# Garmin Catalyst™ vs JB4 PRO

The clearest difference is review sentiment: Garmin Catalyst™ at 82% against JB4 PRO's 50%. Garmin Catalyst™ also leads on rating (4.8 vs 4.4) and ratings volume (120 vs 14). On price, update cadence, ads and in-app purchases there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Garmin Catalyst™ holds the better App Store score, 4.8 against 4.4. That said, the two scores are not equally well evidenced: Garmin Catalyst™ has 120 ratings behind it against 14, so its average is the more settled of the two. Written reviews point the same way: 82% of Garmin Catalyst™'s written reviews are positive against 50% of JB4 PRO's.

Garmin Catalyst™ ships an update monthly, JB4 PRO fortnightly. The most recent releases landed on September 23, 2026 and September 13, 2026 respectively.

## The numbers

| Metric | Garmin Catalyst™ | JB4 PRO |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.8 (120 ratings)](https://appshunter.io/ios/app/garmin-catalyst/id1603280610/reviews)** | [4.4 (14 ratings)](https://appshunter.io/ios/app/jb4-pro/id6746129072/reviews) |
| Number of ratings | **120** | 14 |
| Positive reviews | **81.8% of reviews** | 50.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Monthly | **Fortnightly** |
| Monetization | Free | Free |
| Size | 220 MB | 22 MB |
| Requires iOS | 16.5 | **16.0** |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Garmin](https://appshunter.io/developer/411046952) | [Burger Motorsports, Inc](https://appshunter.io/developer/1815297026) |

## What reviewers say

### Garmin Catalyst™

[App page](https://appshunter.io/ios/app/garmin-catalyst/id1603280610)

Access and analyze your motorsports performance data on your smartphone. Review lap times, session summaries, and driver profiles. Track annual driving activity and session weather conditions.

**Highlights:** Access performance data, View lap times, Session summaries, Customizable driver profiles, Track annual activity, Record weather conditions

**In-app purchases:** none

**What reviewers like**

- 👍 Easy to use interface
- 🚀 Great performance data
- 💡 Actionable driving insights
- 👍 Simple setup
- 👍 Great for track drivers

**What reviewers complain about**

- 🐛 Glitches when logging in
- 🐛 App just glitches
- 🐛 Loading is soooo slow
- 🐛 Not user friendly
- 🐛 Comparing to friends frequently fails

**Reported bugs**

- Everytime you try logging in the app just glitches anyways can’t even get logged in.
- Comparing to others frequently fails
- Compare to friend feature way to frequently fails with the message about the tracks not matching well enough despite being the same track on the same days even.
- New version is off
- It won’t let me compare the laps with other friends on the same day. Says lap not similar. Literally same day same track same session.

**Requested features**

- Option to select 1-5 laps for optimum view
- Watch reference videos side by side on the Catalyst
- Add video review on phone or iPad
- Allow moving videos to iCloud for review
- Ability to download in-car camera footage directly from device to app


### JB4 PRO

[App page](https://appshunter.io/ios/app/jb4-pro/id6746129072)

Integrate your performance tuner with your smartphone to adjust engine maps, view real-time data, and manage system settings. This app requires a specific Bluetooth adapter for full functionality.

**Highlights:** Change maps, Monitor live engine data, Record logs, Manage fault codes, Update JB4 firmware, Smartphone integration

**In-app purchases:** none


## Frequently asked questions

### Is Garmin Catalyst™ free?

Garmin Catalyst™ is free to download, with no in-app purchases.

### Is JB4 PRO free?

JB4 PRO is free to download, with no in-app purchases.

### Which has better reviews, Garmin Catalyst™ or JB4 PRO?

Garmin Catalyst™ is rated higher. Garmin Catalyst™ averages 4.8 out of 5 from 120 ratings, while JB4 PRO averages 4.4 from 14 ratings.

### Do Garmin Catalyst™ or JB4 PRO have ads?

Neither Garmin Catalyst™ nor JB4 PRO shows ads.

### Which is updated more often, Garmin Catalyst™ or JB4 PRO?

Garmin Catalyst™ ships an update monthly, and JB4 PRO fortnightly. Most recently, Garmin Catalyst™ was updated on September 23, 2026 and JB4 PRO on September 13, 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.*