# ActiveOBD vs Engineer Ally Mobile

The clearest difference is in-app purchases: Engineer Ally Mobile at none against ActiveOBD's 1. ActiveOBD's advantage is iOS requirement (13.0 vs 15.0). On price, update cadence, ads and device support there is nothing between them.

Both are free to download. ActiveOBD sells 1 in-app purchase, starting at $4.99 per month. Engineer Ally Mobile asks for nothing beyond the download.

Both ship on a similar rhythm, roughly every 3 months. The most recent releases landed on November 3, 2026 and November 8, 2026 respectively.

## The numbers

| Metric | ActiveOBD | Engineer Ally Mobile |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.6 (39 ratings)](https://appshunter.io/ios/app/activeobd/id1524791245/reviews)** | — |
| Number of ratings | **39** | — |
| Positive reviews | 45.5% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 3 months | Every 3 months |
| Monetization | Freemium | — |
| Size | 24 MB | 66 MB |
| Requires iOS | **13.0** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Mykhailo Zolotarov](https://appshunter.io/developer/1524791247) | [Engineer Ally](https://appshunter.io/developer/1718528510) |

## What reviewers say

### ActiveOBD

[App page](https://appshunter.io/ios/app/activeobd/id1524791245)

This app functions as an OBDII scanner, offering specialized support for Subaru vehicles (MY2012+). It provides basic parameter readings for free, with a subscription unlocking advanced features like trouble code reading and data logging.

**Highlights:** OBDII scanning, Subaru-specific support (MY2012+), CVT Oil Temperature reading, AWD duty (%) parameter reading, Trouble code reading (full version), Data logging (full version), Graphs building (full version)

**Features:** Vision Pro support

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Full Version Subscription | $4.99 | per month |


### Engineer Ally Mobile

[App page](https://appshunter.io/ios/app/engineer-ally-mobile/id6748547519)

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

**In-app purchases:** none


## Frequently asked questions

### Is ActiveOBD free?

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

### Is Engineer Ally Mobile free?

Engineer Ally Mobile is free to download, with no in-app purchases.

### Do ActiveOBD or Engineer Ally Mobile have ads?

Neither ActiveOBD nor Engineer Ally Mobile shows ads.

### Which is updated more often, ActiveOBD or Engineer Ally Mobile?

ActiveOBD ships an update every 3 months, and Engineer Ally Mobile every 3 months. Most recently, ActiveOBD was updated on November 3, 2026 and Engineer Ally Mobile on November 8, 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.*