H9 Control vs OX | Amp Top Box
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
H9 Control
Control all your Eventide effects pedals remotely. Manage parameters, presets, and settings with an intuitive interface. Access over 500 presets for a wide range of sound-shaping effects.
- Remote control for Eventide pedals
- Parameter management
- Preset management
- Access to over 500 presets
- Intuitive user interface
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The H9 Control app provides remote control access of all Eventide effects pedals. With it you can manage parameters, presets and settings with an easy to use interface. Get instant access to over 500 presets that push the boundaries of delay, reverb, pitch-shifting, modulation, distortion and more.
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
Screenshots
Verdict
The clearest difference is in-app purchases: OX | Amp Top Box at none against H9 Control's 11. H9 Control's advantage is ads (none vs shown) and rating (3.9 vs 3.7). On price, ratings volume and update cadence 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. H9 Control sells 11 one-off in-app purchases. OX | Amp Top Box asks for nothing beyond the download.
H9 Control holds the better App Store score, 3.9 against 3.7. Both are backed by a comparable volume of ratings — 64 and 22 respectively. Written reviews point the same way: 53% of H9 Control's written reviews are positive against 38% of OX | Amp Top Box's.
H9 Control ships an update every 2 months, OX | Amp Top Box every 5 months. The most recent releases landed on October 29, 2026 and October 24, 2026 respectively.
| Parameter | H9 Control | OX | Amp Top Box |
|---|---|---|
| Price | Free | Free |
| Rating | 3.9 (64 ratings) — better | 3.7 (22 ratings) |
| Positive reviews | 53.2% of reviews — better | 37.5% of reviews |
| Number of ratings | 64 — better | 22 |
| Update frequency | Every 2 months — better | Every 5 months |
| Ads | No — better | Yes |
| In-app purchases | Yes | No — better |
| Monetization | Free with in-app purchases | Ad-supported — better |
| Devices | iPhone, iPad, iPod — better | iPad |
| Requires iOS | 9.3 — better | 12.0 |
| Further details — not scored | ||
| Size | 73 MB | 71 MB |
| Age rating | 4+ | 4+ |
| Developer | Eventide | Universal Audio |
Customer experience
H9 Control
OX | Amp Top Box
In-app purchases
H9 Control
- BlackHole$19.99
- Diatonic$19.99
- Digital Delay$19.99
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- ModEchoVerb$19.99
- Phaser$19.99
- Q-Wah$19.99
- Rotary$19.99
- Resonator$19.99
- EQ Compressor$19.99
- SpaceTime$19.99
- Flanger$19.99
OX | Amp Top Box
No in-app purchases
Questions
Is H9 Control free?
Is OX | Amp Top Box free?
Which has better reviews, H9 Control or OX | Amp Top Box?
Do H9 Control or OX | Amp Top Box have ads?
Which is updated more often, H9 Control or OX | Amp Top Box?
Other comparisons
