# SigmaNote vs Truffle Journal

The clearest difference is update cadence: Truffle Journal at every 3 days against SigmaNote's weekly. Truffle Journal also leads on iOS requirement (16.0 vs 18.0). On price, rating, ratings volume and ads there is nothing between them.

Both are free to download. SigmaNote sells 4 in-app purchases, starting at $8.99 per month and Truffle Journal sells 5 in-app purchases, starting at $4.99 per month. Whichever you choose, the download price is not the number that matters.

On the App Store both sit at effectively the same score — 5.0 for SigmaNote against 5.0 for Truffle Journal. Both are backed by a comparable volume of ratings — 1 and 1 respectively.

SigmaNote ships an update weekly, Truffle Journal every 3 days. The most recent releases landed on November 5, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | SigmaNote | Truffle Journal |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [5.0 (1 ratings)](https://appshunter.io/ios/app/sigmanote/id6744374542/reviews) | [5.0 (1 ratings)](https://appshunter.io/ios/app/truffle-journal/id6758567685/reviews) |
| Number of ratings | 1 | 1 |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Weekly | **Every 3 days** |
| Monetization | Freemium | Freemium |
| Size | 90 MB | 11 MB |
| Requires iOS | 18.0 | **16.0** |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 12+ |
| Developer | [SignifyID LLC](https://appshunter.io/developer/1793292360) | [Wonderfarm LLC](https://appshunter.io/developer/1873701621) |

## 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 |


### Truffle Journal

[App page](https://appshunter.io/ios/app/truffle-journal/id6758567685)

Capture and refine valuable ChatGPT conversations into editable journal entries. Organize, search, and add context to your notes. Write directly in the app with Markdown support and sync across devices.

**Highlights:** Save ChatGPT conversations, Editable journal entries, Markdown support, Tagging and organization, Text and semantic search, Cross-device sync, Local reminders

**In-app purchases (5)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Plus Monthly | $4.99 | per month |
| Plus Monthly — First Truffle | $4.99 | per month |
| Plus Annual | $47.99 | per year |
| Truffle Plus Annual | $47.99 | per year |
| Plus Annual — First Truffle | $47.99 | per year |


## Frequently asked questions

### Is SigmaNote free?

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

### Is Truffle Journal free?

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

### Which has better reviews, SigmaNote or Truffle Journal?

SigmaNote and Truffle Journal are both rated 5.0 out of 5 on the App Store, from 1 and 1 ratings respectively.

### Do SigmaNote or Truffle Journal have ads?

Neither SigmaNote nor Truffle Journal shows ads.

### Which is updated more often, SigmaNote or Truffle Journal?

SigmaNote ships an update weekly, and Truffle Journal every 3 days. Most recently, SigmaNote was updated on November 5, 2026 and Truffle Journal on October 31, 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.*