USB File vs ApiRelay
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
USB File
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USB File is a simple wired file transfer utility for iPhone and Mac. Install the companion USB File app on your Mac, connect and unlock your iPhone, and you can browse and transfer files and folders directly between your devices. WHAT YOU CAN DO • Transfer files and folders from Mac to iPhone • Download files and folders from iPhone to Mac • Import photos, videos, and documents on iPhone • Receive files shared from other apps • Browse folders and preview supported files • Share files through the system Share Sheet • Organize and delete files stored in USB File • Use the app without creating an account PRIVATE USB TRANSFERS File contents are transferred directly over USB. They are not sent through Wi-Fi, a local network, the internet, or cloud storage. USB File does not require an account and does not upload your files to a developer-operated server. REQUIREMENTS • iPhone running iOS 15 or later • Mac running macOS 12 or later • A USB cable that supports data transfer • Your iPhone must be unlocked during connection • The first connection may require you to tap “Trust” on your iPhone Download USB File for Mac: https://apps.ihave.website/usbfile IMPORTANT USB File can only manage files stored in its own Documents directory. It cannot access private files belonging to other apps or the entire iPhone file system.
ApiRelay
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ApiRelay is a private vault for the API keys you use with AI platforms and developer tools. STORE KEYS SAFELY Keep key secrets in the system Keychain. Metadata syncs with iCloud; key secrets sync through iCloud Keychain with end-to-end encryption between your own Apple devices—not uploaded to an ApiRelay server. ORGANIZE & ASSIGN Group by platform or by the tools you use. Assign keys to consumers so you always know which key belongs where. COPY WHEN YOU NEED IT Reveal or copy a secret after optional identity confirmation (Face ID, Touch ID, device passcode, or master password—you choose). Copied secrets can auto-clear from the clipboard after a timeout you set. FREE & ONE-TIME UNLOCK Store a limited number of keys for free. Unlock unlimited keys with a one-time In-App Purchase. Restore Purchases is always available in Settings. PRIVACY-FIRST No ApiRelay account. No analytics SDK. The app helps you keep and hand out keys; it does not send your API calls through our servers. Requires iCloud Keychain on each device that should share the same key secrets.
Screenshots
Verdict
The clearest difference is iOS requirement: USB File at 15.0 against ApiRelay's 18.0. On price, ads, in-app purchases and device support there is nothing between them.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
| Parameter | USB File | ApiRelay |
|---|---|---|
| Price | Free | Free |
| Ads | No | No |
| In-app purchases | No | No |
| Devices | iPhone, iPad, iPod | iPhone, iPad, Mac |
| Requires iOS | 15.0 — better | 18.0 |
| Further details — not scored | ||
| Size | 7 MB | 4 MB |
| Age rating | 4+ | 4+ |
| Developer | Gaoming Zhang | 守系 邓 |
In-app purchases
USB File
No in-app purchases
ApiRelay
No in-app purchases









