quality (rating) and popularity (reviews) for a fairer ranking than stars alone.
Pros & Cons
Only in Control D — Pros
No unique pros listedBoth 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 AIOnly in Control D — Cons
—Both tools — Cons
—Only in MemSync — Cons
Simple interfaceDetails
| Control D | MemSync | |
|---|---|---|
| Categories | Safety and Privacy platforms, Security software | Safety and Privacy platforms, Prompt Engineering Tools, LLM Memory |
| Platforms | Web | Web |
| Became Popular | April 26, 2021 | August 20, 2025 |
| Website | controld.com | chromewebstore.google.com |
Who Should Pick Which?
Choose Control D if...
- No unique pros listed
Choose MemSync if...
- Context aware
- E2E encryption
- Personalized prompts
With a FactScore™ of 48.2 vs 60.2, MemSync leads in community reception. Control D uniquely offers No unique pros listed, while MemSync stands out for Context aware and E2E encryption.
What Users Say
Control D
It has a pleasant UI and is easy to use. There is a good amount of customization options. Their own Adblock filter is well enough. Slow while loading pages and streaming video. The customer support...
Ignore the last 2 reviews as these people don't know what they're talking about. Control D is a DNS resolver, that blocks malware and ads (really well). Yes you can do "geo-unblocking" with it but ...
Best VPN service I ever used. Retired my pihole, and could not be happier.
MemSync
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...
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...
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,...
Related Comparisons
Frequently Asked Questions
Which is better, Control D or MemSync?
Based on FactScore™, MemSync leads with a score of 60.2 vs 48.2. MemSync has a higher rating of 5.0★ compared to 4.3★.
What are the pros of Control D compared to MemSync?
Control D uniquely offers: No unique pros listed.
What are the pros of MemSync compared to Control D?
MemSync uniquely offers: Context aware, E2E encryption, Personalized prompts, Cross-platform integration, Multi-model support.
Is Control D better rated than MemSync?
Control D is rated 4.3★ from 12 reviews. MemSync is rated 5.0★ from 15 reviews.
What is the FactScore™ of Control D and MemSync?
FactScore™ weighs rating and review volume together. Control D scores 48.2 and MemSync scores 60.2.
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