# Plaaan vs SecondBrain AI Assistant

The clearest difference is in-app purchases: Plaaan at none against SecondBrain AI Assistant's 2. SecondBrain AI Assistant's advantage is update cadence (daily vs weekly) and device support (3 vs 1). On price and ads there is nothing between them.

Both are free to download. SecondBrain AI Assistant sells 2 in-app purchases, starting at $9.99 per month. Plaaan asks for nothing beyond the download.

Plaaan ships an update weekly, SecondBrain AI Assistant daily. The most recent releases landed on June 1, 2026 and September 13, 2026 respectively.

## The numbers

| Metric | Plaaan | SecondBrain AI Assistant |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/plaaan/id6479531341/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Weekly | **Daily** |
| Monetization | Free | — |
| Size | 4 MB | 22 MB |
| Requires iOS | 17.2 | **15.0** |
| Devices | iPhone | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Mathieu Giquel](https://appshunter.io/developer/851995395) | [BUILD TO CONNECT LTD](https://appshunter.io/developer/6778076361) |

## What reviewers say

### Plaaan

[App page](https://appshunter.io/ios/app/plaaan/id6479531341)

This daily planner app combines to-do list and calendar functionalities to help users manage tasks and schedules. It aims to simplify daily routines and promote an organized lifestyle by preventing missed deadlines and events.

**Highlights:** Daily planner, To-do list integration, Calendar features, Task management, Schedule organization, Event reminders

**In-app purchases:** none


### 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 Plaaan free?

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

### Is SecondBrain AI Assistant free?

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

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

Neither Plaaan nor SecondBrain AI Assistant shows ads.

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

Plaaan ships an update weekly, and SecondBrain AI Assistant daily. Most recently, Plaaan was updated on June 1, 2026 and SecondBrain AI Assistant on September 13, 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.*