# OX | Amp Top Box vs D

The clearest difference is rating: D at 5.0 against OX | Amp Top Box's 3.7. D also leads on ads (none vs shown) and monetization model (free vs ad-supported). OX | Amp Top Box's advantage is ratings volume (22 vs 7). On price, update cadence and in-app purchases there is nothing between them.

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

D holds the better App Store score, 5.0 against 3.7. Both are backed by a comparable volume of ratings — 22 and 7 respectively.

OX | Amp Top Box ships an update every 5 months, D every 4 months. The most recent releases landed on October 24, 2026 and October 12, 2026 respectively.

## The numbers

| Metric | OX | Amp Top Box | D |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [3.7 (22 ratings)](https://appshunter.io/ios/app/ox-amp-top-box/id980695701/reviews) | **[5.0 (7 ratings)](https://appshunter.io/ios/app/d-box-plus/id1443439567/reviews)** |
| Number of ratings | **22** | 7 |
| Positive reviews | 37.5% of reviews | — |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | Every 5 months | **Every 4 months** |
| Monetization | Ad-supported | **Free** |
| Size | 71 MB | 21 MB |
| Requires iOS | 12.0 | **10.2** |
| Devices | iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Universal Audio](https://appshunter.io/developer/980695700) | [Dangerous Music Inc.](https://appshunter.io/developer/1443439566) |

## What reviewers say

### OX | Amp Top Box

[App page](https://appshunter.io/ios/app/ox-amp-top-box/id980695701)

Control your tube amp's legendary tone from anywhere with this companion app. Access a virtual studio of speaker cabinets, microphones, and effects to craft album-quality guitar sounds. Store your custom presets directly to your hardware.

**Highlights:** Full Rig control via Wi-Fi, 120+ Rig presets, 22 classic speaker cabinets, Boutique mic combinations, Studio amp tone effects, Custom preset storage

**In-app purchases:** none


### D

[App page](https://appshunter.io/ios/app/d-box-plus/id1443439567)

Control your Dangerous Music D-BOX+ with your iPhone or iPad. Adjust volume, talkback, dimming, and source selection for your studio gear. Offers a flipped display option for convenience.

**Highlights:** Volume control, Talkback function, Dimming adjustment, Speaker selection, Control room source selection, Headphone source selection

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is OX | Amp Top Box free?

OX | Amp Top Box is free to download, with no in-app purchases.

### Is D free?

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

### Which has better reviews, OX | Amp Top Box or D?

D is rated higher. OX | Amp Top Box averages 3.7 out of 5 from 22 ratings, while D averages 5.0 from 7 ratings.

### Do OX | Amp Top Box or D have ads?

OX | Amp Top Box shows ads; D does not.

### Which is updated more often, OX | Amp Top Box or D?

OX | Amp Top Box ships an update every 5 months, and D every 4 months. Most recently, OX | Amp Top Box was updated on October 24, 2026 and D on October 12, 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.*