# BumperDucks vs Equilibrians (Lite)

The clearest difference is review sentiment: Equilibrians (Lite) at 100% against BumperDucks's 0%. Equilibrians (Lite) also leads on rating (4.0 vs 3.0) and device support (3 vs 1). BumperDucks's advantage is in-app purchases (none vs 1) and update cadence (every 2 months vs every 105 months). On price and ads there is nothing between them.

Both are free to download. Equilibrians (Lite) sells 1 one-off in-app purchase. BumperDucks asks for nothing beyond the download.

Equilibrians (Lite) holds the better App Store score, 4.0 against 3.0. Both are backed by a comparable volume of ratings — 3 and 1 respectively. Written reviews point the same way: 0% of BumperDucks's written reviews are positive against 100% of Equilibrians (Lite)'s.

BumperDucks ships an update every 2 months, Equilibrians (Lite) every 105 months. The most recent releases landed on June 11, 2026 and September 23, 2026 respectively.

## The numbers

| Metric | BumperDucks | Equilibrians (Lite) |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [3.0 (3 ratings)](https://appshunter.io/ios/app/bumperducks/id1032489603/reviews) | **[4.0 (1 ratings)](https://appshunter.io/ios/app/equilibrians-lite/id1232206920/reviews)** |
| Number of ratings | **3** | 1 |
| Positive reviews | 0.0% of reviews | **100.0% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Every 2 months** | Every 105 months |
| Monetization | **Free** | Free with in-app purchases |
| Size | 43 MB | 209 MB |
| Requires iOS | **5.1.1** | 13.0 |
| Devices | iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Smithsonian Institution](https://appshunter.io/developer/370564865) | [Oddrobo Software AB](https://appshunter.io/developer/423545647) |

## 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


### Equilibrians (Lite)

[App page](https://appshunter.io/ios/app/equilibrians-lite/id1232206920)

A puzzle game where players balance creatures of different weights on a seesaw. It visually explains mathematical concepts and requires constructing valid mathematical equalities to solve puzzles. Offers multiple solutions and collectible rewards.

**Highlights:** Balance and weight puzzles, Visual mathematical explanations, Constructing mathematical equalities, Multi-user support, Collectible stars and stickers, Randomly generated puzzles

**Features:** macOS Compatibility, Family Sharing

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Full Game | $1.99 | one-time |


## Frequently asked questions

### Is BumperDucks free?

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

### Is Equilibrians (Lite) free?

Equilibrians (Lite) is free to download, with in-app purchases available.

### Which has better reviews, BumperDucks or Equilibrians (Lite)?

Equilibrians (Lite) is rated higher. BumperDucks averages 3.0 out of 5 from 3 ratings, while Equilibrians (Lite) averages 4.0 from 1 ratings.

### Do BumperDucks or Equilibrians (Lite) have ads?

Neither BumperDucks nor Equilibrians (Lite) shows ads.

### Which is updated more often, BumperDucks or Equilibrians (Lite)?

BumperDucks ships an update every 2 months, and Equilibrians (Lite) every 105 months. Most recently, BumperDucks was updated on June 11, 2026 and Equilibrians (Lite) on September 23, 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.*