# Proformance Link vs OBDify

The clearest difference is in-app purchases: Proformance Link at none against OBDify's 4. Proformance Link also leads on iOS requirement (15.0 vs 18.2). OBDify's advantage is update cadence (every 4 days vs every 2 weeks). On price, ads and device support there is nothing between them.

Both are free to download. OBDify sells 4 in-app purchases, starting at $4.99 per 7 days. Proformance Link asks for nothing beyond the download.

Proformance Link ships an update every 2 weeks, OBDify every 4 days. The most recent releases landed on September 26, 2026 and September 8, 2026 respectively.

## The numbers

| Metric | Proformance Link | OBDify |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.0 (4 ratings)](https://appshunter.io/ios/app/proformance-link/id6755274184/reviews)** | — |
| Number of ratings | **4** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 2 weeks | **Every 4 days** |
| Monetization | Free | — |
| Size | 53 MB | 19 MB |
| Requires iOS | **15.0** | 18.2 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Proformance Diagnostics LLC](https://appshunter.io/developer/1852904316) | [Oleksandr Zhuryk](https://appshunter.io/developer/1892968311) |

## What reviewers say

### Proformance Link

[App page](https://appshunter.io/ios/app/proformance-link/id6755274184)

This diagnostic tool connects to trucks via Bluetooth to read and clear fault codes, monitor data streams, and perform DPF regeneration and speed limit calibration. It supports various popular truck engine models and offers real-time updates for advanced functions.

**Highlights:** Bluetooth connectivity, Fault code lookup and clearing, Data stream viewing, DPF regeneration and reset, Speed limit calibration, Supports multiple engine models

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

**In-app purchases:** none


### OBDify

[App page](https://appshunter.io/ios/app/obdify-obd2-car-scanner/id6762113465)

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

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| OBDify Premium | $4.99 | per 7 days |
| OBDify Pro | $9.99 | per month |
| OBDify Premium | $59.99 | per year |
| Lifetime Diagnostics | $19.99 | one-time |


## Frequently asked questions

### Is Proformance Link free?

Proformance Link is free to download, with no in-app purchases.

### Is OBDify free?

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

### Do Proformance Link or OBDify have ads?

Neither Proformance Link nor OBDify shows ads.

### Which is updated more often, Proformance Link or OBDify?

Proformance Link ships an update every 2 weeks, and OBDify every 4 days. Most recently, Proformance Link was updated on September 26, 2026 and OBDify on September 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.*