248+ iOS apps curated and reviewed
From beginner-friendly picks to power-user tools, our jb4 list covers 248+ iPhone apps updated through August 2026. Compare ratings, prices, and screenshots in one place.
| # | App | Price | Rating | Ads | In-App Purchases | Updated |
|---|---|---|---|---|---|---|
| 1 |  | $27.99 | 3.8★ (239) | No | No | Aug 2026 |
| 2 |  | Free | 4.4★ (14) | No | No | Aug 2026 |
| 3 |  | Free | 2.5★ (8) | No | No | Aug 2026 |
| 4 |  | Free | 4.7★ (59K) | No | No | Aug 2026 |
| 5 |  | Free | 4.7★ (128K) | No | No | Aug 2026 |
| 6 |  | Free | — | No | No | May 2026 |
| 7 |  | Free was $2.99 | — | No | No | Jul 2026 |
| 8 |  | Free | 4.9★ (39K) | No | No | Aug 2026 |
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.
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.
This GPS-based performance meter allows users to track various acceleration metrics like 0-60mph and 1/4 mile times. It enables sharing performance data on leaderboards and videos with real-time overlays. A dedicated hardware device is required for testing.
Enhance your JBL portable speaker experience with this app. Connect, control, and personalize your audio device to amplify sound, create a party atmosphere, or receive software updates and support.
Enhance your audio with this app, offering control over headphone settings like noise cancellation and ambient sound. Customize EQ, gestures, and voice assistants for a personalized listening experience. Compatible with a wide range of JBL headphone models.
Control and personalize your compatible JBL PartyBox speaker wirelessly. This app allows you to connect speakers, manage settings, and receive software updates and support for an enhanced audio experience.
This app helps technicians and contractors accurately and efficiently collect data from wireless and digital products onsite. It is compatible with Bluetooth wireless devices for streamlined data logging and readouts.
Easily set up and control your JBL Wi-Fi speakers, soundbars, and PartyBox products. Personalize your audio experience with custom EQ settings, manage all your devices, and stream music from integrated services.
This app helps you master JLPT N4 grammar with clear explanations and practice questions. It supports various devices and offers a comprehensive review of sentence patterns, with options to mark difficult words and take practice tests.
This app provides employees and candidates with access to career opportunities, job openings, pay stubs, benefits information, and HR resources. It aims to support professional development and streamline daily work for the JBS team.
