120+ iOS apps curated and reviewed
Every iPhone needs a few good catalyst by metricwire apps. We benchmark 120+ 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 | 4.2★ (11) | No | No | Aug 2026 |
| 2 |  | Free | 2.3★ (7) | No | No | May 2026 |
| 3 |  | Free | — | No | No | May 2026 |
| 4 |  | Free | — | No | No | May 2026 |
| 5 |  | Free | 4.5★ (10) | No | Yes | May 2026 |
| 6 |  | $0.99 | — | No | No | Jul 2026 |
| 7 |  | Free | — | No | No | May 2026 |
| 8 |  | Free | — | No | No | May 2026 |
Participate in digital health research by responding to surveys, completing tasks, and connecting wearable devices. This app facilitates communication with your study team and integrates with Apple HealthKit for movement data collection.
This platform empowers researchers to create intricate studies and allows participants to respond via their smartphones. It enables the collection of high-quality real-world behavioral data without requiring any coding knowledge.
This application assists in the sale of catalytic converters by providing up-to-date market pricing. Users can search for converters by code or name to get their price and description. A subscription unlocks advanced features like photo storage and PDF invoice generation.
This guide assists in the purchase of catalytic converters by providing up-to-date market pricing. Users can enter a manufacturer's number to receive the price and description of a specific converter. Assistance is available via phone if a number yields no results.
This app serves as a comprehensive encyclopedia for catalytic converters, offering free, unlimited searches. It provides transparent pricing, accurate metal and FX updates, and detailed 3D rendered images with exact measurements. The app also features an AI-powered identification tool and welcomes collaboration for expanding its product catalog.
