# Rheosoft OBD2 vs OBD Vault

The clearest difference is in-app purchases: Rheosoft OBD2 at none against OBD Vault's 9. OBD Vault's advantage is iOS requirement (15.0 vs 26.0). On price, ads and device support there is nothing between them.

Both are free to download. OBD Vault sells 9 in-app purchases, starting at $2.99 per month. Rheosoft OBD2 asks for nothing beyond the download.

## The numbers

| Metric | Rheosoft OBD2 | OBD Vault |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | — | Every 4 days |
| Size | 3 MB | 39 MB |
| Requires iOS | 26.0 | **15.0** |
| Devices | iPhone, iPad | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [James Mittler II](https://appshunter.io/developer/1840960038) | [Bahdan Hal](https://appshunter.io/developer/6808813418) |

## What reviewers say

### Rheosoft OBD2

[App page](https://appshunter.io/ios/app/rheosoft-obd2/id6754894819)

**Features:** macOS Compatibility

**In-app purchases:** none


### OBD Vault

[App page](https://appshunter.io/ios/app/obd-vault/id6808813416)

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

**In-app purchases (9)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 1 vehicle · Per month | $2.99 | per month |
| 3 vehicles · Per month | $5.99 | per month |
| 10 vehicles · Per month | $14.95 | per month |
| 1 vehicle · Per year | $17.99 | per year |
| 3 vehicles · Per year | $35.99 | per year |
| 10 vehicles · Per year | $89.99 | per year |
| 1 vehicle · Lifetime | $34.99 | one-time |
| 3 vehicles · Lifetime | $69.99 | one-time |
| 10 vehicles · Lifetime | $174.99 | one-time |


## Frequently asked questions

### Is Rheosoft OBD2 free?

Rheosoft OBD2 is free to download, with no in-app purchases.

### Is OBD Vault free?

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

### Do Rheosoft OBD2 or OBD Vault have ads?

Neither Rheosoft OBD2 nor OBD Vault shows ads.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*