# Deadline Bar vs Second Brain

The clearest difference is device support: Second Brain at 3 against Deadline Bar's 1. Second Brain also leads on iOS requirement (15.0 vs 17.6). On price, ads and in-app purchases there is nothing between them.

Both are free to download. Deadline Bar sells 2 in-app purchases, starting at $1.99 per month and Second Brain sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

## The numbers

| Metric | Deadline Bar | Second Brain |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | — | Every 3 months |
| Size | 3 MB | 25 MB |
| Requires iOS | 17.6 | **15.0** |
| Devices | iPhone | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [双伟 王](https://appshunter.io/developer/1861136667) | [Selahattin Bozat](https://appshunter.io/developer/1895293163) |

## What reviewers say

### Deadline Bar

[App page](https://appshunter.io/ios/app/deadline-bar-time-progress/id6764828980)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Deadline Bar Pro Monthly | $1.99 | per month |
| Deadline Bar Pro Yearly | $9.99 | per year |


### Second Brain

[App page](https://appshunter.io/ios/app/second-brain-notes-and-knowledge/id6775839727)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Second Brain Premium | $9.99 | one-time |


## Frequently asked questions

### Is Deadline Bar free?

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

### Is Second Brain free?

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

### Do Deadline Bar or Second Brain have ads?

Neither Deadline Bar nor Second Brain shows ads.

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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.*