Comparison

JB4 Mobile vs DiverLog+

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

JB4 Mobile

This app acts as a mobile data logger and display for vehicles equipped with a JB4 tuner. It allows users to monitor and log various engine parameters, view data in real-time, and adjust settings for performance tuning.

Highlights
  • Live gauge monitoring
  • Data logging and graphing
  • User adjustable settings
  • WMI settings modification
  • On-the-fly map switching
  • Code reading and deletion
Features
Currently charting
Read full description

The brand new JB4 Mobile application is finally ready for public release and has lots of great new features including: *Gauge theme customizations *Built-in raw CSV data viewer *Revamped User Adj./WMI data editors *New modern UI completely rewritten from the ground up *More seamless integration with our backend servers JB4 Connect Kit Users: 1) Install the Connect Kit per the installation guide for your vehicle 2) Create your account/sign in with this app 3) Ensure JB4 Mobile has all requested permissions 4) Tap the Connect button in JB4 Mobile About The App: JB4 Mobile is a mobile data logger and display for use with the JB4 tuner from Burger Motorsports. JB4 Mobile allows you to monitor and log multiple parameters from your JB4 equipped car. Parameters such as boost, rpm, fuel trims, air/fuel ratios, ignition advance and much more are available. Current Features: Live gauges Data logging Data graphing Log export via email Code reading/deletion Modify User Adj. (boost, fuel, etc.) settings Modify WMI settings Switch maps on the fly Auto WOT logging JB4 Firmware Updating JB4 ® is a registered trademark of Burger Motorsports Inc ® and is used with written permission.

About

DiverLog+

This app allows divers to digitally log and manage all aspects of their underwater adventures. Track dive details, gear, buddies, and locations. Sync data with dive computers and cloud backups, and share your experiences.

Highlights
  • Manage dive details
  • Search dives by location/buddy
  • Manage dive spots and gear
  • Track personal medical/certification info
  • Add photos and videos
  • Sync with desktop/cloud
  • Download/upload dive computer data
Features
Read full description

The DiverLog+ for mobile app is the premier full-featured dive log application. DiverLog+ is the Official App for Bluetooth Smart dive computers made by the following manufacturers: AQUALUNG, APEKS, HUISH/OCEANIC, SHERWOOD. FEATURES - View, edit, and manage your DC dive detail data - Search dives based on location, dive type, buddies, many more - View, edit and manage your favorite dive spots and locations - View, edit and manage your dive gear, buddies - Keep track of personal data including medical and certification information - Upload slates, MY INFO, GPS Location to Dive Computer (DSX only) - Add photos, Youtube video links to dives, and remember those fun times - Social sharing features - Synchronize with DiverLog application for desktop, laptop, and mobiles devices - Download dive data from Dive Computer, upload your desired settings to Dive Computer, update firmware to Dive Computer using Bluetooth Smart (currently supports BEACON, CALM-ACT, DSX, i200C, i300C, i330R, i330R Console, i470TC, i550C, i750TC, i770R, GEO 4.0, GEO AIR, PROPLUS 4.0, PROPLUS X, SAGE, VEO 4.0, WISDOM 4.0) - Much more ... SUMMARY DiverLog+ allows you to view, edit, and manage your dives easily. The dive detail section gives you all the information you need, including dive data, location and dive site information, tank and buddy information, gear bag, and more. Add your diving buddies and keep your personal certification and medical information on hand at all times. View your dive profile in full screen view. Add and manage your gear with easy entry forms. DiverLog+ offers you simple search methods to find your dives .. search by location, dive site, and even which computer you used! ...See all your dives on the world map, a unique feature we call your dive activity map! You can even keep track of your personal information, including medical and certification info. You can now sync your dives with the DiveCloud online dive data backup system so you never lose your dives, and always have them available, wherever you are! Connect with our developers by posting in the forum, or contact by email at the support website: https://ediverlog.com

Screenshots

JB4 Mobile4 screens
DiverLog+4 screens

Verdict

The call

The clearest difference is price: DiverLog+ at Free against JB4 Mobile's $27.99. DiverLog+ also leads on update cadence (every 5 weeks vs every 3 months) and iOS requirement (9.0 vs 15.1). JB4 Mobile's advantage is rating (3.8 vs 2.5) and review sentiment (52% vs 19%). On ratings volume, ads, in-app purchases and device support there is nothing between them.

Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS

CostPrice · In-app purchases · Ads · Monetization

DiverLog+ is free to download; JB4 Mobile costs $27.99 up front. Neither carries in-app purchases, so what you see is what you pay.

ReceptionRating · Positive reviews · Number of ratings

JB4 Mobile holds the better App Store score, 3.8 against 2.5. Both are backed by a comparable volume of ratings — 239 and 111 respectively. Written reviews point the same way: 52% of JB4 Mobile's written reviews are positive against 19% of DiverLog+'s.

UpkeepUpdate frequency

JB4 Mobile ships an update every 3 months, DiverLog+ every 5 weeks. The most recent releases landed on September 23, 2026 and September 4, 2026 respectively.

Scorecard7 real differences · 4 level
JB4 Mobile versus DiverLog+: the parameters behind the verdict, then further details
ParameterJB4 MobileDiverLog+
Price$27.99Free — better
Rating3.8 (239 ratings) — better2.5 (111 ratings)
Positive reviews52.4% of reviews — better19.1% of reviews
Number of ratings239 — better111
Update frequencyEvery 3 monthsEvery 5 weeks — better
AdsNoNo
In-app purchasesNoNo
MonetizationFree — betterFreemium
Best chart rank#7 — better
DevicesiPhone, iPad, iPod — betteriPhone, iPod
Requires iOS15.19.0 — better
Further details — not scored
Size24 MB89 MB
Age rating4+4+
DeveloperDmac Mobile Developments, LLCHead Watersports S.p.A.

Customer experience

JB4 Mobile

All ratings239 ratings
Positive66.9%
Neutral12.1%
Negative20.9%
Written reviews145 reviews
Positive52.4%
Neutral13.1%
Negative34.5%

DiverLog+

All ratings111 ratings
Positive26.1%
Neutral18.0%
Negative55.9%
Written reviews136 reviews
Positive19.1%
Neutral19.9%
Negative61.0%

User reviews

JB4 Mobile

From 239 App Store ratings

What we love

  • 🚀 Great app and a must have with the JB4
  • 🔒 Robust security features
  • 👍 Awesome data logging
  • 👍 Incredible Support
  • 👍 Works as expected

Room to improve

  • 🐛 Doesn't work properly, screen upside down and backwards
  • 🐛 Stopped working after update
  • 🐛 Bluetooth connection issues
  • 🐛 Gauges freezing
  • 🐛 Screen turns off

DiverLog+

From 111 App Store ratings

What we love

  • 🚀 Easy Bluetooth sync with dive computers
  • 📸 Photo and video storage integration
  • 📝 Comprehensive dive logging features
  • ⚙️ Convenient app-based computer settings
  • 🤝 Buddy and gear management

Room to improve

  • 🐛 Frequent app crashes
  • 💾 Data loss on phone replacement
  • 🔗 No cloud backup by default
  • ❌ No cross-device synchronization
  • 🔐 Unreliable account login system

Bugs and requests

JB4 Mobile

Reported bugs

5 issues
  • App crashes
  • Can't connect to server
  • Mirrored/inverted display
  • Compatibility issues with new iOS versions
  • Trouble logging in

Requested features

5 requests
  • Add CarPlay support
  • Allow customizing map names
  • Add more gauge styling options
  • Improve UI and layout
  • Integrate with Apple Carplay

DiverLog+

Reported bugs

28 issues
  • App crashes when downloading/syncing dives
  • Crashes during firmware updates
  • Crashes when accessing settings or verification
  • All dive data lost after app reinstall
  • Data loss when switching phones
Show 23 more
  • Bluetooth connection failures
  • Firmware update stuck at 99%
  • Incorrect elapsed dive time calculations
  • Download timeouts around 50%
  • GPS coordinates disappear after naming dive site
  • Tank pressure not auto-populated from wireless transmitter
  • Dive computer not recognized after updates
  • Sync failures with dive cloud
  • Cannot add photos or videos
  • Incomplete label text in log lists
  • Time synchronization not working
  • Settings revert to English/Anglo-Saxon format
  • Cannot update GPS locations for dive sites
  • Dive data shows incorrect tanks and mixes
  • Map displays wrong locations (e.g., Antarctica instead of Galapagos)
  • Keyboard input issues on iPad
  • App crashes on specific iPhone models
  • Network errors on login
  • Cannot edit personal information (blood type, insurance)
  • Graph display showing blank/white after updates
  • Account creation confusion
  • Password reset not working
  • Dives disappear after login

Requested features

20 requests
  • Cloud backup and sync across devices
  • iPad-optimized version with landscape mode
  • Cumulative dive time and average RMV statistics
  • Average depth per dive display
  • Merge/combine multiple dives into one
Show 15 more
  • Export to Excel or other formats
  • Ability to re-download deleted dives
  • Edit and delete dive locations easily
  • Back buttons in data entry forms
  • Photo thumbnails in dive log list
  • Safety stop indication during dives
  • Heart rate tracking integration
  • Ability to split dives recorded as one
  • Search by depth ranges (greater than/less than)
  • Multi-location search capability
  • Separate logs for scuba vs freediving
  • Battery indicator for dive computer
  • Customizable gear bag items
  • Manual GPS coordinate input and editing
  • Offline mode capability

In-app purchases

None

JB4 Mobile

No in-app purchases

None

DiverLog+

No in-app purchases

Questions

Is JB4 Mobile free?
JB4 Mobile costs $27.99, with no in-app purchases.
Is DiverLog+ free?
DiverLog+ is free to download, with no in-app purchases.
Which has better reviews, JB4 Mobile or DiverLog+?
JB4 Mobile is rated higher. JB4 Mobile averages 3.8 out of 5 from 239 ratings, while DiverLog+ averages 2.5 from 111 ratings.
Do JB4 Mobile or DiverLog+ have ads?
Neither JB4 Mobile nor DiverLog+ shows ads.
Which is updated more often, JB4 Mobile or DiverLog+?
JB4 Mobile ships an update every 3 months, and DiverLog+ every 5 weeks. Most recently, JB4 Mobile was updated on September 23, 2026 and DiverLog+ on September 4, 2026.

Other comparisons