# Luvu vs Knack

The clearest difference is device support: Knack at 3 against Luvu's 1. Knack also leads on iOS requirement (15.0 vs 18.0). On price, ads and in-app purchases there is nothing between them.

Both are free to download. Luvu sells 10 in-app purchases, starting at $19.99 per month and Knack sells 1 in-app purchase, starting at $9.99 per month. Whichever you choose, the download price is not the number that matters.

## The numbers

| Metric | Luvu | Knack |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.6 (319 ratings)](https://appshunter.io/ios/app/luvu-screen-time-control/id6755830431/reviews)** | — |
| Number of ratings | **319** | — |
| Positive reviews | 36.8% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 4 days | — |
| Monetization | Free with in-app purchases | — |
| Size | 174 MB | 2 MB |
| Requires iOS | 18.0 | **15.0** |
| Devices | iPhone | **iPhone, iPad, iPod** |
| Age rating | 12+ | 4+ |
| Developer | [Luvu](https://appshunter.io/developer/1823093740) | [Elite Edge Solutions](https://appshunter.io/developer/1893481255) |

## What reviewers say

### Luvu

[App page](https://appshunter.io/ios/app/luvu-screen-time-control/id6755830431)

This app helps you control screen time and boost productivity by blocking distracting apps and launching focus sessions. It uses gamification and emotional coaching to help you break bad habits and build healthier routines.

**Highlights:** Auto-enforced focus sessions, Distraction blocking, Personalized habit building, Game-like retention, Emotional accountability, Daily rituals and wins

**In-app purchases (10)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Luvu Plus | $19.99 | per month |
| Luvu Plus | $19.99 | per month |
| Luvu Plus | $39.99 | per year |
| Luvu Plus | $39.99 | per year |
| Luvu Plus | $39.99 | per year |
| Luvu Plus | $59.99 | per year |
| Luvu Plus | $59.99 | per year |
| Luvu Plus | $59.99 | per year |
| Luvu Plus | $79.99 | per year |
| Luvu Plus | $79.99 | per year |


### Knack

[App page](https://appshunter.io/ios/app/knack-writing-assistant/id6790510640)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly | $9.99 | per month |


## Frequently asked questions

### Is Luvu free?

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

### Is Knack free?

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

### Do Luvu or Knack have ads?

Neither Luvu nor Knack shows ads.

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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.*