# SubOnSite Card Read/Write — NFC Check-In Card Tools

> NFC Check-In Card Tools (iPhone/iPad app by Sean Dunleavy.)

- Source: https://appshunter.io/ios/app/subonsite-card-readwrite/id6803499849 (this page in markdown: same URL + `.md`)
- Developer: [Sean Dunleavy](https://appshunter.io/developer/6803499851)
- Category: Productivity, Business
- Price: Free
- Age rating: 4+
- Requires: iOS 16.4 · 28 MB
- Languages: American English
- Released: 2026-08-27
- Data updated: 2026-10-31

## What is SubOnSite Card Read/Write?

SubOnSite Card Read/Write is the companion app for paying SubOnSite customers. It lets you identify and program the NFC check-in cards used on your jobsites — right on iPhone. Sign in with your SubOnSite account. Same company login as the website. Field crews don’t need this app. They only tap a programmed card and check in through the browser.

## Is SubOnSite Card Read/Write safe?

Not enough ratings yet to assess SubOnSite Card Read/Write.

## Is SubOnSite Card Read/Write legit?

SubOnSite Card Read/Write has limited verification signals. The AppsHunter Legitimacy Score for SubOnSite Card Read/Write is 58 out of 100 points across 7 verification signals from App Store and developer data.


## Version history (last 2 releases)

### 1.0.1 — 2026-09-01

Cancel Write no longer marks a card ready. A real write still does. Identify and Program are otherwise the same.

### 1.0 — 2026-08-27

No release notes.

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*Data collected daily from the US App Store and indexed by [AppsHunter](https://appshunter.io/). User reviews are verbatim App Store reviews. Ratings, prices and chart positions refresh continuously; this snapshot is from 2026-10-31.*