OTG Flash Pro vs USBZile
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
OTG Flash Pro
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OTG Flash Pro helps you easily manage files on your USB drive, classify and view files, and backup and restore photo albums and contacts for you.
USBZile
This utility allows you to extract ISO images directly to a USB drive or a local folder on your iPhone or iPad. It supports creating bootable installation media for various operating systems and enables browsing or archiving ISO contents.
- Extract ISO to USB drive
- Create bootable installation media
- Extract ISO to local folder
- Supports Windows and Linux ISOs
- High-performance extraction engine
- Screen stays on during extraction
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USBZile lets you extract ISO images directly to a USB drive or local folder using nothing but your iPhone or iPad. Connect a USB drive via a Lightning adapter and/or USB Type C, pick your ISO, select your drive, and USBZile handles the rest. What you can do: - Extract any ISO file to a connected USB flash drive - Create bootable installation media for Windows, Linux, and other operating systems - Extract ISO contents to a local folder for browsing or archiving How it works: USBZile uses a high-performance extraction engine to stream ISO contents directly to your destination. The screen stays on automatically while your drive is being written so nothing gets interrupted.
Screenshots
Verdict
OTG Flash Pro and USBZile are too close to call on the numbers: across 6 compared parameters — price, update cadence, ads and in-app purchases among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.
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.
OTG Flash Pro ships an update every 10 days, USBZile fortnightly. The most recent releases landed on October 16, 2026 and October 24, 2026 respectively.
| Parameter | OTG Flash Pro | USBZile |
|---|---|---|
| Price | Free | Free |
| Rating | — | 3.4 (5 ratings) — better |
| Positive reviews | — | 100.0% of reviews |
| Number of ratings | — | 5 — better |
| Update frequency | Every 10 days — better | Fortnightly |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | — | Free |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 14.0 | 14.0 |
| Further details — not scored | ||
| Size | 136 MB | 1 MB |
| Age rating | 4+ | 4+ |
| Developer | 裕雨 程 | EliteScripts LLC. |
In-app purchases
OTG Flash Pro
No in-app purchases
USBZile
No in-app purchases
