iDualDriver vs OTG Flash Pro
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
iDualDriver
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隨身資料，可愛公仔貼心保存 Bone 經典不掉蓋系列隨身碟，資料傳輸隨身帶著走 iDualDriver 功能： -簡易一鍵備份資料 -連接 iCloud、Dropbox、Google Drive 瀏覽資料 -即時播放影片、音樂等多種格式 -即時拍照、錄影存入隨身碟 -密碼保護，資料安全不外洩
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.
Screenshots
Verdict
The clearest difference is update cadence: OTG Flash Pro at every 10 days against iDualDriver's every 6 months. iDualDriver's advantage is iOS requirement (8.0 vs 14.0). 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.
iDualDriver ships an update every 6 months, OTG Flash Pro every 10 days. The most recent releases landed on September 28, 2026 and October 1, 2026 respectively.
| Parameter | iDualDriver | OTG Flash Pro |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 6 months | Every 10 days — better |
| Ads | No | No |
| In-app purchases | No | No |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 8.0 — better | 14.0 |
| Further details — not scored | ||
| Size | 12 MB | 136 MB |
| Age rating | 4+ | 4+ |
| Developer | Bone Collection Inc. | 裕雨 程 |
In-app purchases
iDualDriver
No in-app purchases
OTG Flash Pro
No in-app purchases
