# AVDI Assist vs ERoar

The clearest difference is in-app purchases: AVDI Assist at none against ERoar's 1. AVDI Assist also leads on update cadence (every 3 months vs every 5 months) and iOS requirement (10.0 vs 17.0). On price, ads and device support there is nothing between them.

Both are free to download. ERoar sells 1 in-app purchase, starting at $9.99 per month. AVDI Assist asks for nothing beyond the download.

AVDI Assist ships an update every 3 months, ERoar every 5 months. The most recent releases landed on November 2, 2026 and November 4, 2026 respectively.

## The numbers

| Metric | AVDI Assist | ERoar |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.0 (1 ratings)](https://appshunter.io/ios/app/avdi-assist/id1113946941/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Every 3 months** | Every 5 months |
| Monetization | **Free** | Freemium |
| Size | 12 MB | 3 MB |
| Requires iOS | **10.0** | 17.0 |
| Devices | **iPhone, iPod** | iPhone |
| Age rating | 4+ | 17+ |
| Developer | [KAPDIAGNOSTICS.COM LTD](https://appshunter.io/developer/1722077360) | [ERoar Digital](https://appshunter.io/developer/1720718787) |

## What reviewers say

### AVDI Assist

[App page](https://appshunter.io/ios/app/avdi-assist/id1113946941)

This app provides a mobile solution for users of a specific diagnostic plan, offering access to a knowledge base, video manuals, forums, and a ticketing system. It also includes a feature to look up vehicle registration marks for targeted data.

**Highlights:** Access Knowledge Base, View Premium Video Manuals, Engage in AVDI Forums, Submit Support Tickets, Perform VRM Lookup Searches

**Features:** macOS Compatibility

**In-app purchases:** none


### ERoar

[App page](https://appshunter.io/ios/app/eroar/id6474127113)

This app provides real-time catalytic converter values, allowing users to track stock and see market fluctuations. It also facilitates direct connections with a network of buyers for sales.

**Highlights:** Real-time catalytic converter values, Stock tracking and value monitoring, Connect with a network of buyers, Buyer directory for potential customers, Market-linked pricing

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium | $9.99 | per month |


## Frequently asked questions

### Is AVDI Assist free?

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

### Is ERoar free?

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

### Do AVDI Assist or ERoar have ads?

Neither AVDI Assist nor ERoar shows ads.

### Which is updated more often, AVDI Assist or ERoar?

AVDI Assist ships an update every 3 months, and ERoar every 5 months. Most recently, AVDI Assist was updated on November 2, 2026 and ERoar on November 4, 2026.

---

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