# #Sparks vs Second Brain

The clearest difference is in-app purchases: #Sparks at none against Second Brain's 2. #Sparks also leads on update cadence (every 3 days vs weekly) and device support (3 vs 1). On price and ads there is nothing between them.

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

#Sparks ships an update every 3 days, Second Brain weekly. The most recent releases landed on September 19, 2026 and September 8, 2026 respectively.

## The numbers

| Metric | #Sparks | Second Brain |
| --- | --- | --- |
| 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 | **No** | Yes |
| Ads | No | No |
| Update frequency | **Every 3 days** | Weekly |
| Monetization | — | Freemium |
| Size | 51 MB | 12 MB |
| Requires iOS | **13.0** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [JAKUB ZAJĄC DORADCA PODATKOWY](https://appshunter.io/developer/1819359521) | [Liwei Xie](https://appshunter.io/developer/1106616046) |

## What reviewers say

### #Sparks

[App page](https://appshunter.io/ios/app/sparks/id6747009107)

**Features:** macOS Compatibility

**In-app purchases:** none


### 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 |


## Frequently asked questions

### Is #Sparks free?

#Sparks is free to download, with no in-app purchases.

### Is Second Brain free?

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

### Do #Sparks or Second Brain have ads?

Neither #Sparks nor Second Brain shows ads.

### Which is updated more often, #Sparks or Second Brain?

#Sparks ships an update every 3 days, and Second Brain weekly. Most recently, #Sparks was updated on September 19, 2026 and Second Brain on September 8, 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.*