# U vs HulkMax

The clearest difference is rating: U at 2.3 against HulkMax's 1.1. U also leads on review sentiment (29% vs 0%). On price, ratings volume, update cadence and ads there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

U holds the better App Store score, 2.3 against 1.1. Both are backed by a comparable volume of ratings — 17 and 14 respectively. Written reviews point the same way: 29% of U's written reviews are positive against 0% of HulkMax's.

U ships an update every 3 months, HulkMax every 2 months. The most recent releases landed on October 8, 2026 and October 3, 2026 respectively.

## The numbers

| Metric | U | HulkMax |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[2.3 (17 ratings)](https://appshunter.io/ios/app/u-disk/id1119397038/reviews)** | [1.1 (14 ratings)](https://appshunter.io/ios/app/hulkmax/id1645118773/reviews) |
| Number of ratings | **17** | 14 |
| Positive reviews | **29.4% of reviews** | 0.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 months | **Every 2 months** |
| Monetization | Free | Free |
| Size | 52 MB | 41 MB |
| Requires iOS | 12.1 | **11.0** |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [岚 丁](https://appshunter.io/developer/1465584117) | [Yunmao Commerce and Trade (Shenzhen) Co., Ltd](https://appshunter.io/developer/1645118775) |

## What reviewers say

### U

[App page](https://appshunter.io/ios/app/u-disk/id1119397038)

Expand your iOS device's storage with this portable flash drive. Seamlessly transfer, view, and manage files between your iPhone/iPad and Mac/PC without needing Wi-Fi or a network signal. Features include file encryption and contact backup.

**Highlights:** Memory expansion for iOS devices, Two-way storage transfer (iOS to Mac/PC), No Wi-Fi or network signal required, Transfer, view, and share files, File encryption, Contacts backup and restore, Video streaming via Airplay

**In-app purchases:** none


### HulkMax

[App page](https://appshunter.io/ios/app/hulkmax/id1645118773)

This app simplifies plant growing for all experience levels by automating equipment and managing smart devices. Monitor device status in real-time, connect new devices quickly, and enjoy customizable lighting effects. Get early access to new technology and share your insights.

**Highlights:** Automate growing equipment, Manage smart devices, Real-time device status, Quick device connection, Support for multiple devices, Customizable lighting effects

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is U free?

U is free to download, with no in-app purchases.

### Is HulkMax free?

HulkMax is free to download, with no in-app purchases.

### Which has better reviews, U or HulkMax?

U is rated higher. U averages 2.3 out of 5 from 17 ratings, while HulkMax averages 1.1 from 14 ratings.

### Do U or HulkMax have ads?

Neither U nor HulkMax shows ads.

### Which is updated more often, U or HulkMax?

U ships an update every 3 months, and HulkMax every 2 months. Most recently, U was updated on October 8, 2026 and HulkMax on October 3, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*