# EYEWOW vs Knock AI

The clearest difference is rating: Knock AI at 5.0 against EYEWOW's 3.0. Knock AI also leads on update cadence (fortnightly vs every 5 weeks). EYEWOW's advantage is iOS requirement (9.0 vs 15.0). On price, ratings volume, ads and in-app purchases there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Knock AI holds the better App Store score, 5.0 against 3.0. Both are backed by a comparable volume of ratings — 1 and 2 respectively.

EYEWOW ships an update every 5 weeks, Knock AI fortnightly. The most recent releases landed on October 21, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | EYEWOW | Knock AI |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [3.0 (1 ratings)](https://appshunter.io/ios/app/eyewow/id1447352400/reviews) | **[5.0 (2 ratings)](https://appshunter.io/ios/app/knock-ai/id6504226345/reviews)** |
| Number of ratings | 1 | **2** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 5 weeks | **Fortnightly** |
| Monetization | Free | Free |
| Size | 111 MB | 47 MB |
| Requires iOS | **9.0** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Thema Optical Srl](https://appshunter.io/developer/1466607096) | [上海启扉绘梦智能科技有限公司](https://appshunter.io/developer/1751439886) |

## What reviewers say

### EYEWOW

[App page](https://appshunter.io/ios/app/eyewow/id1447352400)

Virtually try on a wide range of eyewear using augmented reality technology. See how different styles and colors look on you before making a purchase. Find nearby stores to buy your chosen frames.

**Highlights:** Virtual try-on with AR, Browse all eyewear collections, View different color options, Take screenshots of try-ons, Share on social media, Find nearby stores

**In-app purchases:** none


### Knock AI

[App page](https://appshunter.io/ios/app/knock-ai/id6504226345)

This AI-powered platform helps parents and children create personalized stories, picture books, and nursery rhymes. Users can choose themes and age tags to generate unique content, fostering creativity and documenting a child's growth journey.

**Highlights:** AI story and picture book generation, AI nursery rhyme creation, Customizable themes and age tags, Free library of stories and rhymes, Story collection for child's growth

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

**In-app purchases:** none


## Frequently asked questions

### Is EYEWOW free?

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

### Is Knock AI free?

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

### Which has better reviews, EYEWOW or Knock AI?

Knock AI is rated higher. EYEWOW averages 3.0 out of 5 from 1 ratings, while Knock AI averages 5.0 from 2 ratings.

### Do EYEWOW or Knock AI have ads?

Neither EYEWOW nor Knock AI shows ads.

### Which is updated more often, EYEWOW or Knock AI?

EYEWOW ships an update every 5 weeks, and Knock AI fortnightly. Most recently, EYEWOW was updated on October 21, 2026 and Knock AI on October 24, 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.*