# Task Tree vs ByWhen

The clearest difference is in-app purchases: Task Tree at none against ByWhen's 2. Task Tree also leads on device support (3 vs 1) and iOS requirement (15.0 vs 17.0). ByWhen's advantage is update cadence (every 3 days vs every 56 months). On price and ads there is nothing between them.

Both are free to download. ByWhen sells 2 in-app purchases, starting at $4.99 per month. Task Tree asks for nothing beyond the download.

Task Tree ships an update every 56 months, ByWhen every 3 days. The most recent releases landed on September 25, 2026 and September 18, 2026 respectively.

## The numbers

| Metric | Task Tree | ByWhen |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.7 (7 ratings)](https://appshunter.io/ios/app/task-tree/id554026266/reviews)** | — |
| Number of ratings | **7** | — |
| Positive reviews | 62.5% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 56 months | **Every 3 days** |
| Monetization | Free | — |
| Size | 4 MB | 8 MB |
| Requires iOS | **15.0** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [NIK](https://appshunter.io/developer/492501748) | [NiONlite LLC](https://appshunter.io/developer/1891899842) |

## What reviewers say

### Task Tree

[App page](https://appshunter.io/ios/app/task-tree/id554026266)

This task manager allows you to organize your to-do lists using a hierarchical tree structure. It automatically updates progress based on subtasks and offers iCloud backup for your data. Create unlimited subcategories to manage complex projects.

**Highlights:** Tree structured tasks, Automatic progress status updates, iCloud backup and restore, Unlimited subcategory depth, Easy-to-use interface

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

**In-app purchases:** none


### ByWhen

[App page](https://appshunter.io/ios/app/bywhen-deadline-planner/id6778767584)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly Premium | $4.99 | per month |
| Annual Premium | $39.99 | per year |


## Frequently asked questions

### Is Task Tree free?

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

### Is ByWhen free?

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

### Do Task Tree or ByWhen have ads?

Neither Task Tree nor ByWhen shows ads.

### Which is updated more often, Task Tree or ByWhen?

Task Tree ships an update every 56 months, and ByWhen every 3 days. Most recently, Task Tree was updated on September 25, 2026 and ByWhen on September 18, 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.*