# Multiecuscan vs 3D Topology Optimizer

The clearest difference is ads: Multiecuscan at none against 3D Topology Optimizer's shown. Multiecuscan also leads on iOS requirement (13.0 vs 17.0). 3D Topology Optimizer's advantage is update cadence (every 6 days vs every 4 months). On price, in-app purchases and device support there is nothing between them.

Both are free to download. Multiecuscan sells 1 one-off in-app purchase and 3D Topology Optimizer sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

Multiecuscan ships an update every 4 months, 3D Topology Optimizer every 6 days. The most recent releases landed on October 13, 2026 and October 14, 2026 respectively.

## The numbers

| Metric | Multiecuscan | 3D Topology Optimizer |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[2.8 (14 ratings)](https://appshunter.io/ios/app/multiecuscan/id1436939705/reviews)** | — |
| Number of ratings | **14** | — |
| Positive reviews | 27.9% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 4 months | **Every 6 days** |
| Monetization | Free with in-app purchases | — |
| Size | 113 MB | 17 MB |
| Requires iOS | **13.0** | 17.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, Mac |
| Age rating | 4+ | 4+ |
| Developer | [FESSoft Ltd.](https://appshunter.io/developer/1436939704) | [Maximilian Benchieb](https://appshunter.io/developer/1805481309) |

## What reviewers say

### Multiecuscan

[App page](https://appshunter.io/ios/app/multiecuscan/id1436939705)

This advanced diagnostic tool offers dealer-level functionality for Fiat, Alfa Romeo, Lancia, and other select vehicle brands. It allows for fault code reading/clearing, live sensor data visualization, actuator testing, and various reset/programming functions. An OBD interface is required for full vehicle connectivity, though a simulation mode is available.

**Highlights:** Fault code reading and clearing, Live sensor data visualization, Actuator testing, Reset and programming functions, PROXI configuration, Service reminder reset, Generic EOBD diagnostics

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Multiecuscan Full (1 Year) | $59.99 | one-time |


### 3D Topology Optimizer

[App page](https://appshunter.io/ios/app/3d-topology-optimizer/id6809777918)

**Features:** Vision Pro support

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Topology Export | $0.99 | one-time |


## Frequently asked questions

### Is Multiecuscan free?

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

### Is 3D Topology Optimizer free?

3D Topology Optimizer is free to download, with in-app purchases available.

### Do Multiecuscan or 3D Topology Optimizer have ads?

3D Topology Optimizer shows ads; Multiecuscan does not.

### Which is updated more often, Multiecuscan or 3D Topology Optimizer?

Multiecuscan ships an update every 4 months, and 3D Topology Optimizer every 6 days. Most recently, Multiecuscan was updated on October 13, 2026 and 3D Topology Optimizer on October 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.*