# Iris & Rainbow vs King Lou

The clearest difference is ads: Iris & Rainbow at none against King Lou's shown. Iris & Rainbow also leads on monetization model (free vs free with in-app purchases). King Lou's advantage is update cadence (every 3 weeks vs every 2 months). On price, rating, review sentiment and ratings volume there is nothing between them.

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

On the App Store both sit at effectively the same score — 5.0 for Iris & Rainbow against 4.9 for King Lou. Both are backed by a comparable volume of ratings — 185 and 307 respectively. Written reviews split almost evenly too, at 100% and 100% positive.

Iris & Rainbow ships an update every 2 months, King Lou every 3 weeks. Both last shipped on November 3, 2026.

## The numbers

| Metric | Iris & Rainbow | King Lou |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (185 ratings)](https://appshunter.io/ios/app/iris-and-rainbow/id1526418356/reviews)** | [4.9 (307 ratings)](https://appshunter.io/ios/app/king-lou/id6469634656/reviews) |
| Number of ratings | 185 | **307** |
| Positive reviews | 100.0% of reviews | 100.0% of reviews |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | Every 2 months | **Every 3 weeks** |
| Monetization | **Free** | Free with in-app purchases |
| Size | 63 MB | 57 MB |
| Requires iOS | 15.1 | 15.1 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 9+ | 4+ |
| Developer | [Rainbow Boutique, LLC](https://appshunter.io/developer/1526418358) | [King Lou](https://appshunter.io/developer/1712337213) |

## What reviewers say

### Iris & Rainbow

[App page](https://appshunter.io/ios/app/iris-and-rainbow/id1526418356)

Shop the latest arrivals and promotions from this brand directly on your iOS device. Easily place orders, manage your waitlist for out-of-stock items, and receive email notifications for order fulfillment and shipping.

**Highlights:** Browse recent arrivals and promotions, Easy ordering and checkout, Waitlist items, Email notifications for fulfillment and shipping

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

**In-app purchases:** none


### King Lou

[App page](https://appshunter.io/ios/app/king-lou/id6469634656)

Discover exclusive pet products, get early access to new launches, and stay informed about all things related to your furry friends. Shop the latest arrivals and save your favorites for later with a quick and secure checkout.

**Highlights:** Exclusive item access, Early product launch access, Quick product information, Easy catalog browsing, First-to-know notifications, Secure and fast checkout, Save favorite items

**Features:** macOS Compatibility

**In-app purchases:** none

**What reviewers like**

- 👍 High quality pet treats
- 👍 Dogs love the treats
- 👍 Healthy ingredients
- 👍 Fast shipping
- 👍 No smashed bags


## Frequently asked questions

### Is Iris & Rainbow free?

Iris & Rainbow is free to download, with no in-app purchases.

### Is King Lou free?

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

### Which has better reviews, Iris & Rainbow or King Lou?

Iris & Rainbow is rated higher. Iris & Rainbow averages 5.0 out of 5 from 185 ratings, while King Lou averages 4.9 from 307 ratings.

### Do Iris & Rainbow or King Lou have ads?

King Lou shows ads; Iris & Rainbow does not.

### Which is updated more often, Iris & Rainbow or King Lou?

Iris & Rainbow ships an update every 2 months, and King Lou every 3 weeks. Most recently, Iris & Rainbow was updated on November 3, 2026 and King Lou on November 3, 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.*