Comparison

OpenCart Admin vs SigmaNote

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

OpenCart Admin

Manage your online store's orders directly from your mobile device. Update order statuses and view details conveniently while on the go. Requires installation of a module on your OpenCart web store.

Highlights
  • View OpenCart store orders
  • Update order history
  • Mobile order management
  • Work on the go
  • Requires web store module installation
Features
Read full description

Admin Orders Mobile App allows you to easily view your OpenCart store orders on your mobile phone. You can also update the order history right from the mobile app. Convenient for those that like to work on the go. To start, install the module onto your OpenCart web store https://www.opencart.com/index.php?route=marketplace/extension/info&extension_id=28916&filter_member=MarketInSG

About

SigmaNote

This app acts as an AI-powered knowledge hub, allowing users to capture, manage, learn from, and create knowledge across various formats. It uses AI agents to organize content, answer questions, and facilitate voice-driven writing and content creation.

Highlights
  • Capture knowledge from diverse sources
  • AI agents for organization and retrieval
  • Learn through conversation and listening
  • Voice-driven AI writing and content creation
  • Unified knowledge lifecycle management
  • Cross-format knowledge integration
Features
Read full description

SigmaNote — AI-Powered Knowledge Hub SigmaNote lets you build your own AI-powered knowledge hub — a single place to capture, manage, learn from, and create knowledge. It goes beyond notes or chat. SigmaNote gives you AI agents that work with your knowledge, across every format. Capture Knowledge from Anywhere Bring knowledge into SigmaNote from any source: • Notes and markdown documents • PDFs, files, and document scans • Images with OCR • Web pages and web archives • YouTube videos (with or without subtitles) • Voice recordings and system audio • Real-time, multi-language transcripts No format limits. Everything becomes searchable and usable. AI Agents That Organize for You SigmaNote’s AI agents help you: • Find relevant knowledge instantly • Organize content into the right Spaces • Connect related ideas across files and formats • Reduce clutter as your knowledge grows Your knowledge hub stays structured — without manual effort. Learn by Listening, Reading, and Conversation Knowledge shouldn’t just sit there. With SigmaNote, AI agents can: • Proactively read or speak knowledge to you • Explain complex topics in simple terms • Answer questions grounded in your materials • Help you think through ideas step by step It’s like discussing your knowledge with a personal tutor or teammate. Talk to Write. Build New Knowledge. SigmaNote introduces voice-driven AI writing. You can talk to an AI agent to: • Write new documents • Edit and update markdown files • Refine ideas through conversation • Create knowledge using your entire hub or a selected document This turns thinking out loud into structured writing — powered by everything you’ve learned. From Capture to Creation SigmaNote supports the full knowledge lifecycle: • Capture information • Understand it with AI • Absorb it through reading and listening • Create new knowledge by talking and writing All in one personal system. Who It’s For Students, researchers, founders, consultants, lawyers, clinicians, creators — anyone who wants to own their knowledge and build with it. Why SigmaNote • One hub for all knowledge formats • AI agents grounded in your data • Learn by conversation, not just reading • Turn knowledge into output Legal Term of services & privacy policy: https://www.signifyid.com/terms/view.html?doc=privacy_policy https://www.signifyid.com/terms/view.html?doc=term_of_service

Screenshots

OpenCart Admin4 screens
SigmaNote4 screens

Verdict

The call

The clearest difference is rating: SigmaNote at 5.0 against OpenCart Admin's 2.0. SigmaNote also leads on update cadence (weekly vs every 2 months). OpenCart Admin's advantage is in-app purchases (none vs 4) and ratings volume (4 vs 1). On price, ads and device support there is nothing between them.

Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. SigmaNote sells 4 in-app purchases, starting at $8.99 per month. OpenCart Admin asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

SigmaNote holds the better App Store score, 5.0 against 2.0. Both are backed by a comparable volume of ratings — 4 and 1 respectively.

UpkeepUpdate frequency

OpenCart Admin ships an update every 2 months, SigmaNote weekly. The most recent releases landed on October 11, 2026 and October 1, 2026 respectively.

Scorecard6 real differences · 4 level
OpenCart Admin versus SigmaNote: the parameters behind the verdict, then further details
ParameterOpenCart AdminSigmaNote
PriceFreeFree
Rating2.0 (4 ratings)5.0 (1 ratings) — better
Positive reviews25.0% of reviews—
Number of ratings4 — better1
Update frequencyEvery 2 monthsWeekly — better
AdsNoNo
In-app purchasesNo — betterYes
MonetizationFree — betterFreemium
DevicesiPhone, iPad, iPod — betteriPhone, iPad
Requires iOS10.0 — better18.0
Further details — not scored
Size17 MB90 MB
Age rating17+4+
DeveloperEquotix Pte LtdSignifyID LLC

Customer experience

OpenCart Admin

All ratings4 ratings
Positive25.0%
Neutral0.0%
Negative75.0%
Written reviews4 reviews
Positive25.0%
Neutral0.0%
Negative75.0%

SigmaNote

All ratings1 ratings
Positive100.0%
Neutral0.0%
Negative0.0%

In-app purchases

None

OpenCart Admin

No in-app purchases

4 purchases

SigmaNote

Subscriptions4
  • SigmaNote Premium Monthly$8.991 Month
  • SigmaNote Premium Plus Monthly$12.991 Month
  • SigmaNote Premium Yearly$80.991 Year
Show 1 more
  • SigmaNote Premium Plus Yearly$116.991 Year

Questions

Is OpenCart Admin free?
OpenCart Admin is free to download, with no in-app purchases.
Is SigmaNote free?
SigmaNote is free to download, with in-app purchases available.
Which has better reviews, OpenCart Admin or SigmaNote?
SigmaNote is rated higher. OpenCart Admin averages 2.0 out of 5 from 4 ratings, while SigmaNote averages 5.0 from 1 ratings.
Do OpenCart Admin or SigmaNote have ads?
Neither OpenCart Admin nor SigmaNote shows ads.
Which is updated more often, OpenCart Admin or SigmaNote?
OpenCart Admin ships an update every 2 months, and SigmaNote weekly. Most recently, OpenCart Admin was updated on October 11, 2026 and SigmaNote on October 1, 2026.

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