3+ iOS apps curated and reviewed
Out of 3+ us customary apps on iOS, 2 are free and the rest sit in the paid tier. This page sorts them so you can compare both sides before you commit.
| # | App | Price | Rating | Ads | In-App Purchases | Updated |
|---|---|---|---|---|---|---|
| 1 |  | Free | 4.8★ (16) | Yes | Yes | Jul 2026 |
| 2 |  | $0.99 | 3.4★ (96) | No | No | Jul 2026 |
| 3 |  | Free | 2.6★ (5) | No | No | Aug 2026 |
Easily convert between Japanese and US units for length, weight, speed, volume, temperature, area, currency, and time zones. This tool is useful for travel, daily life, work, and study, offering a wide range of conversion categories.
This app sends push notifications to your iOS device, reminding you to set the American flag to half staff. It tracks presidential proclamations and pre-determined remembrance days. Users can request state-specific notifications.
This app provides up-to-date information on when to fly the US flag at full staff versus half staff. It's designed to be free and easy to use, ensuring you always display your flag correctly.