# 아이두 vs Thoughts!

The clearest difference is iOS requirement: 아이두 at 16.4 against Thoughts!'s 26.0. On price, update cadence, ads and in-app purchases there is nothing between them.

Both are free to download. 아이두 sells 2 in-app purchases, starting at $2.99 per month and Thoughts! sells 2 in-app purchases, starting at $1.99 per month. Whichever you choose, the download price is not the number that matters.

아이두 ships an update every 2 days, Thoughts! every 3 days. The most recent releases landed on September 1, 2026 and September 7, 2026 respectively.

## The numbers

| Metric | 아이두 | Thoughts! |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/ai/id6757722325/reviews)** | — |
| Number of ratings | **1** | — |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Every 2 days** | Every 3 days |
| Monetization | Freemium | — |
| Size | 107 MB | 49 MB |
| Requires iOS | **16.4** | 26.0 |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [yongmin kim](https://appshunter.io/developer/1868466447) | [Seongjae Kim](https://appshunter.io/developer/6783318248) |

## What reviewers say

### 아이두

[App page](https://appshunter.io/ios/app/ai/id6757722325)

This app uses AI to help you manage your daily tasks and stay motivated with friends. It organizes your to-dos automatically, tracks your progress, and allows you to share your goals and achievements with others for mutual encouragement.

**Highlights:** AI-powered task parsing and organization, Social sharing of to-dos with friends, Progress tracking and achievement streaks, Customizable reminders and notifications, Color-coded task categorization, Weekly and monthly AI reports (Pro)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Aido Pro | $2.99 | per month |
| Aido Pro | $19.99 | per year |


### Thoughts!

[App page](https://appshunter.io/ios/app/thoughts-idea-organizer/id6783318246)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Thoughts! Pro | $1.99 | per month |
| Thoughts! Pro | $12.99 | per year |


## Frequently asked questions

### Is 아이두 free?

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

### Is Thoughts! free?

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

### Do 아이두 or Thoughts! have ads?

Neither 아이두 nor Thoughts! shows ads.

### Which is updated more often, 아이두 or Thoughts!?

아이두 ships an update every 2 days, and Thoughts! every 3 days. Most recently, 아이두 was updated on September 1, 2026 and Thoughts! on September 7, 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.*