# H9 Control vs OX | Amp Top Box

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.

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.

## The numbers

| Metric | H9 Control | OX | Amp Top Box |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.9 (64 ratings)](https://appshunter.io/ios/app/h9-control/id568128041/reviews)** | [3.7 (22 ratings)](https://appshunter.io/ios/app/ox-amp-top-box/id980695701/reviews) |
| Number of ratings | **64** | 22 |
| Positive reviews | **53.2% of reviews** | 37.5% of reviews |
| In-app purchases | Yes | **No** |
| Ads | **No** | Yes |
| Update frequency | **Every 2 months** | Every 5 months |
| Monetization | Free with in-app purchases | **Ad-supported** |
| Size | 73 MB | 71 MB |
| Requires iOS | **9.3** | 12.0 |
| Devices | **iPhone, iPad, iPod** | iPad |
| Age rating | 4+ | 4+ |
| Developer | [Eventide](https://appshunter.io/developer/546518026) | [Universal Audio](https://appshunter.io/developer/980695700) |

## What reviewers say

### H9 Control

[App page](https://appshunter.io/ios/app/h9-control/id568128041)

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.

**Highlights:** Remote control for Eventide pedals, Parameter management, Preset management, Access to over 500 presets, Intuitive user interface

**In-app purchases (11)**

| Purchase | Price | Billing |
| --- | --- | --- |
| BlackHole | $19.99 | one-time |
| Diatonic | $19.99 | one-time |
| Digital Delay | $19.99 | one-time |
| ModEchoVerb | $19.99 | one-time |
| Phaser | $19.99 | one-time |
| Q-Wah | $19.99 | one-time |
| Rotary | $19.99 | one-time |
| Resonator | $19.99 | one-time |
| EQ Compressor | $19.99 | one-time |
| SpaceTime | $19.99 | one-time |
| Flanger | $19.99 | one-time |


### 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


## Frequently asked questions

### Is H9 Control free?

H9 Control is free to download, with in-app purchases available.

### Is OX | Amp Top Box free?

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

### Which has better reviews, H9 Control or OX | Amp Top Box?

H9 Control is rated higher. H9 Control averages 3.9 out of 5 from 64 ratings, while OX | Amp Top Box averages 3.7 from 22 ratings.

### Do H9 Control or OX | Amp Top Box have ads?

OX | Amp Top Box shows ads; H9 Control does not.

### Which is updated more often, H9 Control or OX | Amp Top Box?

H9 Control ships an update every 2 months, and OX | Amp Top Box every 5 months. Most recently, H9 Control was updated on October 29, 2026 and OX | Amp Top Box on October 24, 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.*