# ぴよToDo vs Second Brain

The clearest difference is ads: Second Brain at none against ぴよToDo's shown. ぴよToDo's advantage is iOS requirement (17.0 vs 26.0). On price, update cadence, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

ぴよToDo ships an update every 3 weeks, Second Brain monthly. The most recent releases landed on November 2, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | ぴよToDo | Second Brain |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 40.0% of reviews | — |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | **Every 3 weeks** | Monthly |
| Monetization | Free | — |
| Size | 36 MB | 37 MB |
| Requires iOS | **17.0** | 26.0 |
| Devices | iPhone | **iPhone, iPad** |
| Age rating | 4+ | 4+ |
| Developer | [Kazuyuki Ishida](https://appshunter.io/developer/1320919489) | [Dcode](https://appshunter.io/developer/1868391710) |

## What reviewers say

### ぴよToDo

[App page](https://appshunter.io/ios/app/todo/id1350234812)

A simple task management app with a reminder function to support your private and work life. Quickly create tasks and receive push notifications for unfinished items. Works offline for smooth performance.

**Highlights:** Simple UI with no unnecessary features, Quick task creation, Push notification reminders, Offline task viewing, Smooth performance

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

**In-app purchases:** none


### Second Brain

[App page](https://appshunter.io/ios/app/second-brain-ai-note/id6799343264)

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

**In-app purchases:** none


## Frequently asked questions

### Is ぴよToDo free?

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

### Is Second Brain free?

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

### Do ぴよToDo or Second Brain have ads?

ぴよToDo shows ads; Second Brain does not.

### Which is updated more often, ぴよToDo or Second Brain?

ぴよToDo ships an update every 3 weeks, and Second Brain monthly. Most recently, ぴよToDo was updated on November 2, 2026 and Second Brain on October 31, 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.*