220+ iOS apps curated and reviewed
The best udl1 config apps on iPhone average 3.8★ across 220+ titles — we've ranked them by what real users actually keep on their phones. Updated June 2026.
| # | App | Price | Rating | Ads | In-App Purchases | Updated |
|---|---|---|---|---|---|---|
| 1 |  | Free | — | — | No | May 2026 |
| 2 |  | Free | — | No | No | May 2026 |
| 3 |  | Free | 4.5★ (4.8K) | No | No | Jul 2026 |
| 4 |  | Free | 4.5★ (414) | No | No | Jul 2026 |
| 5 |  | Free | 4.8★ (24K) | No | No | Aug 2026 |
| 6 |  | Free | 4.7★ (16K) | Yes | No | Aug 2026 |
| 7 |  | Free | 4.7★ (7) | No | No | May 2026 |
| 8 |  | Free | 2.9★ (614) | No | No | Jul 2026 |
This app extends your desk phone functionality to your mobile device. Access contacts, join meetings, and manage calls and voicemails with a new, intuitive interface. It ensures your business caller ID is used, keeping your personal number private.
This app is a versatile tool for scanning, exploring, and communicating with Bluetooth Low Energy devices. It also enables your device to act as a peripheral and supports firmware updates for compatible devices.
Enhance your audio experience with customizable sound modes and a powerful equalizer. Effortlessly manage multiple Bluetooth devices, update firmware, and control playback. Access detailed information about your headphones and the brand.
Make affordable national and international calls directly from your iPhone. Save on mobile costs by using this app over various internet connections, including Wi-Fi. Access your contacts and bypass VoIP blockades for seamless communication worldwide.
Configure your Mobilinkd TNC3 packet radio modem. Adjust audio settings, PTT signaling, power, and KISS parameters for optimal packet radio communication.
Manage your Vodafone mobile and home services from a single, redesigned application. Track usage, pay bills, activate bundles, and access customer support easily. Ideal for all Vodafone subscribers.
Get instant global connectivity with an e-SIM in over 120 countries, avoiding roaming fees. This app also provides a second phone number for enhanced privacy and convenience, with unlimited calls and texts.
This app enables remote work by allowing users to access their office phone extension from any location. It facilitates calls, conference scheduling, team chat, and video conferencing directly from an iOS device.
This app provides virtual SIM cards for global internet access, eliminating roaming fees. It offers affordable prepaid data plans in over 200 destinations, allowing users to stay connected without swapping physical SIMs. It also supports in-car Wi-Fi for connected vehicles.
Access your FirstClass account on the go with this mobile app. Manage emails, view documents, access calendars and contacts, and participate in conferences from your device. Enjoy a true anytime, anywhere collaboration experience.
Configure and monitor cathodic protection rectifiers remotely. This app connects via Bluetooth to the RMU3 unit, allowing full control over settings, viewing diagnostic information, and managing measurement data. It requires specific hardware to function.
Securely access your company's network, email, and work applications from your iOS device. This app provides automated connections to corporate Wi-Fi and VPNs, with features for locating lost devices and ensuring compliance with security policies.
This app enables VoIP calls and SMS over data networks like 3G/4G and WiFi. It also offers cross-platform instant messaging and simplified calling card usage. Users need an operator code from a VoIP service provider to use its features.
Manage your mobile and home internet services, track usage, and pay bills easily. Discover special plans, purchase add-ons, and enjoy fast, free delivery on devices and accessories. Access exclusive campaign opportunities and manage your 4.5G and roaming settings.
This app provides flexible prepaid wireless plans with nationwide coverage and no contracts. Manage your service, track usage, and add features easily. Enjoy free international calling to over 200 countries.
This app extends your business phone system to your mobile device, allowing you to manage calls, messages, and customer interactions on the go. It provides features like business numbers, call recording, AI summaries, and CRM integrations to enhance productivity and customer service.
Access and manage your device's information, settings, and performance from a single, intuitive interface. Monitor battery, storage, and network status, and utilize helpful tools for troubleshooting and optimization.
This cloud-based communication platform unifies phone calls and video meetings for teams. It offers HD VoIP calling, SMS, and online fax with advanced call routing and customizable settings. Enjoy high-quality video collaboration for up to 200 participants, with screen sharing capabilities.