# The Buoyancy vs Sci

The clearest difference is price: Sci at Free against The Buoyancy's $1.99. Sci also leads on update cadence (every 2 days vs every 56 months). The Buoyancy's advantage is iOS requirement (12.0 vs 15.1). On ads, in-app purchases and device support there is nothing between them.

Sci is free to download; The Buoyancy costs $1.99 up front. Neither carries in-app purchases, so what you see is what you pay.

The Buoyancy ships an update every 56 months, Sci every 2 days. The most recent releases landed on November 3, 2026 and October 30, 2026 respectively.

## The numbers

| Metric | The Buoyancy | Sci |
| --- | --- | --- |
| Price | $1.99 | **Free** |
| Rating | — | **[5.0 (2 ratings)](https://appshunter.io/ios/app/sci-map/id6560105262/reviews)** |
| Number of ratings | — | **2** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 56 months | **Every 2 days** |
| Monetization | — | Free |
| Size | 259 MB | 33 MB |
| Requires iOS | **12.0** | 15.1 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [VIRTUAL FILAMENTS PRIVATE LIMITED](https://appshunter.io/developer/1474217212) | [Hands On Gainesville Inc](https://appshunter.io/developer/1758431842) |

## What reviewers say

### The Buoyancy

[App page](https://appshunter.io/ios/app/the-buoyancy/id1564691496)

**Features:** macOS Compatibility

**In-app purchases:** none


### Sci

[App page](https://appshunter.io/ios/app/sci-map/id6560105262)

Explore STEM concepts and problem-solving skills through hands-on activities tied to real-world locations. Search activities by site, STEM field, or curriculum standards. Activities are categorized for pre-visit, during-visit, and post-visit engagement.

**Highlights:** Hands-on STEM activities, Location-based exploration, Searchable by site name, Filter by STEM field, Curriculum standard alignment, Pre/during/post visit activities

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is The Buoyancy free?

The Buoyancy costs $1.99, with no in-app purchases.

### Is Sci free?

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

### Do The Buoyancy or Sci have ads?

Neither The Buoyancy nor Sci shows ads.

### Which is updated more often, The Buoyancy or Sci?

The Buoyancy ships an update every 56 months, and Sci every 2 days. Most recently, The Buoyancy was updated on November 3, 2026 and Sci on October 30, 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.*