# TaskQuadrant vs ByWhen

The clearest difference is in-app purchases: TaskQuadrant at none against ByWhen's 2. TaskQuadrant also leads on device support (3 vs 1) and iOS requirement (15.1 vs 17.0). On price, update cadence and ads there is nothing between them.

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

TaskQuadrant ships an update every 2 days, ByWhen every 3 days. The most recent releases landed on September 10, 2026 and September 18, 2026 respectively.

## The numbers

| Metric | TaskQuadrant | ByWhen |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Every 2 days** | Every 3 days |
| Size | 24 MB | 8 MB |
| Requires iOS | **15.1** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Charles Wee](https://appshunter.io/developer/1863837405) | [NiONlite LLC](https://appshunter.io/developer/1891899842) |

## What reviewers say

### TaskQuadrant

[App page](https://appshunter.io/ios/app/taskquadrant-task-planner/id6756943665)

**Features:** Family Sharing

**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 TaskQuadrant free?

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

### Is ByWhen free?

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

### Do TaskQuadrant or ByWhen have ads?

Neither TaskQuadrant nor ByWhen shows ads.

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

TaskQuadrant ships an update every 2 days, and ByWhen every 3 days. Most recently, TaskQuadrant was updated on September 10, 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.*