# Second Brain SB vs Decision Log

The clearest difference is in-app purchases: Second Brain SB at none against Decision Log's 2. Second Brain SB also leads on iOS requirement (11.0 vs 16.0). On price there is nothing between them.

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

## The numbers

| Metric | Second Brain SB | Decision Log |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | — | No |
| Update frequency | — | Every 2 weeks |
| Size | 26 MB | 66 MB |
| Requires iOS | **11.0** | 16.0 |
| Devices | — | **iPhone** |
| Age rating | 4+ | 17+ |
| Developer | [Gianlucca Vick](https://appshunter.io/developer/1691417067) | [Krzysztof Marczewski](https://appshunter.io/developer/1848227125) |

## What reviewers say

### Second Brain SB

[App page](https://appshunter.io/ios/app/second-brain-sb/id6449985684)

**In-app purchases:** none


### Decision Log

[App page](https://appshunter.io/ios/app/decision-log-track-decisions/id6754412756)

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Decision Log Pro | $4.99 | per month |
| Decision Log Pro | $39.99 | per year |


## Frequently asked questions

### Is Second Brain SB free?

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

### Is Decision Log free?

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

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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.*