# OBDeleven VAG vs StringAlignPro

The clearest difference is price: OBDeleven VAG at Free against StringAlignPro's $9.99. StringAlignPro's advantage is in-app purchases (none vs 13). On update cadence, ads, device support and iOS requirement there is nothing between them.

OBDeleven VAG is free to download; StringAlignPro costs $9.99 up front. OBDeleven VAG sells 13 one-off in-app purchases. StringAlignPro asks for nothing beyond the download.

OBDeleven VAG ships an update every 3 weeks, StringAlignPro every 2 weeks. The most recent releases landed on October 11, 2026 and September 21, 2026 respectively.

## The numbers

| Metric | OBDeleven VAG | StringAlignPro |
| --- | --- | --- |
| Price | **Free** | $9.99 |
| Rating | **[4.5 (7K ratings)](https://appshunter.io/ios/app/obdeleven-vag/id1458334123/reviews)** | — |
| Number of ratings | **7K** | — |
| Positive reviews | 26.6% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 3 weeks | **Every 2 weeks** |
| Monetization | Free with in-app purchases | — |
| Size | 232 MB | 2 MB |
| Requires iOS | 15.0 | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [OBDeleven UAB](https://appshunter.io/developer/1458334122) | [RaceTracs Ltd](https://appshunter.io/developer/1852276263) |

## What reviewers say

### OBDeleven VAG

[App page](https://appshunter.io/ios/app/obdeleven-vag/id1458334123)

Transform your smartphone into a powerful car diagnostic tool. Easily scan, diagnose, and customize your vehicle's settings. Access advanced features like coding and live data to save time and money on car maintenance.

**Highlights:** Advanced diagnostics, Coding and adaptations, Output tests, Live data monitoring, One-Click Apps for customization, Basic OBD2 diagnostics

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

**In-app purchases (13)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 10 Credits (-30%) | $2.09 | one-time |
| Credits x10 | $3.99 | one-time |
| 100 Credits (-30%) | $16.49 | one-time |
| Credits x100 | $29.99 | one-time |
| 1000 Shadowing Credits | $34.99 | one-time |
| Pro subscription (-30%) | $45.49 | one-time |
| 500 Credits (-30%) | $69.99 | one-time |
| Pro subscription | $69.99 | one-time |
| Credits x500 | $90.99 | one-time |
| Ultimate subscription (-30%) | $125.99 | one-time |
| 5000 Shadowing Credits | $139.99 | one-time |
| Ultimate subscription | $239.99 | one-time |
| 10000 Shadowing Credits | $269.99 | one-time |

**What reviewers like**

- 🚀 Excellent diagnostic tool
- 👍 Easy to use app
- 💡 Useful one-click apps
- 🚀 Fast scanning and coding
- 👍 Saved money on dealership visits

**What reviewers complain about**

- 🐛 Buggy and unreliable connection
- 💰 Expensive credits for basic features
- 🔒 Poor customer support
- 💰 Nickel-and-diming business model
- 🐛 Compatibility issues with older devices

**Reported bugs**

- App crashes and freezes frequently
- Fails to connect to vehicle modules
- Coding changes not working as expected
- Losing purchased credits without explanation
- Incompatible with newer vehicle models

**Requested features**

- Add long coding and adaptation functionality
- Improve user interface and translations
- Provide more free credits or a one-time purchase option
- Improve compatibility with a wider range of vehicles
- Add data logging and live data monitoring features


### StringAlignPro

[App page](https://appshunter.io/ios/app/stringalignpro/id6780426421)

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

**In-app purchases:** none


## Frequently asked questions

### Is OBDeleven VAG free?

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

### Is StringAlignPro free?

StringAlignPro costs $9.99, with no in-app purchases.

### Do OBDeleven VAG or StringAlignPro have ads?

Neither OBDeleven VAG nor StringAlignPro shows ads.

### Which is updated more often, OBDeleven VAG or StringAlignPro?

OBDeleven VAG ships an update every 3 weeks, and StringAlignPro every 2 weeks. Most recently, OBDeleven VAG was updated on October 11, 2026 and StringAlignPro on September 21, 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.*