# Guide vs SecondBrain AI Assistant

The clearest difference is ads: SecondBrain AI Assistant at none against Guide's shown. SecondBrain AI Assistant also leads on update cadence (daily vs every 4 days). On price, in-app purchases, device support and iOS requirement there is nothing between them.

Both are free to download. Guide sells 3 in-app purchases, starting at $4.99 per 7 days and SecondBrain AI Assistant sells 2 in-app purchases, starting at $9.99 per month. Whichever you choose, the download price is not the number that matters.

Guide ships an update every 4 days, SecondBrain AI Assistant daily. The most recent releases landed on September 27, 2026 and October 1, 2026 respectively.

## The numbers

| Metric | Guide | SecondBrain AI Assistant |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | Yes | **No** |
| Update frequency | Every 4 days | **Daily** |
| Size | 30 MB | 23 MB |
| Requires iOS | 16.4 | **15.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Ion Brumaru](https://appshunter.io/developer/556588593) | [BUILD TO CONNECT LTD](https://appshunter.io/developer/6778076361) |

## What reviewers say

### Guide

[App page](https://appshunter.io/ios/app/guide-ai-chatbot-assistant/id6475630390)

**Features:** macOS Compatibility

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Guide AI Weekly | $4.99 | per 7 days |
| Guide AI Yearly | $59.99 | per year |
| Guide AI Lifetime | $99.99 | one-time |


### SecondBrain AI Assistant

[App page](https://appshunter.io/ios/app/secondbrain-ai-assistant/id6778076359)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Second Brain Pro Monthly | $9.99 | per month |
| Second Brain Pro Annual | $69.99 | per year |


## Frequently asked questions

### Is Guide free?

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

### Is SecondBrain AI Assistant free?

SecondBrain AI Assistant is free to download, with in-app purchases available.

### Do Guide or SecondBrain AI Assistant have ads?

Guide shows ads; SecondBrain AI Assistant does not.

### Which is updated more often, Guide or SecondBrain AI Assistant?

Guide ships an update every 4 days, and SecondBrain AI Assistant daily. Most recently, Guide was updated on September 27, 2026 and SecondBrain AI Assistant on October 1, 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.*