# Second Brain vs Lumipath 明路

The clearest difference is in-app purchases: Lumipath 明路 at none against Second Brain's 2. Second Brain's advantage is iOS requirement (17.0 vs 26.0). On price, update cadence, ads and device support there is nothing between them.

Both are free to download. Second Brain sells 2 in-app purchases, starting at $4.99 per month. Lumipath 明路 asks for nothing beyond the download.

Second Brain ships an update weekly, Lumipath 明路 fortnightly. The most recent releases landed on September 8, 2026 and September 14, 2026 respectively.

## The numbers

| Metric | Second Brain | Lumipath 明路 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.0 (1 ratings)](https://appshunter.io/ios/app/second-brain-know-yourself/id6760254340/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Weekly** | Fortnightly |
| Monetization | Freemium | — |
| Size | 12 MB | 45 MB |
| Requires iOS | **17.0** | 26.0 |
| Devices | iPhone | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Liwei Xie](https://appshunter.io/developer/1106616046) | [香 罗](https://appshunter.io/developer/1879666318) |

## What reviewers say

### Second Brain

[App page](https://appshunter.io/ios/app/second-brain-know-yourself/id6760254340)

This AI-powered journal captures your thoughts via voice or text, automatically organizing and connecting them. It helps you recall memories, discover patterns, and reflect on your growth.

**Highlights:** AI classification, tagging, and summarization, Semantic search by meaning, Three-layer memory system, People cards for relationship tracking, Weekly AI reflections, Voice input with transcription, Data export (JSON + Markdown)

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Second Brain Pro | $4.99 | per month |
| Second Brain Pro | $39.99 | per year |


### Lumipath 明路

[App page](https://appshunter.io/ios/app/lumipath-knowledge-notes/id6782947290)

**In-app purchases:** none


## Frequently asked questions

### Is Second Brain free?

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

### Is Lumipath 明路 free?

Lumipath 明路 is free to download, with no in-app purchases.

### Do Second Brain or Lumipath 明路 have ads?

Neither Second Brain nor Lumipath 明路 shows ads.

### Which is updated more often, Second Brain or Lumipath 明路?

Second Brain ships an update weekly, and Lumipath 明路 fortnightly. Most recently, Second Brain was updated on September 8, 2026 and Lumipath 明路 on September 14, 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.*