249+ iOS apps curated and reviewed
Every iPhone needs a few good system design corp apps. We benchmark 249+ of them on App Store rating, freshness, and pricing, then surface the standouts so you don't have to scroll the App Store yourself.
| # | App | Price | Rating | Ads | In-App Purchases | Updated | |
|---|---|---|---|---|---|---|---|
| 1 |  | Free | — | No | No | Aug 2026 | |
| 2 |  | Free | 3.6★ (15) | No | No | Oct 2026 | |
| 3 |  | Free | 5.0★ (33) | No | Yes | Oct 2026 | |
| 4 |  | Free | — | No | Yes | Oct 2026 | |
| 5 |  | Free | 4.3★ (535) | No | Yes | Oct 2026 | |
| 6 |  | Free | — | No | No | May 2026 | |
| 7 |  | Free | 4.4★ (17) | No | No | Oct 2026 | |
| 8 |  | Free | — | No | No | Jun 2026 |
Design and plan physical security systems with this app. Upload floor plans, add device icons with coverage areas, capture photos, and automate a bill of materials. Collaborate with others and generate professional reports without paper.
Prepare for software engineering interviews with structured learning paths, practical guides, and interactive quizzes. Gain confidence in system design, data structures, algorithms, and behavioral questions. Access real interview experiences and community insights.
