# Second Brain vs Flo

The clearest difference is in-app purchases: Second Brain at none against Flo's 2. Flo's advantage is update cadence (daily vs every 3 weeks) and iOS requirement (15.1 vs 17.6). On price, ads and device support there is nothing between them.

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

Second Brain ships an update every 3 weeks, Flo daily. The most recent releases landed on October 24, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | Second Brain | Flo |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/second-brain-adhd-planner/id6760140172/reviews)** | — |
| Number of ratings | **1** | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 3 weeks | **Daily** |
| Size | 2 MB | 52 MB |
| Requires iOS | 17.6 | **15.1** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Jikku Chacko](https://appshunter.io/developer/1882820555) | [Michael Noland](https://appshunter.io/developer/1894594085) |

## What reviewers say

### Second Brain

[App page](https://appshunter.io/ios/app/second-brain-adhd-planner/id6760140172)

**Features:** macOS Compatibility

**In-app purchases:** none


### Flo

[App page](https://appshunter.io/ios/app/flo-adhd-focus-and-tasks/id6775057933)

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Flo Pro Monthly | $4.99 | per month |
| Flo Pro Annual | $39.99 | per year |


## Frequently asked questions

### Is Second Brain free?

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

### Is Flo free?

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

### Do Second Brain or Flo have ads?

Neither Second Brain nor Flo shows ads.

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

Second Brain ships an update every 3 weeks, and Flo daily. Most recently, Second Brain was updated on October 24, 2026 and Flo on October 25, 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.*