# Rubber Duck Defender vs Bubble Rainbow

The clearest difference is review sentiment: Rubber Duck Defender at 100% against Bubble Rainbow's 0%. Rubber Duck Defender also leads on ads (none vs shown) and rating (5.0 vs 4.6). Bubble Rainbow's advantage is price (Free vs $1.99) and update cadence (every 6 months vs every 34 months). On in-app purchases and device support there is nothing between them.

Bubble Rainbow is free to download; Rubber Duck Defender costs $1.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Rubber Duck Defender holds the better App Store score, 5.0 against 4.6. That said, the two scores are not equally well evidenced: Bubble Rainbow has 88 ratings behind it against 3, so its average is the more settled of the two. Written reviews point the same way: 100% of Rubber Duck Defender's written reviews are positive against 0% of Bubble Rainbow's.

Rubber Duck Defender ships an update every 34 months, Bubble Rainbow every 6 months. Both last shipped on October 24, 2026.

## The numbers

| Metric | Rubber Duck Defender | Bubble Rainbow |
| --- | --- | --- |
| Price | $1.99 | **Free** |
| Rating | **[5.0 (3 ratings)](https://appshunter.io/ios/app/rubber-duck-defender/id1001871475/reviews)** | [4.6 (88 ratings)](https://appshunter.io/ios/app/bubble-rainbow-pop-and-explode/id6484271954/reviews) |
| Number of ratings | 3 | **88** |
| Positive reviews | **100.0% of reviews** | 0.0% of reviews |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | Every 34 months | **Every 6 months** |
| Monetization | Paid | **Ad-supported** |
| Size | 18 MB | 261 MB |
| Requires iOS | **12.0** | 14.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Ducky Planet LLC](https://appshunter.io/developer/442169107) | [Vira Games Inc.](https://appshunter.io/developer/1681862478) |

## What reviewers say

### Rubber Duck Defender

[App page](https://appshunter.io/ios/app/rubber-duck-defender/id1001871475)

Defend yourself as a rubber duck against incoming toy boats by throwing rocks. Enjoy authentic graphics and sounds inspired by bath toys in this endless aquatic adventure.

**Highlights:** Play as a rubber duck, Defend against toy boats, Throw rocks at targets, Authentic bath toy graphics and sounds, Unlimited levels, Quick gameplay

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

**In-app purchases:** none


### Bubble Rainbow

[App page](https://appshunter.io/ios/app/bubble-rainbow-pop-and-explode/id6484271954)

Immerse yourself in a vibrant bubble-popping adventure with captivating visuals and soothing sounds. Enjoy simple, addictive gameplay with powerful boosters to help you clear levels and achieve high scores. This relaxing game offers endless fun without time limits or lives.

**Highlights:** Colorful visuals, Simple and addictive gameplay, Powerful boosters, Progress through levels, Earn high scores, Endless fun

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

**In-app purchases:** none


## Frequently asked questions

### Is Rubber Duck Defender free?

Rubber Duck Defender costs $1.99, with no in-app purchases.

### Is Bubble Rainbow free?

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

### Which has better reviews, Rubber Duck Defender or Bubble Rainbow?

Rubber Duck Defender is rated higher. Rubber Duck Defender averages 5.0 out of 5 from 3 ratings, while Bubble Rainbow averages 4.6 from 88 ratings.

### Do Rubber Duck Defender or Bubble Rainbow have ads?

Bubble Rainbow shows ads; Rubber Duck Defender does not.

### Which is updated more often, Rubber Duck Defender or Bubble Rainbow?

Rubber Duck Defender ships an update every 34 months, and Bubble Rainbow every 6 months. Most recently, Rubber Duck Defender was updated on October 24, 2026 and Bubble Rainbow 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.*