iDUO Drive vs OTG Flash Pro
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
iDUO Drive
Easily manage all your files on iDevices and transfer them between devices and platforms. Back up contacts and photos, and access cloud storage like iCloud, Dropbox, and Google Drive.
- Manage files on iDUO Lightning drives
- Backup contacts and camera roll
- Connect with iCloud, Dropbox, Google Drive
- Browse and manage cloud files
- Password protect Lightning drives
Read full descriptionHide full description
The iDUO Drive is the best App to manage all your files on iDevices, exchanging files among iDevices and platforms easily. Main Features: 1. Browse and manage files in iDUO Lightning drives. 2. Backup contacts and camera roll iDUO Lightning drives in one click. 3. Connect with iCloud, Dropbox, and Google Drive. Browse and manage files in the cloud. 4. Protect iDUO Lightning drives with password.
OTG Flash Pro
Read full descriptionHide full description
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 iDUO Drive's every 6 weeks. iDUO Drive's advantage is iOS requirement (9.0 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.
iDUO Drive ships an update every 6 weeks, OTG Flash Pro every 10 days. The most recent releases landed on November 2, 2026 and October 28, 2026 respectively.
| Parameter | iDUO Drive | OTG Flash Pro |
|---|---|---|
| Price | Free | Free |
| Rating | 2.4 (31 ratings) — better | — |
| Positive reviews | 6.7% of reviews | — |
| Number of ratings | 31 — better | — |
| Update frequency | Every 6 weeks | Every 10 days — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | — |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 9.0 — better | 14.0 |
| Further details — not scored | ||
| Size | 39 MB | 136 MB |
| Age rating | 4+ | 4+ |
| Developer | Super Storage Technology Corp. | 裕雨 程 |
In-app purchases
iDUO Drive
No in-app purchases
OTG Flash Pro
No in-app purchases
Questions
Is iDUO Drive free?
Is OTG Flash Pro free?
Do iDUO Drive or OTG Flash Pro have ads?
Which is updated more often, iDUO Drive or OTG Flash Pro?
Other comparisons















