# Simple Task Manager - One Task — To Do List for Better Focus

> To Do List for Better Focus (iPhone/iPad app by KAZUHO MOROFUJI.)

- Source: https://appshunter.io/ios/app/simple-task-manager-one-task/id6756692582 (this page in markdown: same URL + `.md`)
- Developer: [KAZUHO MOROFUJI](https://appshunter.io/developer/1862359039)
- Category: Lifestyle, Productivity
- Price: Free with in-app purchases
- Age rating: 4+
- Requires: iOS 17.6 · 1 MB
- Languages: American English, Japanese
- Released: 2025-12-22
- Data updated: 2026-10-15

## What is Simple Task Manager?

Too many tasks. Too many lists. Nothing gets done.

One Task is a simple, minimalist task manager built around one idea: focus on one task at a time.

Instead of filling another endless to-do list, One Task lets you set just one main task. No overwhelming backlog. No constantly changing priorities. Just one clear thing to focus on right now.

Do one thing. Finish it. Then move on.

■ FOCUS ON ONE TASK

You can have only one main task at a time.

This simple constraint removes the question of “What should I do next?” and helps you stay focused on what matters most.

■ BREAK BIG TASKS INTO SMALL STEPS

A task can feel overwhelming when you don’t know where to start.

Break your main task into up to 5 smaller, actionable subtasks and tackle it one step at a time.

■ AUTOMATIC TASK ARCHIVE

Finished a task? It’s automatically moved to your archive.

Look back at what you’ve accomplished or restore a previous task whenever you need it.

■ SAVE IT FOR LATER WITH VAULT

Thought of something else you need to do?

Put it in Vault instead of interrupting your current task. Save ideas and future tasks for later while keeping your attention on what matters right now.

■ AI SUBTASK BREAKDOWN

Not sure how to get started?

Enter your main task and let AI break it down into clear, actionable subtasks. Choose only the suggestions that make sense for you and add them with a tap.

Free users can try AI Subtask Breakdown once per day.

Subscribe to AI Subtask Breakdown to increase your subtask limit from 5 to 10, for both AI-generated and manually added subtasks.

ONE TASK IS FOR YOU IF:

• Your to-do list keeps getting longer
• Too many tasks make it hard to decide where to start
• You want a simple task manager without unnecessary complexity
• You struggle with procrastination or task overwhelm
• You want to focus on one thing at a time
• You like breaking big tasks into smaller steps
• You want a cleaner way to manage work, study, or daily tasks
• Traditional productivity apps feel like too much work

Most task managers help you manage more tasks.

One Task helps you focus on fewer.

Stop managing everything.
Start finishing one thing.

One Task — one task at a time.

No accounts.
No complex features.
Just one task at a time.

Privacy policy
https://hushed-coriander-11e.notion.site/One-Task-2c6a05a584c080bf8deaf1b8fc434267
Term of use
https://app.notion.com/p/One-Task-2c7a05a584c080029193ec23640a0c7e

## Pricing and in-app purchases

Base price: Free.

**Subscriptions**

| Subscription | Price | Period |
| --- | --- | --- |
| One Task AI Monthly | $3.99 | per month |
| OneTask AI Yearly | $24.99 | per year |

**One-time purchases**

| Purchase | Price | Type |
| --- | --- | --- |
| One Task Plus | $1.99 | one-time |


## Is Simple Task Manager safe?

Not enough ratings yet to assess Simple Task Manager.

## Is Simple Task Manager legit?

Simple Task Manager - One Task appears legitimate, with a few gaps. The AppsHunter Legitimacy Score for Simple Task Manager is 65 out of 100 points across 7 verification signals from App Store and developer data.


## Version history (last 5 releases)

### 1.3.0 — 2026-10-08

A fresh new design.
-Glass buttons and cards now float on your theme's gradient
- Two new themes, Black and White, for six in total
- Create your main task right from the home screen when you have none
- Tap the progress ring to finish your main task
- Swipe to delete subtasks, and touch and hold to reorder them
- Add up to 10 AI breakdown suggestions, even on the free plan
- When you already have subtasks, choose to replace them or add AI suggestions after them
- A new introduction for first-time users, also available anytime from "How to use the app" in Settings

### 1.2.0 — 2026-09-14

NEW: AI Subtask Breakdown
Not sure where to start? Just enter your main task, and AI will automatically split it into clear, actionable subtasks. Pick only the ones you need.
Free users can try it once a day.

Subscribe to AI Subtask Breakdown:
- Subtask limit increases from 5 to 10
- Manually added subtasks also increase to 10

Also includes bug fixes and performance improvements.

### 1.1.2 — 2026-07-09

Minor update

### 1.1.1 — 2026-07-09

Minor improvements.

### 1.1 — 2026-02-10

Added Vault mode.
• Introduced Vault, a task storage space for capturing ideas instantly
• Keep tasks out of sight to protect your single-task focus
• Vault can be unlocked with a one-time purchase
• The main task feature remains free to use

## Apps similar to Simple Task Manager

| App | Rating | Price | Category |
| --- | --- | --- | --- |
| [Styliner AI](https://appshunter.io/ios/app/styliner-ai/id6761081879) | 5.0 (2) | Free | Lifestyle |
| [Rejections](https://appshunter.io/ios/app/rejections/id6761064444) | — | Free | Lifestyle |
| [IOU Slip – Promise Tracker](https://appshunter.io/ios/app/iou-slip-promise-tracker/id6758438592) | 5.0 (1) | Free | Lifestyle |
| [week - weekly diary](https://appshunter.io/ios/app/week-weekly-diary/id6736693039) | — | Free | Lifestyle |
| [BuildSaints](https://appshunter.io/ios/app/buildsaints/id6747890496) | 5.0 (3) | Free | Lifestyle |
| [Daily Planner - OneTask](https://appshunter.io/ios/app/daily-planner-onetask/id6747091868) | 5.0 (1) | Free | Lifestyle |

## More apps by KAZUHO MOROFUJI

- [Narrati - Talk, Don't Write](https://appshunter.io/ios/app/narrati-talk-dont-write/id6756837140)
- [寿命カウントダウン＆todo Remainingリメイニング](https://appshunter.io/ios/app/todo-remaining/id6757322460)
- [Selenote: Dream Journal](https://appshunter.io/ios/app/selenote-dream-journal/id6758237367)
- [KŌRA](https://appshunter.io/ios/app/kora/id6758558047)
- [Fade Notes: Vanish in 24 Hours](https://appshunter.io/ios/app/fade-notes-vanish-in-24-hours/id6804650607)

All apps by KAZUHO MOROFUJI: https://appshunter.io/developer/1862359039

---

*Data collected daily from the US App Store and indexed by [AppsHunter](https://appshunter.io/). User reviews are verbatim App Store reviews. Ratings, prices and chart positions refresh continuously; this snapshot is from 2026-10-15.*