# TaskTree vs ByWhen

The clearest difference is in-app purchases: TaskTree at none against ByWhen's 2. TaskTree 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 2 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. TaskTree asks for nothing beyond the download.

TaskTree ships an update every 2 months, ByWhen every 3 days. The most recent releases landed on September 20, 2026 and September 18, 2026 respectively.

## The numbers

| Metric | TaskTree | ByWhen |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 3 days** |
| Size | 55 MB | 8 MB |
| Requires iOS | **15.0** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [You-Huei Huang](https://appshunter.io/developer/1890418341) | [NiONlite LLC](https://appshunter.io/developer/1891899842) |

## What reviewers say

### TaskTree

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

**Features:** macOS Compatibility

**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 TaskTree free?

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

### Is ByWhen free?

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

### Do TaskTree or ByWhen have ads?

Neither TaskTree nor ByWhen shows ads.

### Which is updated more often, TaskTree or ByWhen?

TaskTree ships an update every 2 months, and ByWhen every 3 days. Most recently, TaskTree was updated on September 20, 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.*