# AR Assistant (ARA) vs Troodon OBD

The clearest difference is update cadence: Troodon OBD at every 3 weeks against AR Assistant (ARA)'s every 2 months. AR Assistant (ARA)'s advantage is iOS requirement (12.0 vs 15.0). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

AR Assistant (ARA) ships an update every 2 months, Troodon OBD every 3 weeks. The most recent releases landed on October 14, 2026 and October 17, 2026 respectively.

## The numbers

| Metric | AR Assistant (ARA) | Troodon OBD |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/ar-assistant-ara/id1531468814/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 3 weeks** |
| Monetization | Free | — |
| Size | 18 MB | 27 MB |
| Requires iOS | **12.0** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [HealTech Electronics Ltd.](https://appshunter.io/developer/979817070) | [DevCom spol. s r.o.](https://appshunter.io/developer/1725153456) |

## What reviewers say

### AR Assistant (ARA)

[App page](https://appshunter.io/ios/app/ar-assistant-ara/id1531468814)

Control and set up your AR Assistant (ARA) module from HealTech wirelessly via WiFi. Once installed, this free application operates offline and does not display advertisements, ensuring a seamless user experience.

**Highlights:** Wireless control via WiFi, Module setup and configuration, Offline operation, No advertisements, iOS device compatibility

**Features:** macOS Compatibility

**In-app purchases:** none


### Troodon OBD

[App page](https://appshunter.io/ios/app/troodon-obd/id6475777811)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is AR Assistant (ARA) free?

AR Assistant (ARA) is free to download, with no in-app purchases.

### Is Troodon OBD free?

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

### Do AR Assistant (ARA) or Troodon OBD have ads?

Neither AR Assistant (ARA) nor Troodon OBD shows ads.

### Which is updated more often, AR Assistant (ARA) or Troodon OBD?

AR Assistant (ARA) ships an update every 2 months, and Troodon OBD every 3 weeks. Most recently, AR Assistant (ARA) was updated on October 14, 2026 and Troodon OBD on October 17, 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.*