# Checklist vs Second Brain AI

The clearest difference is in-app purchases: Checklist at none against Second Brain AI's 3. Checklist also leads on device support (4 vs 2) and iOS requirement (12.0 vs 17.6). Second Brain AI's advantage is update cadence (every 5 days vs every 8 months). On price and ads there is nothing between them.

Both are free to download. Second Brain AI sells 3 in-app purchases, starting at $1.99 per month. Checklist asks for nothing beyond the download.

Checklist ships an update every 8 months, Second Brain AI every 5 days. The most recent releases landed on September 29, 2026 and September 28, 2026 respectively.

## The numbers

| Metric | Checklist | Second Brain AI |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.6 (9 ratings)](https://appshunter.io/ios/app/checklist-get-things-done/id6443571010/reviews)** | — |
| Number of ratings | **9** | — |
| Positive reviews | 66.7% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 8 months | **Every 5 days** |
| Monetization | Free | — |
| Size | 25 MB | 43 MB |
| Requires iOS | **12.0** | 17.6 |
| Devices | **iPhone, iPad, iPod, Mac** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Ifeanyi Onuoha](https://appshunter.io/developer/1639924654) | [Imat Gokaslan](https://appshunter.io/developer/1875550375) |

## What reviewers say

### Checklist

[App page](https://appshunter.io/ios/app/checklist-get-things-done/id6443571010)

Create lists, mark items as complete, and achieve your goals. This application is designed to help you stay organized and boost your productivity across multiple devices.

**Highlights:** Create custom lists, Check off completed items, Cross-platform availability, Boost productivity, Stay organized

**In-app purchases:** none


### Second Brain AI

[App page](https://appshunter.io/ios/app/second-brain-ai/id6765656887)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium Monthly | $1.99 | per month |
| Premium Yearly | $14.99 | per year |
| Premium Lifetime | $69.99 | one-time |


## Frequently asked questions

### Is Checklist free?

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

### Is Second Brain AI free?

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

### Do Checklist or Second Brain AI have ads?

Neither Checklist nor Second Brain AI shows ads.

### Which is updated more often, Checklist or Second Brain AI?

Checklist ships an update every 8 months, and Second Brain AI every 5 days. Most recently, Checklist was updated on September 29, 2026 and Second Brain AI on September 28, 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.*