OX | Amp Top Box vs D
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
OX | Amp Top Box
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.
- Full Rig control via Wi-Fi
- 120+ Rig presets
- 22 classic speaker cabinets
- Boutique mic combinations
- Studio amp tone effects
- Custom preset storage
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Legendary Album Tone from your Tube Amp — Anywhere, at Any Volume. This is the companion application for OX Amp Top Box by Universal Audio. Install the Rig Control app on your iPad or computer, then pair over Wi-Fi to your OX hardware and tap into a full virtual studio of speaker cabinets, microphones, and effects for getting legendary amp tones. Features • Full control of OX Amp Top Box Rigs via Wi-Fi on iPad, macOS, and Windows • Access 120+ carefully-crafted Rig presets for instant album-quality guitar tones • Choose from 22 classic speaker cabinets with vintage, NOS, and modern speakers • Choose from 7 boutique close mic and 6 room mic combinations • Perfect your studio amp tones with EQ, Compression, Delay, and Plate Reverb • Store your custom presets to OX’s RIG knob Requirements • OX Amp Top Box Hardware • Internet connection via Wi-Fi for OX hardware registration • iPad with iOS 12 or higher
D
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.
- Volume control
- Talkback function
- Dimming adjustment
- Speaker selection
- Control room source selection
- Headphone source selection
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Bluetooth remote control for Dangerous Music D-BOX+. Seamlessly operates the following functions: •Volume •Talkback •Dim •Speaker Selection •Control Room Source Selection •Headphone Source Selection And more! This app only supports portrait orientation in iPhone and landscape orientation in iPad. The display can be set to flip 180 degrees via the preferences. Written by: Todd R. Mariana
Screenshots
Verdict
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.
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.
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.
| Parameter | OX | Amp Top Box | D |
|---|---|---|
| Price | Free | Free |
| Rating | 3.7 (22 ratings) | 5.0 (7 ratings) — better |
| Positive reviews | 37.5% of reviews | — |
| Number of ratings | 22 — better | 7 |
| Update frequency | Every 5 months | Every 4 months — better |
| Ads | Yes | No — better |
| In-app purchases | No | No |
| Monetization | Ad-supported | Free — better |
| Devices | iPad | iPhone, iPad, iPod — better |
| Requires iOS | 12.0 | 10.2 — better |
| Further details — not scored | ||
| Size | 71 MB | 21 MB |
| Age rating | 4+ | 4+ |
| Developer | Universal Audio | Dangerous Music Inc. |
Customer experience
OX | Amp Top Box
D
In-app purchases
OX | Amp Top Box
No in-app purchases
D
No in-app purchases
Questions
Is OX | Amp Top Box free?
Is D free?
Which has better reviews, OX | Amp Top Box or D?
Do OX | Amp Top Box or D have ads?
Which is updated more often, OX | Amp Top Box or D?
Other comparisons
