# SigmaNote vs MindVault AI

The clearest difference is in-app purchases: MindVault AI at none against SigmaNote's 4. SigmaNote's advantage is iOS requirement (18.0 vs 26.2). 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. MindVault AI asks for nothing beyond the download.

## The numbers

| Metric | SigmaNote | MindVault AI |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/sigmanote/id6744374542/reviews)** | — |
| Number of ratings | **1** | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Weekly | — |
| Monetization | Freemium | — |
| Size | 90 MB | 1 MB |
| Requires iOS | **18.0** | 26.2 |
| Devices | iPhone, iPad | **iPhone, iPad, Mac** |
| Age rating | 4+ | 4+ |
| Developer | [SignifyID LLC](https://appshunter.io/developer/1793292360) | [Sahar Levy](https://appshunter.io/developer/1839670800) |

## What reviewers say

### 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 |


### MindVault AI

[App page](https://appshunter.io/ios/app/mindvault-ai/id6759812903)

**In-app purchases:** none


## Frequently asked questions

### Is SigmaNote free?

SigmaNote is free to download, with in-app purchases available.

### Is MindVault AI free?

MindVault AI is free to download, with no in-app purchases.

### Do SigmaNote or MindVault AI have ads?

Neither SigmaNote nor MindVault AI shows ads.

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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.*