# SigmaNote vs Foxlore

The clearest difference is ratings volume: Foxlore at 3 against SigmaNote's 1. On price, rating, update cadence 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 Foxlore sells 1 one-off in-app purchase. 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 Foxlore. Both are backed by a comparable volume of ratings — 1 and 3 respectively.

Both ship on a similar rhythm, roughly weekly. The most recent releases landed on October 24, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | SigmaNote | Foxlore |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [5.0 (1 ratings)](https://appshunter.io/ios/app/sigmanote/id6744374542/reviews) | [5.0 (3 ratings)](https://appshunter.io/ios/app/foxlore/id6765984536/reviews) |
| Number of ratings | 1 | **3** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Weekly | Weekly |
| Monetization | Freemium | Free with in-app purchases |
| Size | 90 MB | 57 MB |
| Requires iOS | 18.0 | **17.0** |
| Devices | iPhone, iPad | iPhone, Mac |
| Age rating | 4+ | 4+ |
| Developer | [SignifyID LLC](https://appshunter.io/developer/1793292360) | [Searchliness](https://appshunter.io/developer/1896151747) |

## 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 |


### Foxlore

[App page](https://appshunter.io/ios/app/foxlore/id6765984536)

Capture and connect your ideas with a private, intelligent notebook. Write with rich Markdown, organize with nested tags, and find information using advanced search. AI features run on-device for enhanced privacy.

**Highlights:** Rich Markdown support (tables, LaTeX, code), Nested tags and reusable filters for organization, Exact-word and semantic search, On-device AI summaries, Attachment support (audio, PDF, images), Face ID/Touch ID tag locking, iCloud sync and local backups

**Features:** Family Sharing, Vision Pro support

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Unlock Foxlore | $9.99 | one-time |


## Frequently asked questions

### Is SigmaNote free?

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

### Is Foxlore free?

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

### Which has better reviews, SigmaNote or Foxlore?

SigmaNote and Foxlore are both rated 5.0 out of 5 on the App Store, from 1 and 3 ratings respectively.

### Do SigmaNote or Foxlore have ads?

Neither SigmaNote nor Foxlore shows ads.

### Which is updated more often, SigmaNote or Foxlore?

SigmaNote ships an update weekly, and Foxlore weekly. Most recently, SigmaNote was updated on October 24, 2026 and Foxlore 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.*