# BumperDucks vs Swap Gears

The clearest difference is ads: BumperDucks at none against Swap Gears's shown. BumperDucks also leads on update cadence (every 2 months vs every 21 months) and monetization model (free vs ad-supported). Swap Gears's advantage is rating (3.3 vs 3.0) and device support (3 vs 1). On price, ratings volume and in-app purchases there is nothing between them.

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

Swap Gears holds the better App Store score, 3.3 against 3.0. Both are backed by a comparable volume of ratings — 3 and 7 respectively.

BumperDucks ships an update every 2 months, Swap Gears every 21 months. Both last shipped on October 24, 2026.

## The numbers

| Metric | BumperDucks | Swap Gears |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [3.0 (3 ratings)](https://appshunter.io/ios/app/bumperducks/id1032489603/reviews) | **[3.3 (7 ratings)](https://appshunter.io/ios/app/swap-gears/id1053404936/reviews)** |
| Number of ratings | 3 | **7** |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | **Every 2 months** | Every 21 months |
| Monetization | **Free** | Ad-supported |
| Size | 43 MB | 20 MB |
| Requires iOS | **5.1.1** | 15.0 |
| Devices | iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Smithsonian Institution](https://appshunter.io/developer/370564865) | [亚州 王](https://appshunter.io/developer/991530214) |

## What reviewers say

### BumperDucks

[App page](https://appshunter.io/ios/app/bumperducks/id1032489603)

Navigate rubber ducks across a pond, avoiding obstacles and collecting treats. This educational game teaches physics concepts like collisions and mass's impact on acceleration through interactive gameplay. Customize your duck and build your own levels.

**Highlights:** Teaches Newton's Laws of Motion, Explains object collisions and mass impact, Classroom or home use, Customizable duck costumes, Printable/savable duck designs, Sandbox mode for level creation

**Features:** macOS Compatibility

**In-app purchases:** none


### Swap Gears

[App page](https://appshunter.io/ios/app/swap-gears/id1053404936)

Solve intricate mechanical puzzles by rearranging gears to complete circuits of motion. Fix contraptions by placing each piece in its correct spot. Enjoy the background music as you build your mechanical masterpieces.

**Highlights:** Gear rearrangement puzzles, Complete motion circuits, Fix contraptions, Multiple machine types, Background music

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is BumperDucks free?

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

### Is Swap Gears free?

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

### Which has better reviews, BumperDucks or Swap Gears?

Swap Gears is rated higher. BumperDucks averages 3.0 out of 5 from 3 ratings, while Swap Gears averages 3.3 from 7 ratings.

### Do BumperDucks or Swap Gears have ads?

Swap Gears shows ads; BumperDucks does not.

### Which is updated more often, BumperDucks or Swap Gears?

BumperDucks ships an update every 2 months, and Swap Gears every 21 months. Most recently, BumperDucks was updated on October 24, 2026 and Swap Gears 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.*