# OBDify Car Diagnostic vs Latt.

The clearest difference is in-app purchases: Latt. at none against OBDify Car Diagnostic's 6. Latt. also leads on ads (none vs shown) and update cadence (every 3 days vs every 3 weeks). OBDify Car Diagnostic's advantage is iOS requirement (15.0 vs 26.0). On price and device support there is nothing between them.

Both are free to download. OBDify Car Diagnostic sells 6 in-app purchases, starting at $4.99 per month. Latt. asks for nothing beyond the download.

OBDify Car Diagnostic ships an update every 3 weeks, Latt. every 3 days. Both last shipped on October 24, 2026.

## The numbers

| Metric | OBDify Car Diagnostic | Latt. |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | Every 3 weeks | **Every 3 days** |
| Size | 64 MB | 3 MB |
| Requires iOS | **15.0** | 26.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 12+ |
| Developer | [OBDify](https://appshunter.io/developer/1689565023) | [Latt Technologies LLC](https://appshunter.io/developer/6788067375) |

## What reviewers say

### OBDify Car Diagnostic

[App page](https://appshunter.io/ios/app/obdify-car-diagnostic/id6754986520)

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

**In-app purchases (6)**

| Purchase | Price | Billing |
| --- | --- | --- |
| OBDify Premium (Monthly) | $4.99 | per month |
| OBDify Premium (Annual) | $47.99 | per year |
| Unlock 1 VIN | $19.99 | one-time |
| Unlock 3 VINs | $49.99 | one-time |
| Unlock 10 VINs | $119.99 | one-time |
| Unlock 25 VINs | $199.99 | one-time |


### Latt.

[App page](https://appshunter.io/ios/app/latt/id6788067373)

**In-app purchases:** none


## Frequently asked questions

### Is OBDify Car Diagnostic free?

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

### Is Latt. free?

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

### Do OBDify Car Diagnostic or Latt. have ads?

OBDify Car Diagnostic shows ads; Latt. does not.

### Which is updated more often, OBDify Car Diagnostic or Latt.?

OBDify Car Diagnostic ships an update every 3 weeks, and Latt. every 3 days. Most recently, OBDify Car Diagnostic was updated on October 24, 2026 and Latt. on October 24, 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.*