Y Disk Pro vs Firstnum
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Y Disk Pro
Manage and transfer files between your iOS device and Windows/Mac computers wirelessly and without internet. This app works with specialized hardware to expand your iPhone or iPad storage and allows direct playback of media files.
- File transfer between iOS and PC/Mac
- Expand iOS device storage
- Direct media playback from storage
- File management (copy, delete, share)
- Password and Touch ID file locking
- Share files to social media/other apps
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Description: The Y Disk Pro App is a strong file manager on iOS device. Storage, manage and exchange files between iOS and Windows/Mac - without Internet connection and cables. The App works with hardware together, it’s like the USB flash drive with standard USB & iOS lightning duo connectors. When the hardware connects to PC/Mac, it will be a standard USB flash drive. And when connect it to iPhone/iPad, the hardware will expand the storage space for iOS device. Features: • Play video/audio on the flash drive directly on iOS device. • Browse local files on flash drive and Y Disk Pro App App. • File management operation such as copy, delete, share etc. • Lock files and App with password and touch ID. • Share files to social media or other App on iOS device Compatibility: • iOS device with lightning connector and iOS 8 system and later version • Windows XP, Windows7, Windows8, Windows10 on PC • Mac OS 10.5 and later version
Firstnum
This utility app is designed for managing device access and logins. It helps users securely log in to control their devices.
- Device login management
- Secure access control
- User authentication
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Used for logging in to manage the device
Screenshots
Verdict
The clearest difference is review sentiment: Firstnum at 100% against Y Disk Pro's 4%. Firstnum also leads on rating (3.0 vs 1.5). Y Disk Pro's advantage is ratings volume (50 vs 2) and iOS requirement (9.0 vs 13). On price, update cadence, ads and in-app purchases 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.
Firstnum holds the better App Store score, 3.0 against 1.5. That said, the two scores are not equally well evidenced: Y Disk Pro has 50 ratings behind it against 2, so its average is the more settled of the two. Written reviews point the same way: 4% of Y Disk Pro's written reviews are positive against 100% of Firstnum's.
Y Disk Pro ships an update every 2 months, Firstnum every 5 weeks. The most recent releases landed on September 20, 2026 and September 3, 2026 respectively.
| Parameter | Y Disk Pro | Firstnum |
|---|---|---|
| Price | Free | Free |
| Rating | 1.5 (50 ratings) | 3.0 (2 ratings) — better |
| Positive reviews | 3.5% of reviews | 100.0% of reviews — better |
| Number of ratings | 50 — better | 2 |
| Update frequency | Every 2 months | Every 5 weeks — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 9.0 — better | 13 |
| Further details — not scored | ||
| Size | 95 MB | 88 MB |
| Age rating | 4+ | 17+ |
| Developer | 军 尹 | ShangHai Stoneoim Intelligent Technology Co.,Ltd |
Customer experience
Y Disk Pro
Firstnum
In-app purchases
Y Disk Pro
No in-app purchases
Firstnum
No in-app purchases
