# EZ Key Programming vs OBD JScan

The clearest difference is rating: OBD JScan at 4.7 against EZ Key Programming's 3.8. OBD JScan also leads on update cadence (every 3 weeks vs every 3 months) and ratings volume (1.3K vs 32). EZ Key Programming's advantage is in-app purchases (none vs 8) and iOS requirement (10.0 vs 13.0). On price, review sentiment, ads and device support there is nothing between them.

Both are free to download. OBD JScan sells 7 one-off in-app purchases. EZ Key Programming asks for nothing beyond the download.

OBD JScan holds the better App Store score, 4.7 against 3.8. That said, the two scores are not equally well evidenced: OBD JScan has 1.3K ratings behind it against 32, so its average is the more settled of the two. Written reviews point the same way: 76% of EZ Key Programming's written reviews are positive against 80% of OBD JScan's.

EZ Key Programming ships an update every 3 months, OBD JScan every 3 weeks. The most recent releases landed on October 8, 2026 and October 11, 2026 respectively.

## The numbers

| Metric | EZ Key Programming | OBD JScan |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [3.8 (32 ratings)](https://appshunter.io/ios/app/ez-key-programming/id1438149348/reviews) | **[4.7 (1.3K ratings)](https://appshunter.io/ios/app/obd-jscan/id1445903514/reviews)** |
| Number of ratings | 32 | **1.3K** |
| Positive reviews | 76.2% of reviews | **79.6% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 3 months | **Every 3 weeks** |
| Monetization | **Free** | Free with in-app purchases |
| Size | 35 MB | 403 MB |
| Requires iOS | **10.0** | 13.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 12+ |
| Developer | [Car Keys Express](https://appshunter.io/developer/1499407689) | [Piotr Bialic](https://appshunter.io/developer/960266498) |

## What reviewers say

### EZ Key Programming

[App page](https://appshunter.io/ios/app/ez-key-programming/id1438149348)

This app simplifies the process of programming replacement car keys using just your smartphone and a compatible OBD dongle. It guides users through the steps to program various types of vehicle keys via the OBD port, eliminating the need for bulky, traditional equipment.

**Highlights:** Program replacement auto keys, Connect to OBD dongle, Perform initial dongle setup, Guided key programming steps, Supports all auto key types

**Features:** macOS Compatibility

**In-app purchases:** none


### OBD JScan

[App page](https://appshunter.io/ios/app/obd-jscan/id1445903514)

This app provides advanced diagnostics for Jeep, Chrysler, and Dodge vehicles. It allows users to read and clear trouble codes, view live sensor data, and access settings across all vehicle modules, including ABS and transmission.

**Highlights:** Read/Clear Diagnostic Trouble Codes, Access Live Data from all sensors, View vehicle settings, Access all vehicle modules (ABS, Transmission, etc.), Identify module, VIN, Part Number, and Version, Share vehicle trouble codes

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

**In-app purchases (7)**

| Purchase | Price | Billing |
| --- | --- | --- |
| + 1 garage license | $9.99 | one-time |
| 1 VIN license | $20.99 | one-time |
| Add 1 VIN | $20.99 | one-time |
| Add 1 VIN Vehicle Slot | $20.99 | one-time |
| 3 VIN licenses | $54.99 | one-time |
| 5 VIN Licenses | $84.99 | one-time |
| 10 VIN Licenses | $149.99 | one-time |

**What reviewers like**

- 🚀 Easy to use
- 🔧 Powerful customization options
- 👍 Excellent customer support
- 💡 Useful diagnostic and monitoring features
- 🔓 Enables features otherwise locked by dealer

**What reviewers complain about**

- 🐛 Occasional connectivity issues
- 🔌 Requires additional hardware purchase
- ⚠️ Compatibility issues with newer vehicle models
- 🕰️ Slow performance in certain scenarios

**Reported bugs**

- Inability to save/export diagnostic data
- Inconsistent behavior when changing vehicle settings

**Requested features**

- Expanded vehicle compatibility
- Improved stability and reliability
- Enhanced user interface and guidance
- Integration with other vehicle apps/services


## Frequently asked questions

### Is EZ Key Programming free?

EZ Key Programming is free to download, with no in-app purchases.

### Is OBD JScan free?

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

### Which has better reviews, EZ Key Programming or OBD JScan?

OBD JScan is rated higher. EZ Key Programming averages 3.8 out of 5 from 32 ratings, while OBD JScan averages 4.7 from 1.3K ratings.

### Do EZ Key Programming or OBD JScan have ads?

Neither EZ Key Programming nor OBD JScan shows ads.

### Which is updated more often, EZ Key Programming or OBD JScan?

EZ Key Programming ships an update every 3 months, and OBD JScan every 3 weeks. Most recently, EZ Key Programming was updated on October 8, 2026 and OBD JScan on October 11, 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.*