# Buoyancy Calculator vs CloudLabs Common

The clearest difference is price: CloudLabs Common at Free against Buoyancy Calculator's $2.99. CloudLabs Common also leads on iOS requirement (9.0 vs 17.6). On update cadence, ads, in-app purchases and device support there is nothing between them.

CloudLabs Common is free to download; Buoyancy Calculator costs $2.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Buoyancy Calculator ships an update every 28 months, CloudLabs Common every 27 months. The most recent releases landed on November 2, 2026 and November 7, 2026 respectively.

## The numbers

| Metric | Buoyancy Calculator | CloudLabs Common |
| --- | --- | --- |
| Price | $2.99 | **Free** |
| Rating | **[2.3 (3 ratings)](https://appshunter.io/ios/app/buoyancy-calculator/id1393450923/reviews)** | — |
| Number of ratings | **3** | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 28 months | **Every 27 months** |
| Monetization | Paid | — |
| Size | 1 MB | 75 MB |
| Requires iOS | 17.6 | **9.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Nitrio](https://appshunter.io/developer/321121189) | [Jiovany Orozco](https://appshunter.io/developer/1114670847) |

## What reviewers say

### Buoyancy Calculator

[App page](https://appshunter.io/ios/app/buoyancy-calculator/id1393450923)

This app simplifies fluid mechanics calculations, allowing users to determine buoyant forces, densities, volumes, and weights. It offers real-time visualizations and interactive graphics to help understand physics principles like Archimedes' principle.

**Highlights:** Buoyant Force Calculator, Density Calculator, Volume Calculator, Weight Calculator, Real-time buoyancy visualization, Interactive graphics, Customizable decimal precision

**Features:** macOS Compatibility

**In-app purchases:** none


### CloudLabs Common

[App page](https://appshunter.io/ios/app/cloudlabs-common-ion-effect/id1596488428)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Buoyancy Calculator free?

Buoyancy Calculator costs $2.99, with no in-app purchases.

### Is CloudLabs Common free?

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

### Do Buoyancy Calculator or CloudLabs Common have ads?

Neither Buoyancy Calculator nor CloudLabs Common shows ads.

### Which is updated more often, Buoyancy Calculator or CloudLabs Common?

Buoyancy Calculator ships an update every 28 months, and CloudLabs Common every 27 months. Most recently, Buoyancy Calculator was updated on November 2, 2026 and CloudLabs Common on November 7, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*