Mo Disk vs OTG Flash Pro
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Mo Disk
Expand your device's storage by backing up photos, videos, and contacts to an external device. Capture media directly to external storage and transfer files between devices, including non-Apple ones. Enjoy media stored on your external drive.
- Backup photos and videos
- Backup contacts
- Save media to external device
- Transfer files between devices
- Play external media
- Expand device storage
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This app will allow you to backup photos and contacts, transfer files, take pictures and videos without using internal storage and more. This app will ONLY work with the external backup device it was designed for. If you do not have that device, this app will not do anything. With this app you can: •Backup all of your photos and videos with one tap, or select specific photos and videos to backup. •Backup all of your contacts. •Take pictures and record videos that save directly to your external device without using internal storage on your Apple device. •Transfer photos and videos from other devices, including non-Apple devices, to your Apple device. •Play movies and television shows saved on your external device. •Save files to the external device or transfer files on to your Apple device. If you are looking for a way to expand the storage of your apple device, save the pictures and videos on your apple device, or transfer between devices using different operating systems, this app is the perfect solution. Once you have the recommended external storage device, download this app and get started!
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 Mo Disk's every 6 months. Mo Disk'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.
Mo Disk ships an update every 6 months, OTG Flash Pro every 10 days. The most recent releases landed on October 8, 2026 and October 1, 2026 respectively.
| Parameter | Mo Disk | OTG Flash Pro |
|---|---|---|
| Price | Free | Free |
| Rating | 3.0 (61 ratings) — better | — |
| Positive reviews | 46.2% of reviews | — |
| Number of ratings | 61 — better | — |
| Update frequency | Every 6 months | 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 | 110 MB | 136 MB |
| Age rating | 4+ | 4+ |
| Developer | 建华 黄 | 裕雨 程 |
In-app purchases
Mo Disk
No in-app purchases
OTG Flash Pro
No in-app purchases
