Iris & Rainbow vs King Lou
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Iris & Rainbow
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.
- Browse recent arrivals and promotions
- Easy ordering and checkout
- Waitlist items
- Email notifications for fulfillment and shipping
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Welcome to the Iris and Rainbow App! The best way to shop with Iris and Rainbow on iOS! About Us: Features: - Browse all of our most recent arrivals and promotions - Easy ordering and checkout - Waitlist items and purchase them when they are back in stock - Email notification for order fulfillment and shipping
King Lou
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.
- Exclusive item access
- Early product launch access
- Quick product information
- Easy catalog browsing
- First-to-know notifications
- Secure and fast checkout
- Save favorite items
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Download the King Lou Pets app to unlock exclusive items, early access to product launches, and the quickest info on all things King Lou related. Everything you need, right at your fingertips. EASY BROWSING Shop the freshest new arrivals across our entire catalog. EXCLUSIVE ACCESS Be first to know about exclusive offers and new product launches through first-to-know notifications and app-user-only early access. SECURE CHECKOUT IN A FLASH Tap, swipe, shop and secure your new products in an instant with our super easy checkout. EARLY ACCESS Be the first to get your paws on our newest products! SAVE YOUR FAVES Find your favorites and save for later. Keep everything in one place for when you’re ready to make them yours.
Screenshots
Verdict
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.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
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. The most recent releases landed on October 24, 2026 and October 21, 2026 respectively.
| Parameter | Iris & Rainbow | King Lou |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (185 ratings) — better | 4.9 (307 ratings) |
| Positive reviews | 100.0% of reviews | 100.0% of reviews |
| Number of ratings | 185 | 307 — better |
| Update frequency | Every 2 months | Every 3 weeks — better |
| Ads | No — better | Yes |
| In-app purchases | No | No |
| Monetization | Free — better | Free with in-app purchases |
| Devices | iPhone, iPad, iPod — better | iPhone, iPod |
| Requires iOS | 15.1 | 15.1 |
| Further details — not scored | ||
| Size | 63 MB | 57 MB |
| Age rating | 9+ | 4+ |
| Developer | Rainbow Boutique, LLC | King Lou |
Customer experience
Iris & Rainbow
King Lou
In-app purchases
Iris & Rainbow
No in-app purchases
King Lou
No in-app purchases
Questions
Is Iris & Rainbow free?
Is King Lou free?
Which has better reviews, Iris & Rainbow or King Lou?
Do Iris & Rainbow or King Lou have ads?
Which is updated more often, Iris & Rainbow or King Lou?
Other comparisons
