# Locus GTD vs UDOList

The clearest difference is device support: UDOList at 3 against Locus GTD's 1. UDOList also leads on iOS requirement (15.6 vs 18.0). On price, update cadence, ads and in-app purchases there is nothing between them.

Both are free to download. Locus GTD sells 4 in-app purchases, starting at $1.19 per 7 days and UDOList sells 3 in-app purchases, starting at $0.99 per month. Whichever you choose, the download price is not the number that matters.

Locus GTD ships an update every 5 days, UDOList weekly. The most recent releases landed on October 30, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | Locus GTD | UDOList |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.8 (10 ratings)](https://appshunter.io/ios/app/locus-gtd-ai-task-planner/id6738880378/reviews)** | — |
| Number of ratings | **10** | — |
| Positive reviews | 66.7% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Every 5 days** | Weekly |
| Monetization | Free with in-app purchases | — |
| Size | 58 MB | 54 MB |
| Requires iOS | 18.0 | **15.6** |
| Devices | iPhone | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [嘉豪 栾](https://appshunter.io/developer/1697593253) | [俊豪 陈](https://appshunter.io/developer/1694583989) |

## What reviewers say

### Locus GTD

[App page](https://appshunter.io/ios/app/locus-gtd-ai-task-planner/id6738880378)

This app helps you organize your thoughts and tasks using AI and GTD principles. It allows for quick capture, project management, and focused planning by breaking down complex goals into actionable steps. Seamlessly integrate with your calendar and other productivity tools.

**Highlights:** AI-powered task creation and organization, Complete GTD workflow implementation, Project and subtask management, Calendar integration for scheduling, Customizable perspectives, Quick capture and global search

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

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Locus Pro (1 Week) | $1.19 | per 7 days |
| Locus Pro (1 Month) | $2.49 | per month |
| Locus Pro (1 Year) | $24.99 | per year |
| Locus Pro (Lifetime) | $59.99 | one-time |


### UDOList

[App page](https://appshunter.io/ios/app/udolist/id6754129578)

**Features:** macOS Compatibility

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| UDOlist Monthly Membership | $0.99 | per month |
| UDOlist年度会员 | $3.99 | per year |
| UDOlist永久会员 | $9.99 | one-time |


## Frequently asked questions

### Is Locus GTD free?

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

### Is UDOList free?

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

### Do Locus GTD or UDOList have ads?

Neither Locus GTD nor UDOList shows ads.

### Which is updated more often, Locus GTD or UDOList?

Locus GTD ships an update every 5 days, and UDOList weekly. Most recently, Locus GTD was updated on October 30, 2026 and UDOList on October 25, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*