# SmartTub vs HumanController

The clearest difference is in-app purchases: HumanController at none against SmartTub's 1. HumanController also leads on review sentiment (100% vs 71%) and iOS requirement (14.0 vs 16.6). SmartTub's advantage is ads (none vs shown) and update cadence (every 5 months vs every 32 months). On price and device support there is nothing between them.

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

SmartTub ships an update every 5 months, HumanController every 32 months. The most recent releases landed on October 24, 2026 and October 9, 2026 respectively.

## The numbers

| Metric | SmartTub | HumanController |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.7 (13 ratings)](https://appshunter.io/ios/app/smarttub/id435173941/reviews)** | — |
| Number of ratings | **13** | — |
| Positive reviews | 70.5% of reviews | **100.0% of reviews** |
| In-app purchases | Yes | **No** |
| Ads | **No** | Yes |
| Update frequency | **Every 5 months** | Every 32 months |
| Monetization | Free with in-app purchases | **Ad-supported** |
| Size | 77 MB | 8 MB |
| Requires iOS | 16.6 | **14.0** |
| Devices | **iPhone, iPad, Apple Watch** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [sorakaze Inc.](https://appshunter.io/developer/1046448101) | [Tahito Aoki](https://appshunter.io/developer/289946976) |

## What reviewers say

### 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


### HumanController

[App page](https://appshunter.io/ios/app/humancontroller/id912264372)

Control a friend's actions using directional controls and customizable command buttons. Build trust for better obedience. Requires an iPhone and Bluetooth headphones, or local network play for multiple devices.

**Highlights:** Directional movement control, Customizable command buttons, Punch, kick, and jump actions, Relationship-based obedience, Local network play, Control multiple people or be controlled by multiple

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

**In-app purchases:** none


## Frequently asked questions

### Is SmartTub free?

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

### Is HumanController free?

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

### Do SmartTub or HumanController have ads?

HumanController shows ads; SmartTub does not.

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

SmartTub ships an update every 5 months, and HumanController every 32 months. Most recently, SmartTub was updated on October 24, 2026 and HumanController on October 9, 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.*