# it vs OneTodo

The clearest difference is rating: it at 4.0 against OneTodo's 2.3. it also leads on monetization model (free with in-app purchases vs subscription). OneTodo's advantage is ads (none vs shown) and update cadence (every 9 days vs every 2 months). On price, in-app purchases, device support and iOS requirement there is nothing between them.

Both are free to download. it sells 1 one-off in-app purchase and OneTodo sells 3 in-app purchases, starting at $0.99 per month. Whichever you choose, the download price is not the number that matters.

it holds the better App Store score, 4.0 against 2.3. Both are backed by a comparable volume of ratings — 1 and 3 respectively.

it ships an update every 2 months, OneTodo every 9 days. The most recent releases landed on July 5, 2026 and September 9, 2026 respectively.

## The numbers

| Metric | it | OneTodo |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.0 (1 ratings)](https://appshunter.io/ios/app/it-happened/id1493878057/reviews)** | [2.3 (3 ratings)](https://appshunter.io/ios/app/onetodo-personal-task-system/id1546530435/reviews) |
| Number of ratings | 1 | **3** |
| Positive reviews | — | 71.4% of reviews |
| In-app purchases | Yes | Yes |
| Ads | Yes | **No** |
| Update frequency | Every 2 months | **Every 9 days** |
| Monetization | **Free with in-app purchases** | Subscription |
| Size | 6 MB | 140 MB |
| Requires iOS | **16.6** | 17.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Christopher Wagner](https://appshunter.io/developer/871608184) | [Chengdu Reinvent Technology Co., Ltd.](https://appshunter.io/developer/1250290964) |

## What reviewers say

### it

[App page](https://appshunter.io/ios/app/it-happened/id1493878057)

Easily record and track when you last performed any activity. Set up recurring reminders to visually indicate when it's time for an action. Group related tasks to stay organized and never forget important recurring events.

**Highlights:** Record last activity, Visual recurring reminders, Customizable tracking, Group similar activities, Update activity history

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Remove Ads | $0.99 | one-time |


### OneTodo

[App page](https://appshunter.io/ios/app/onetodo-personal-task-system/id1546530435)

Organize your life with a hierarchical task management system. Create tasks, pages, projects, boxes, and spaces to structure your to-do list and plans. Track project progress and manage separate data spaces for different aspects of your life.

**Highlights:** Hierarchical task organization (Task > Page > Project > Box > Space), Create standalone tasks, Use pages as project subtitles, Track project completion progress, Group projects with boxes, Separate data spaces for internal accounts

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| OneTodo Pro (Monthly) | $0.99 | per month |
| OneTodo Pro (Yearly) | $6.99 | per year |
| OneTodo Pro (Lifetime) | $14.99 | one-time |


## Frequently asked questions

### Is it free?

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

### Is OneTodo free?

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

### Which has better reviews, it or OneTodo?

it is rated higher. it averages 4.0 out of 5 from 1 ratings, while OneTodo averages 2.3 from 3 ratings.

### Do it or OneTodo have ads?

it shows ads; OneTodo does not.

### Which is updated more often, it or OneTodo?

it ships an update every 2 months, and OneTodo every 9 days. Most recently, it was updated on July 5, 2026 and OneTodo on September 9, 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.*