# OneTodo vs TaskCow

The clearest difference is update cadence: OneTodo at every 9 days against TaskCow's every 3 weeks. TaskCow's advantage is iOS requirement (15.0 vs 17.6). On price, ads, in-app purchases and device support there is nothing between them.

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

OneTodo ships an update every 9 days, TaskCow every 3 weeks. The most recent releases landed on September 26, 2026 and October 1, 2026 respectively.

## The numbers

| Metric | OneTodo | TaskCow |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[2.3 (3 ratings)](https://appshunter.io/ios/app/onetodo-personal-task-system/id1546530435/reviews)** | — |
| Number of ratings | **3** | — |
| Positive reviews | 71.4% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Every 9 days** | Every 3 weeks |
| Monetization | Subscription | — |
| Size | 140 MB | 37 MB |
| Requires iOS | 17.6 | **15.0** |
| Devices | iPhone, iPad | **iPhone, iPod, Apple Watch** |
| Age rating | 4+ | 4+ |
| Developer | [Chengdu Reinvent Technology Co., Ltd.](https://appshunter.io/developer/1250290964) | [Caven Lim](https://appshunter.io/developer/1565165369) |

## What reviewers say

### 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 |


### TaskCow

[App page](https://appshunter.io/ios/app/taskcow/id1565968348)

**Features:** macOS Compatibility, Apple Watch app, Vision Pro support

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| TaskCow Donation | $1.99 | one-time |


## Frequently asked questions

### Is OneTodo free?

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

### Is TaskCow free?

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

### Do OneTodo or TaskCow have ads?

Neither OneTodo nor TaskCow shows ads.

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

OneTodo ships an update every 9 days, and TaskCow every 3 weeks. Most recently, OneTodo was updated on September 26, 2026 and TaskCow on October 1, 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.*