# Spektral Mobile vs AU EngineCore

The clearest difference is price: Spektral Mobile at $14.99 against AU EngineCore's $22.99. AU EngineCore's advantage is update cadence (weekly vs monthly). On ads, in-app purchases, device support and iOS requirement there is nothing between them.

Spektral Mobile costs $14.99 and AU EngineCore $22.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Spektral Mobile ships an update monthly, AU EngineCore weekly. The most recent releases landed on September 28, 2026 and September 14, 2026 respectively.

## The numbers

| Metric | Spektral Mobile | AU EngineCore |
| --- | --- | --- |
| Price | **$14.99** | $22.99 |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Monthly | **Weekly** |
| Size | 4 MB | 13 MB |
| Requires iOS | 17.0 | **16.6** |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Matrix Productions Ltd](https://appshunter.io/developer/1875094312) | [Antonio Sorin TASU](https://appshunter.io/developer/1883473854) |

## What reviewers say

### Spektral Mobile

[App page](https://appshunter.io/ios/app/spektral-mobile/id6760348599)

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

**In-app purchases:** none


### AU EngineCore

[App page](https://appshunter.io/ios/app/au-enginecore/id6766300671)

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

**In-app purchases:** none


## Frequently asked questions

### Is Spektral Mobile free?

Spektral Mobile costs $14.99, with no in-app purchases.

### Is AU EngineCore free?

AU EngineCore costs $22.99, with no in-app purchases.

### Do Spektral Mobile or AU EngineCore have ads?

Neither Spektral Mobile nor AU EngineCore shows ads.

### Which is updated more often, Spektral Mobile or AU EngineCore?

Spektral Mobile ships an update monthly, and AU EngineCore weekly. Most recently, Spektral Mobile was updated on September 28, 2026 and AU EngineCore on September 14, 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.*