# Duck vs SmartTub

The clearest difference is in-app purchases: Duck at none against SmartTub's 1. Duck also leads on ratings volume (175 vs 13) and review sentiment (83% vs 71%). On price, rating, update cadence and ads there is nothing between them.

Both are free to download. SmartTub sells 1 one-off in-app purchase. Duck asks for nothing beyond the download.

On the App Store both sit at effectively the same score — 4.7 for Duck against 4.7 for SmartTub. That said, the two scores are not equally well evidenced: Duck has 175 ratings behind it against 13, so its average is the more settled of the two. Written reviews are what separate them: 83% of Duck's written reviews are positive against 71% of SmartTub's.

Duck ships an update every 3 months, SmartTub every 5 months. Both last shipped on November 1, 2026.

## The numbers

| Metric | Duck | SmartTub |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.7 (175 ratings)](https://appshunter.io/ios/app/duck/id304852364/reviews) | **[4.7 (13 ratings)](https://appshunter.io/ios/app/smarttub/id435173941/reviews)** |
| Number of ratings | **175** | 13 |
| Positive reviews | **83.1% of reviews** | 70.5% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Every 3 months** | Every 5 months |
| Monetization | **Free** | Free with in-app purchases |
| Size | 4 MB | 77 MB |
| Requires iOS | 17.6 | **16.6** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, Apple Watch |
| Age rating | 4+ | 4+ |
| Developer | [Mark Miller](https://appshunter.io/developer/662916434) | [sorakaze Inc.](https://appshunter.io/developer/1046448101) |

## What reviewers say

### Duck

[App page](https://appshunter.io/ios/app/duck/id304852364)

This app presents a simple, interactive duck that quacks. It's a straightforward and amusing digital companion for lighthearted entertainment.

**Highlights:** Interactive duck simulation, Quacking sound effects, Amusing visual element, Coffee-themed surprise

**In-app purchases:** none

**What reviewers like**

- 🦆 Entertaining duck animations
- 👍 Simple and easy to use
- 🤗 Brings joy and amusement
- 😌 Calming and relaxing experience
- 🥰 Cute and adorable ducks

**What reviewers complain about**

- 🤔 Lack of clear purpose or gameplay
- 😒 Repetitive and monotonous after a while
- 🤨 Limited features and interactivity
- 🙄 Questionable value for some users

**Reported bugs**

- Ducks sliding off the screen
- Inconsistent sound effects

**Requested features**

- More duck animations and behaviors
- Additional customization options
- Expanded functionality beyond just watching ducks
- Integration with other apps or services


### SmartTub

[App page](https://appshunter.io/ios/app/smarttub/id435173941)

Experience a playful virtual bath with floating ducks. Interact with them by tilting your device, shaking to add more, flicking them around, or tapping to hear them quack. Enjoy a simple, interactive entertainment experience.

**Highlights:** Tilt to move ducks, Shake to add ducks, Flick ducks, Tap ducks to quack, Force Touch on Apple Watch to reset

**Features:** Family Sharing, Apple Watch app, iMessage stickers

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Extension Pack | $1.99 | one-time |

**What reviewers like**

- 🦆 Cute rubber ducks
- 😌 Relaxing and calming
- 🧸 Good for children
- ✨ Simple and fun
- 💖 Highly recommended

**What reviewers complain about**

- 🤷‍♀️ Lacks clear purpose
- 🥱 Becomes boring quickly
- 💸 In-app purchase expensive
- 🖱️ Limited interaction
- ❓ Confusing controls

**Reported bugs**

- Widget not working
- App not launching on Apple Watch SE
- App icon not appearing on screen

**Requested features**

- Add more toys and variations
- Implement a delete duck feature
- Add different colored ducks
- Allow water to react to touch
- Add a ripple effect


## Frequently asked questions

### Is Duck free?

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

### Is SmartTub free?

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

### Which has better reviews, Duck or SmartTub?

SmartTub is rated higher. Duck averages 4.7 out of 5 from 175 ratings, while SmartTub averages 4.7 from 13 ratings.

### Do Duck or SmartTub have ads?

Neither Duck nor SmartTub shows ads.

### Which is updated more often, Duck or SmartTub?

Duck ships an update every 3 months, and SmartTub every 5 months. Most recently, Duck was updated on November 1, 2026 and SmartTub on November 1, 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.*