# Which Thing First? (WTF?) vs TaskTree

The clearest difference is in-app purchases: TaskTree at none against Which Thing First? (WTF?)'s 1. TaskTree also leads on iOS requirement (15.0 vs 26.0). On price, update cadence, ads and device support there is nothing between them.

Both are free to download. Which Thing First? (WTF?) sells 1 one-off in-app purchase. TaskTree asks for nothing beyond the download.

Both ship on a similar rhythm, roughly every 2 months. The most recent releases landed on September 19, 2026 and September 20, 2026 respectively.

## The numbers

| Metric | Which Thing First? (WTF?) | TaskTree |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.1 (10 ratings)](https://appshunter.io/ios/app/which-thing-first-wtf/id416983558/reviews)** | — |
| Number of ratings | **10** | — |
| Positive reviews | 65.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 2 months | Every 2 months |
| Monetization | Free with in-app purchases | — |
| Size | 4 MB | 55 MB |
| Requires iOS | 26.0 | **15.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Westbright](https://appshunter.io/developer/335093138) | [You-Huei Huang](https://appshunter.io/developer/1890418341) |

## What reviewers say

### Which Thing First? (WTF?)

[App page](https://appshunter.io/ios/app/which-thing-first-wtf/id416983558)

This app helps you determine the most effective order for completing your tasks. By asking a series of questions, it guides you through prioritizing your to-do list. A free version is available with limitations, with an option to upgrade for unlimited tasks.

**Highlights:** Task prioritization, Comparative task analysis, GTD methodology support, Unlimited task upgrade, Simple user interface

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| WTF Upgrade | $1.99 | one-time |


### TaskTree

[App page](https://appshunter.io/ios/app/tasktree-branch-your-tasks/id6761607208)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Which Thing First? (WTF?) free?

Which Thing First? (WTF?) is free to download, with in-app purchases available.

### Is TaskTree free?

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

### Do Which Thing First? (WTF?) or TaskTree have ads?

Neither Which Thing First? (WTF?) nor TaskTree shows ads.

### Which is updated more often, Which Thing First? (WTF?) or TaskTree?

Which Thing First? (WTF?) ships an update every 2 months, and TaskTree every 2 months. Most recently, Which Thing First? (WTF?) was updated on September 19, 2026 and TaskTree on September 20, 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.*