# Zeus Link vs Optimum Angle

The clearest difference is price: Zeus Link at Free against Optimum Angle's $3.99. Zeus Link also leads on iOS requirement (11.0 vs 15). On update cadence, ads, in-app purchases and device support there is nothing between them.

Zeus Link is free to download; Optimum Angle costs $3.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Both ship on a similar rhythm, roughly every 6 months. The most recent releases landed on September 11, 2026 and September 8, 2026 respectively.

## The numbers

| Metric | Zeus Link | Optimum Angle |
| --- | --- | --- |
| Price | **Free** | $3.99 |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/optimum-angle/id6651824465/reviews)** |
| Number of ratings | — | **1** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 6 months | Every 6 months |
| Monetization | — | Paid |
| Size | 95 MB | 93 MB |
| Requires iOS | **11.0** | 15 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Holley Performance Products](https://appshunter.io/developer/1175069390) | [John Dickinson](https://appshunter.io/developer/1763955570) |

## What reviewers say

### Zeus Link

[App page](https://appshunter.io/ios/app/zeus-link/id1625331518)

**Features:** macOS Compatibility

**In-app purchases:** none


### Optimum Angle

[App page](https://appshunter.io/ios/app/optimum-angle/id6651824465)

This app provides precise drive shaft angle measurements for mechanics, engineers, and automotive enthusiasts. It simplifies workflows and enhances performance with an intuitive interface and advanced algorithms for accurate adjustments.

**Highlights:** Precision drive shaft angle measurement, Intuitive user interface, Advanced measurement algorithms, Performance optimization, Simplified workflow

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

**In-app purchases:** none


## Frequently asked questions

### Is Zeus Link free?

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

### Is Optimum Angle free?

Optimum Angle costs $3.99, with no in-app purchases.

### Do Zeus Link or Optimum Angle have ads?

Neither Zeus Link nor Optimum Angle shows ads.

### Which is updated more often, Zeus Link or Optimum Angle?

Zeus Link ships an update every 6 months, and Optimum Angle every 6 months. Most recently, Zeus Link was updated on September 11, 2026 and Optimum Angle on September 8, 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.*