# Smart Unit Conversion vs Pegasus Orthobiologics

The clearest difference is in-app purchases: Pegasus Orthobiologics at none against Smart Unit Conversion's 1. Pegasus Orthobiologics also leads on ads (none vs shown) and update cadence (every 6 months vs every 15 months). Smart Unit Conversion's advantage is iOS requirement (13.4 vs 15.1). On price and device support there is nothing between them.

Both are free to download. Smart Unit Conversion sells 1 in-app purchase, starting at $1.99 per year. Pegasus Orthobiologics asks for nothing beyond the download.

Smart Unit Conversion ships an update every 15 months, Pegasus Orthobiologics every 6 months. The most recent releases landed on October 27, 2026 and October 30, 2026 respectively.

## The numbers

| Metric | Smart Unit Conversion | Pegasus Orthobiologics |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | Every 15 months | **Every 6 months** |
| Size | 41 MB | 16 MB |
| Requires iOS | **13.4** | 15.1 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 17+ | 12+ |
| Developer | [Yui Lau](https://appshunter.io/developer/1791465155) | [Pegasus Orthobiologics Corporation](https://appshunter.io/developer/1793643043) |

## What reviewers say

### Smart Unit Conversion

[App page](https://appshunter.io/ios/app/smart-unit-conversion/id1643381985)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 1 Year | $1.99 | per year |


### Pegasus Orthobiologics

[App page](https://appshunter.io/ios/app/pegasus-orthobiologics/id6741243699)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Smart Unit Conversion free?

Smart Unit Conversion is free to download, with in-app purchases available.

### Is Pegasus Orthobiologics free?

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

### Do Smart Unit Conversion or Pegasus Orthobiologics have ads?

Smart Unit Conversion shows ads; Pegasus Orthobiologics does not.

### Which is updated more often, Smart Unit Conversion or Pegasus Orthobiologics?

Smart Unit Conversion ships an update every 15 months, and Pegasus Orthobiologics every 6 months. Most recently, Smart Unit Conversion was updated on October 27, 2026 and Pegasus Orthobiologics 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.*