# 321 ToDo vs Target Setting Machine

The clearest difference is in-app purchases: 321 ToDo at none against Target Setting Machine's 3. 321 ToDo also leads on update cadence (every 3 days vs every 9 months) and iOS requirement (9.0 vs 15.0). On price, review sentiment, ads and device support there is nothing between them.

Both are free to download. Target Setting Machine sells 3 in-app purchases, starting at $0.99 per month. 321 ToDo asks for nothing beyond the download.

321 ToDo ships an update every 3 days, Target Setting Machine every 9 months. The most recent releases landed on September 18, 2026 and September 23, 2026 respectively.

## The numbers

| Metric | 321 ToDo | Target Setting Machine |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/321-todo-countdown-todo/id1542891687/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | 100.0% of reviews | 100.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | Yes | Yes |
| Update frequency | **Every 3 days** | Every 9 months |
| Monetization | **Ad-supported** | Free with in-app purchases |
| Size | 64 MB | 19 MB |
| Requires iOS | **9.0** | 15.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Shibapp LLC](https://appshunter.io/developer/852300851) | [Ryusuke Uchida](https://appshunter.io/developer/1377920444) |

## What reviewers say

### 321 ToDo

[App page](https://appshunter.io/ios/app/321-todo-countdown-todo/id1542891687)

Organize your tasks with a countdown to their due dates. This app helps you manage your to-do list with real-time grace period displays and customizable reminders. Features include swipe-to-delete, sorting options, and repeat task settings.

**Highlights:** Countdown to due dates, Swipe to delete tasks, Manual and automatic sorting, Customizable reminders, Repeat task function, Theme color customization, Badge display for incomplete tasks

**Features:** macOS Compatibility

**In-app purchases:** none


### Target Setting Machine

[App page](https://appshunter.io/ios/app/target-setting-machine/id1618588805)

Quickly set goals and deadlines to increase your chances of achievement. Receive multiple reminders to ensure you never miss a deadline. The app offers an automatic deadline setting feature and can be used for various planning needs.

**Highlights:** Quick target and deadline setting, Automatic deadline suggestions, Multiple deadline reminders, Countdown to deadlines, Versatile use for todos and scheduling

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pro Version | $0.99 | per month |
| Pro Version | $6.99 | per year |
| Pro Version | $12.99 | one-time |


## Frequently asked questions

### Is 321 ToDo free?

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

### Is Target Setting Machine free?

Target Setting Machine is free to download, with in-app purchases available.

### Do 321 ToDo or Target Setting Machine have ads?

Both 321 ToDo and Target Setting Machine show ads.

### Which is updated more often, 321 ToDo or Target Setting Machine?

321 ToDo ships an update every 3 days, and Target Setting Machine every 9 months. Most recently, 321 ToDo was updated on September 18, 2026 and Target Setting Machine on September 23, 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.*