# A590DSP vs OBDify

The clearest difference is in-app purchases: A590DSP at none against OBDify's 4. A590DSP also leads on iOS requirement (8.0 vs 17.6). OBDify's advantage is update cadence (weekly vs every 5 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. A590DSP asks for nothing beyond the download.

A590DSP ships an update every 5 weeks, OBDify weekly. The most recent releases landed on November 2, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | A590DSP | OBDify |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 5 weeks | **Weekly** |
| Size | 30 MB | 66 MB |
| Requires iOS | **8.0** | 17.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [杏生 卢](https://appshunter.io/developer/1094592555) | [Oleksandr Zhuryk](https://appshunter.io/developer/1892968311) |

## What reviewers say

### A590DSP

[App page](https://appshunter.io/ios/app/a590dsp/id1428514492)

**Features:** macOS Compatibility

**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 A590DSP free?

A590DSP is free to download, with no in-app purchases.

### Is OBDify free?

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

### Do A590DSP or OBDify have ads?

Neither A590DSP nor OBDify shows ads.

### Which is updated more often, A590DSP or OBDify?

A590DSP ships an update every 5 weeks, and OBDify weekly. Most recently, A590DSP was updated on November 2, 2026 and OBDify on October 31, 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.*