# OTG Cloud by Monster Digital vs RustMaster

The clearest difference is in-app purchases: OTG Cloud by Monster Digital at none against RustMaster's 1. OTG Cloud by Monster Digital also leads on iOS requirement (6.0 vs 15.6). On price, update cadence, ads and device support there is nothing between them.

Both are free to download. RustMaster sells 1 one-off in-app purchase. OTG Cloud by Monster Digital asks for nothing beyond the download.

OTG Cloud by Monster Digital ships an update every 5 weeks, RustMaster monthly. The most recent releases landed on October 6, 2026 and September 20, 2026 respectively.

## The numbers

| Metric | OTG Cloud by Monster Digital | RustMaster |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[2.4 (60 ratings)](https://appshunter.io/ios/app/otg-cloud-by-monster-digital/id891237140/reviews)** | — |
| Number of ratings | **60** | — |
| Positive reviews | 16.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 5 weeks | **Monthly** |
| Monetization | Free | — |
| Size | 17 MB | 36 MB |
| Requires iOS | **6.0** | 15.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 9+ |
| Developer | [SDJ Technologies, Inc](https://appshunter.io/developer/891237143) | [karos mohammed](https://appshunter.io/developer/1678806713) |

## What reviewers say

### OTG Cloud by Monster Digital

[App page](https://appshunter.io/ios/app/otg-cloud-by-monster-digital/id891237140)

Wirelessly access and share media from SD cards, USB drives, and hard drives on your Apple devices. Stream content, back up files, and even create a Wi-Fi hotspot. The device also functions as a power bank for other gadgets.

**Highlights:** Wireless media access, File sharing, Video and music streaming, File backup, Wi-Fi hotspot creation, Power bank functionality

**In-app purchases:** none

**What reviewers like**

- 🔋 Can still be used as a power bank
- 🌐 Useful as a Wi-Fi router/repeater in hotels
- 💳 Can function as a memory card reader

**What reviewers complain about**

- ❌ No longer supported by developers
- 🚫 Incompatible with newer iOS versions
- 🧱 Device becomes a brick without app support
- ⏳ Outdated software and limited file format support
- 🐌 Slow file transfer speeds

**Reported bugs**

- App no longer works with iOS 11 and later
- Cannot transfer files by plugging in phone
- Music player stops after one song
- Video plays only in portrait mode
- App freezes when accessing media server

**Requested features**

- Update the app for current iOS versions
- Support 'Open In...' functionality for all file types
- Improve music player functionality (playlists, continuous play)
- Enable landscape mode for video playback
- Allow import/export of all file types


### RustMaster

[App page](https://appshunter.io/ios/app/rustmaster-server-rcon-admin/id6752823350)

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium | $9.99 | one-time |


## Frequently asked questions

### Is OTG Cloud by Monster Digital free?

OTG Cloud by Monster Digital is free to download, with no in-app purchases.

### Is RustMaster free?

RustMaster is free to download, with in-app purchases available.

### Do OTG Cloud by Monster Digital or RustMaster have ads?

Neither OTG Cloud by Monster Digital nor RustMaster shows ads.

### Which is updated more often, OTG Cloud by Monster Digital or RustMaster?

OTG Cloud by Monster Digital ships an update every 5 weeks, and RustMaster monthly. Most recently, OTG Cloud by Monster Digital was updated on October 6, 2026 and RustMaster on September 20, 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.*