# Zengine Energy Compass vs Aura

The clearest difference is in-app purchases: Zengine Energy Compass at none against Aura's 4. Zengine Energy Compass also leads on ads (none vs shown) and iOS requirement (14.0 vs 18.6). Aura's advantage is update cadence (every 5 days vs every 9 months). On price, review sentiment and device support there is nothing between them.

Both are free to download. Aura sells 4 in-app purchases, starting at $5.99 per month. Zengine Energy Compass asks for nothing beyond the download.

Zengine Energy Compass ships an update every 9 months, Aura every 5 days. The most recent releases landed on November 7, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | Zengine Energy Compass | Aura |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (6 ratings)](https://appshunter.io/ios/app/aura-biohacking-and-longevity/id6758859810/reviews)** |
| Number of ratings | — | **6** |
| Positive reviews | 100.0% of reviews | 100.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 9 months | **Every 5 days** |
| Monetization | **Free** | Free with in-app purchases |
| Size | 31 MB | 31 MB |
| Requires iOS | **14.0** | 18.6 |
| Devices | iPhone, iPod | **iPhone, iPad, Apple Watch** |
| Age rating | 4+ | 4+ |
| Developer | [Manfred Kuegel](https://appshunter.io/developer/1520736594) | [John Harding](https://appshunter.io/developer/975785049) |

## What reviewers say

### Zengine Energy Compass

[App page](https://appshunter.io/ios/app/zengine-energy-compass/id1555210196)

Understand your body's stress and energy responses by tracking your autonomous nervous system. Identify habits that drain or boost your vitality to improve sleep and overall well-being. Requires a compatible heart rate sensor for detailed analysis.

**Highlights:** Autonomous nervous system analysis, Stress and energy level tracking, Habit impact identification, Sleep improvement insights, Requires Polar heart rate sensor

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

**In-app purchases:** none


### Aura

[App page](https://appshunter.io/ios/app/aura-biohacking-and-longevity/id6758859810)

This app transforms your health data into a personalized biohacking protocol to help you reverse biological age. It provides data-driven insights, recovery advice, and a centralized dashboard for managing your longevity routine.

**Highlights:** Track biological age, Recovery advisory based on HRV, Precision protocol management, AI recovery summaries, Forgiving streak logic

**Features:** macOS Compatibility, Family Sharing, Apple Watch app, Vision Pro support

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Aura Pro Monthly | $5.99 | per month |
| Aura Pro Annual | $39.99 | per year |
| Aura Pro Family | $59.99 | per year |
| Aura Pro Lifetime | $99.99 | one-time |


## Frequently asked questions

### Is Zengine Energy Compass free?

Zengine Energy Compass is free to download, with no in-app purchases.

### Is Aura free?

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

### Do Zengine Energy Compass or Aura have ads?

Aura shows ads; Zengine Energy Compass does not.

### Which is updated more often, Zengine Energy Compass or Aura?

Zengine Energy Compass ships an update every 9 months, and Aura every 5 days. Most recently, Zengine Energy Compass was updated on November 7, 2026 and Aura on October 31, 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.*