# TaskLens vs ByWhen

The clearest difference is device support: TaskLens at 3 against ByWhen's 1. TaskLens also leads on iOS requirement (13.0 vs 17.0). On price, update cadence, ads and in-app purchases there is nothing between them.

Both are free to download. TaskLens sells 1 in-app purchase, starting at $2.99 per month and ByWhen sells 3 in-app purchases, starting at $4.99 per month. Whichever you choose, the download price is not the number that matters.

Both ship on a similar rhythm, roughly weekly. The most recent releases landed on November 5, 2026 and November 10, 2026 respectively.

## The numbers

| Metric | TaskLens | ByWhen |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Weekly | Weekly |
| Size | 70 MB | 11 MB |
| Requires iOS | **13.0** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Virstack LLC](https://appshunter.io/developer/1700955603) | [NiONlite LLC](https://appshunter.io/developer/1891899842) |

## What reviewers say

### TaskLens

[App page](https://appshunter.io/ios/app/tasklens-ai-productivity-hub/id6762246508)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| TaskLensPro | $2.99 | per month |


### ByWhen

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

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly Premium | $4.99 | per month |
| Annual Premium | $39.99 | per year |
| Lifetime Premium | $79.99 | one-time |


## Frequently asked questions

### Is TaskLens free?

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

### Is ByWhen free?

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

### Do TaskLens or ByWhen have ads?

Neither TaskLens nor ByWhen shows ads.

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

TaskLens ships an update weekly, and ByWhen weekly. Most recently, TaskLens was updated on November 5, 2026 and ByWhen on November 10, 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.*