# OpenCart Admin vs SigmaNote

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.

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.

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.

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

## The numbers

| Metric | OpenCart Admin | SigmaNote |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [2.0 (4 ratings)](https://appshunter.io/ios/app/opencart-admin/id1190211973/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/sigmanote/id6744374542/reviews)** |
| Number of ratings | **4** | 1 |
| Positive reviews | 25.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 2 months | **Weekly** |
| Monetization | **Free** | Freemium |
| Size | 17 MB | 90 MB |
| Requires iOS | **10.0** | 18.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 17+ | 4+ |
| Developer | [Equotix Pte Ltd](https://appshunter.io/developer/809125686) | [SignifyID LLC](https://appshunter.io/developer/1793292360) |

## What reviewers say

### OpenCart Admin

[App page](https://appshunter.io/ios/app/opencart-admin/id1190211973)

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:** macOS Compatibility

**In-app purchases:** none


### SigmaNote

[App page](https://appshunter.io/ios/app/sigmanote/id6744374542)

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:** macOS Compatibility, Family Sharing

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| SigmaNote Premium Monthly | $8.99 | per month |
| SigmaNote Premium Plus Monthly | $12.99 | per month |
| SigmaNote Premium Yearly | $80.99 | per year |
| SigmaNote Premium Plus Yearly | $116.99 | per year |


## Frequently asked 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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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*