# Star vs CodeUp

The clearest difference is in-app purchases: CodeUp at none against Star's 1. CodeUp also leads on update cadence (every 6 months vs every 27 months). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. Star sells 1 one-off in-app purchase. CodeUp asks for nothing beyond the download.

Star ships an update every 27 months, CodeUp every 6 months. The most recent releases landed on October 10, 2026 and October 4, 2026 respectively.

## The numbers

| Metric | Star | CodeUp |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 27 months | **Every 6 months** |
| Size | 3 MB | 22 MB |
| Requires iOS | **12.0** | 13.4 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Siu Yuen Ho](https://appshunter.io/developer/814088527) | [Ben Siebert](https://appshunter.io/developer/1703019142) |

## What reviewers say

### Star

[App page](https://appshunter.io/ios/app/star-delta-calculator/id1602175282)

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Unlock Pro feature | $1.99 | one-time |


### CodeUp

[App page](https://appshunter.io/ios/app/codeup/id6462418728)

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

**In-app purchases:** none


## Frequently asked questions

### Is Star free?

Star is free to download, with in-app purchases available.

### Is CodeUp free?

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

### Do Star or CodeUp have ads?

Neither Star nor CodeUp shows ads.

### Which is updated more often, Star or CodeUp?

Star ships an update every 27 months, and CodeUp every 6 months. Most recently, Star was updated on October 10, 2026 and CodeUp on October 4, 2026.

---

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