MemSync
Unified Memory for all of your apps
Opal: Screen Time Control
The fun, free Screen Time app to improve your focus.
Updated February 2026
| MemSync | Opal: Screen Time Control | |
|---|---|---|
| Rating | 5.0★ | 4.8★ |
| Reviews | 15 | 5 |
| Pros | 10 | 0 |
| FactScore™ | 60.2 | 37.4 |
FactScore™ Comparison
FactScore™ weighs both quality (rating) and popularity (reviews) for a fairer ranking than stars alone.
Pros & Cons
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 AIBoth tools — Pros
—Only in Opal: Screen Time Control — Pros
No unique pros listedOnly in MemSync — Cons
Simple interfaceBoth tools — Cons
—Only in Opal: Screen Time Control — Cons
—Details
| MemSync | Opal: Screen Time Control | |
|---|---|---|
| Categories | Safety and Privacy platforms, Prompt Engineering Tools, LLM Memory | Safety and Privacy platforms, Apps for kids |
| Platforms | Web | Web · iOS · Android |
| Became Popular | August 20, 2025 | January 26, 2021 |
| Website | chromewebstore.google.com | www.opal.so |
Who Should Pick Which?
Choose MemSync if...
- Context aware
- E2E encryption
- Personalized prompts
Choose Opal: Screen Time Control if...
- No unique pros listed
With a FactScore™ of 60.2 vs 37.4, MemSync leads in community reception. MemSync uniquely offers Context aware and E2E encryption, while Opal: Screen Time Control stands out for No unique pros listed.
What Users Say
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,...
Opal: Screen Time Control
I really like Opal for helping me stay focused during the workday. But also for the opposite, to being able to relax on the weekend and not being allowed to visit apps like Slack, Gmail etc. Has re...
The difference is Opal actually works. I thought maybe it would be gimmicky but within a few days it forever changed my relationship with my phone. It creates the right amount of friction to keep y...
Love it! 😻 Been using the app for year+ and convinced easily 10+ people to use it. It's a game changer for schools!
Related Comparisons
Frequently Asked Questions
Which is better, MemSync or Opal: Screen Time Control?
Based on FactScore™, MemSync leads with a score of 60.2 vs 37.4. MemSync has a higher rating of 5.0★ compared to 4.8★.
What are the pros of MemSync compared to Opal: Screen Time Control?
MemSync uniquely offers: Context aware, E2E encryption, Personalized prompts, Cross-platform integration, Multi-model support.
What are the pros of Opal: Screen Time Control compared to MemSync?
Opal: Screen Time Control uniquely offers: No unique pros listed.
Is MemSync better rated than Opal: Screen Time Control?
MemSync is rated 5.0★ from 15 reviews. Opal: Screen Time Control is rated 4.8★ from 5 reviews.
What is the FactScore™ of MemSync and Opal: Screen Time Control?
FactScore™ weighs rating and review volume together. MemSync scores 60.2 and Opal: Screen Time Control scores 37.4.
Don't Get Fooled by Fake Social Media Videos
The world's first fact checker for social media. Paste any link and get an instant credibility score with sources.
Try FactCheckTool Free