14+ iOS apps curated and reviewed
Whether you're new to NTC 2885 ISO 3941 or looking for an upgrade, our curated collection of 14+ iOS apps has something for everyone. Each app is reviewed and rated by real users, helping you make an informed decision.
| # | App | Price | Rating | Ads | In-App Purchases | Updated |
|---|---|---|---|---|---|---|
| 1 |  | Free | 4.0★ (2) | No | Yes | Jul 2026 |
| 2 |  | Free | 5.0★ (2) | Yes | No | May 2026 |
| 3 |  | Free | — | No | No | May 2026 |
| 4 |  | Free | — | No | No | Jul 2026 |
| 5 |  | Free | — | No | Yes | Jul 2026 |
| 6 |  | Free | — | No | No | Aug 2026 |
| 7 |  | Free | 4.1★ (105) | Yes | Yes | Jul 2026 |
| 8 |  | Free | — | No | No | May 2026 |
This app facilitates compliance with industry standards, regulations, and company documents. It enables users to conduct audits, manage permits, and create inspection checklists. Generate reports, issue findings, and track corrective actions to ensure ongoing compliance.
Calculates engineering tolerances for various mechanical components based on ISO and ANSI standards. It determines size limits, deviations, and fit types for holes and shafts, offering schematic representations of fits.
Access a vast, daily updated library of over 17,000 technical standards on your mobile device. Features include text-to-speech, annotations, and advanced search capabilities. Standards purchased online are automatically synced.
This app allows users to electronically sign PDF documents using their Japanese My Number Card and its public key infrastructure. It also provides tools for creating PDFs from photos and verifying existing signatures.
Easily convert hardness values between 12 different units, including Vickers, Brinell, Rockwell, and Shore. Input your value and select the desired unit for instant conversion, referencing ASTM E 140 standards and polynomial approximations for accuracy.
This utility app provides quick and accurate conversions between resistance, potential, and temperature for various thermocouples and RTDs. It supports offline use, temperature recording with export, and offers an intuitive interface for field technicians and engineers.
