# OBDeleven vs D

The clearest difference is in-app purchases: D at none against OBDeleven's 10. D also leads on update cadence (every 5 days vs fortnightly) and iOS requirement (15.0 vs 17.0). OBDeleven's advantage is chart position (#143 vs unranked). On price, ads and device support there is nothing between them.

Both are free to download. OBDeleven sells 10 in-app purchases, starting at $69.99 per year. D asks for nothing beyond the download.

OBDeleven ships an update fortnightly, D every 5 days. The most recent releases landed on November 7, 2026 and November 5, 2026 respectively.

## The numbers

| Metric | OBDeleven | D |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.3 (1.6K ratings)](https://appshunter.io/ios/app/obdeleven-obd2-car-scanner/id1643119107/reviews)** | — |
| Number of ratings | **1.6K** | — |
| Positive reviews | 14.1% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Fortnightly | **Every 5 days** |
| Monetization | Free with in-app purchases | — |
| Best chart rank | **#143** | — |
| Size | 252 MB | 43 MB |
| Requires iOS | 17.0 | **15.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [OBDeleven UAB](https://appshunter.io/developer/1458334122) | [LUN LIU](https://appshunter.io/developer/1890125123) |

## What reviewers say

### OBDeleven

[App page](https://appshunter.io/ios/app/obdeleven-obd2-car-scanner/id1643119107)

**Currently charting:** #143 Top Grossing · Utilities (US App Store)

Transform your smartphone into a powerful car diagnostic and customization tool. Easily scan trouble codes, monitor live data, and access advanced features like coding and service functions for a wide range of car brands. Save time and money on car maintenance and personalization.

**Highlights:** Basic OBD2 diagnostics, Live data monitoring, Advanced diagnostics for licensed brands, One-Click Apps for customization, Vehicle history and VIN data, Maintenance and comfort features

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

**In-app purchases (10)**

| Purchase | Price | Billing |
| --- | --- | --- |
| PRO plan | $69.99 | per year |
| ULTIMATE plan | $239.99 | per year |
| 10 Credits | $3.99 | one-time |
| 100 Credits | $29.99 | one-time |
| 1000 Shadowing Credits | $34.99 | one-time |
| PRO plan subscription | $69.99 | one-time |
| 500 Credits | $90.99 | one-time |
| 5000 Shadowing Credits | $139.99 | one-time |
| ULTIMATE plan subscription | $239.99 | one-time |
| 10000 Shadowing Credits | $269.99 | one-time |

**What reviewers like**

- 🚀 Helpful diagnostic tool
- 👍 Easy to use
- 💡 Useful features for VW/Audi owners

**What reviewers complain about**

- 🐛 Compatibility issues with newer devices/OS
- 💰 Expensive credits/subscription model
- 🔍 Limited functionality compared to alternatives
- 🤖 Poor customer support
- 🔧 Unreliable/buggy performance

**Reported bugs**

- App crashes on login
- Inability to change vehicle type
- Functionality breaks after updates

**Requested features**

- Restore free access to core features
- Improve compatibility with more vehicle makes/models
- Add more diagnostic and coding capabilities


### D

[App page](https://appshunter.io/ios/app/d-sync-ecu/id6761677479)

**Features:** iPhone Duo support

**In-app purchases:** none


## Frequently asked questions

### Is OBDeleven free?

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

### Is D free?

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

### Do OBDeleven or D have ads?

Neither OBDeleven nor D shows ads.

### Which is updated more often, OBDeleven or D?

OBDeleven ships an update fortnightly, and D every 5 days. Most recently, OBDeleven was updated on November 7, 2026 and D on November 5, 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.*