Prepare for coding and system design interviews with structured learning, visual explanations, and pattern-based practice. Master core computer science concepts and build intuition for technical interviews.





249+ iOS apps curated and reviewed
The best deadlock concepts apps on iPhone average 4.5★ across 249+ titles — we've ranked them by what real users actually keep on their phones. Updated July 2026.
| # | App | Price | Rating | Ads | In-App Purchases | Updated |
|---|---|---|---|---|---|---|
| 1 | Free | — | No | No | Jun 2026 | |
| 2 | Free | 5.0★ (3) | No | Yes | Aug 2026 | |
| 3 | Free | 4.4★ (25) | No | Yes | Aug 2026 | |
| 4 | Free | 4.6★ (9) | No | No | Aug 2026 | |
| 5 | Free | 4.6★ (10) | Yes | Yes | Aug 2026 | |
| 6 | Free | 4.6★ (5) | No | No | Aug 2026 | |
| 7 | Free | 4.7★ (40) | Yes | No | Aug 2026 | |
| 8 | Free | 5.0★ (1) | No | Yes | Aug 2026 |











Prepare for coding and system design interviews with structured learning, visual explanations, and pattern-based practice. Master core computer science concepts and build intuition for technical interviews.






This application provides a high-performance connection engine for ultra-fast and private internet access. It uses advanced encryption and distributed technology to eliminate geographical barriers and ensure data security. Ideal for professionals, gamers, and video enthusiasts seeking seamless global connectivity.


Access and manage your Proxmox Virtual Environment servers remotely. Monitor cluster status, control virtual machines and containers, and perform essential administrative tasks like backups and migrations.


This utility app allows users to benchmark DNS providers using real DNS-over-HTTPS requests. It measures latency and reliability, helping you compare performance and identify the best resolver for your network. Test custom DNS endpoints and track your benchmark history with clear diagnostics.


Manage your entire cloud infrastructure from your mobile device. Monitor services, logs, metrics, and alerts, and control deployments and rollbacks on the go.


Diagnose and optimize your internet connection with essential network utilities. This tool offers ping tests, traceroute debugging, and regional ping testing to assess stability and identify bottlenecks. It also provides device information for a comprehensive network overview.


Manage your Synology Network Attached Storage (NAS) remotely. Browse files, manage photos, control downloads, and monitor system status from your mobile device.


This app facilitates incident management, escalation, and team collaboration. It allows users to receive notifications, resolve, investigate, escalate, and comment on incidents. Users can also reopen previously closed incidents.


This app provides full remote SSH control of your servers through a dedicated server installation. It offers a feature-rich SSH terminal with multi-session support, file management, server statistics, and tunnel management.


This tool offers advanced control over network traffic, supporting multiple proxy protocols and flexible rule-based routing. Monitor real-time speeds, manage subscriptions, and enhance DNS security. Ideal for developers and power users seeking a customized network environment.


Diagnose internet connection issues beyond simple speed tests. It measures ping, jitter, packet loss, and latency spikes to provide a stability score and actionable advice for gamers, remote workers, and streamers.


Receive and manage real-time alerts and notifications for your infrastructure monitoring. Gain immediate insights into system performance and troubleshoot issues on the fly with comprehensive data visualization and anomaly detection.


Securely connect devices, users, and workloads with a mesh VPN built on WireGuard. It brings identity to network access, enabling Zero Trust principles across diverse environments. Modernize your network for homelabs, businesses, and cloud infrastructure.


Prepare for AWS certification exams with comprehensive learning materials. Access tutorials, video courses, quizzes, and practice labs offline. Track your progress and join a community for support.


This business tool streamlines incident management and event logging by providing real-time, shared situational awareness. It helps teams respond more efficiently by ensuring the right information reaches the right people promptly.


Explore and learn about a wide range of algorithms through clear explanations and animations. Deepen your understanding with interactive simulation modes and discover algorithms related to encryption and security. This app offers a comprehensive journey into the world of computer science concepts.


This platform streamlines incident response for teams, enabling faster resolution and learning. It provides automated runbooks, scribe tools, and analytics to improve products and processes.


This app provides detailed insights into your internet connection's performance. It offers live speed tests, deep network scans, and clear recommendations to help you understand and improve your online experience.

