189+ iOS apps curated and reviewed
Every iPhone needs a few good pfi knowledge solutions apps. We benchmark 189+ 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 | 4.4★ (10) | — | No | May 2026 | |
| 2 |  | Free | 5.0★ (1) | No | No | May 2026 | |
| 3 |  | Free | 4.8★ (4.1K) | Yes | Yes | Sep 2026 | |
| 4 |  | $2.99 | 4.8★ (3.4K) | No | Yes | Sep 2026 | |
| 5 |  | Free | 4.1★ (414) | No | No | Aug 2026 | |
| 6 |  | Free | 4.6★ (20K) | No | Yes | Sep 2026 | |
| 7 |  | Free | 4.8★ (56K) | Yes | Yes | Sep 2026 | |
| 8 |  | Free | 4.6★ (6.4K) | No | Yes | Sep 2026 |
Access comprehensive data on over 430 steel, aluminum, and magnesium alloys. This reference tool includes chemical composition, similar international alloys, characteristics, and heat treating procedures. It complements print and online databases for in-depth materials information.
Access essential data for over 200 aluminum alloy designations and temper combinations. View mechanical properties, physical properties, and chemical composition limits. This reference is useful on its own or with a larger database.
Unlock your iPhone's full potential with daily updates on the latest news, features, and tips. Discover hidden app functions, master iOS, and stay informed about new devices. Get unbiased reviews, privacy advice, and price drop alerts for your favorite apps.
