H9 Control vs Zero Reverb
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.
Zero Reverb
Enhance your music production with a modern, high-quality reverb effect. This Audio Unit Extension (AUv3) works within compatible host apps, offering a rich, hall-like sound with adjustable parameters for diverse textures. Easily tweak settings with its expandable controls.
- Audio Unit Extension (AUv3) plugin
- Modern hall-like reverb character
- Rich feedback and smooth decay
- Expandable controls for easy tweaking
- Wide variety of reverb textures
- Compatible with popular DAWs and hosts
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Tired of the stock reverb in your DAW? Looking for a more modern sound? Zero Reverb is an Audio Unit Extension (AUv3) that works as a plug-in inside host apps. Just open up your favorite host that supports Audio Units and add it as an effect. The controls expand when touched so they can be easily seen while tweaking. Zero Reverb will soon become your go-to reverb plug-in on iOS. Compatible with GarageBand, Cubasis, Auria, BeatMaker, AudioBus, AUM, Modstep, and more. Zero Reverb is a high quality Feedback Delay Network reverberator. The algorithm has rich feedback with smooth decay for a modern hall-like reverb character. Blamsoft brings their experience creating high quality plug-ins for the desktop to iOS. The same algorithm is found in the popular Zero Hybrid Synthesizer Rack Extension for Propellerhead Reason. The available parameters allow you to dial in a wide variety of reverb textures. Tap Developer Website for sound examples. Note: Second screenshot shows the effect of touching a control.
Screenshots
Verdict
The clearest difference is price: H9 Control at Free against Zero Reverb's $2.99. H9 Control also leads on rating (3.9 vs 3.4) and review sentiment (53% vs 35%). Zero Reverb's advantage is in-app purchases (none vs 11) and chart position (#183 vs unranked). On ratings volume, ads and device support 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
H9 Control is free to download; Zero Reverb costs $2.99 up front. H9 Control sells 11 one-off in-app purchases. Zero Reverb asks for nothing beyond the download.
H9 Control holds the better App Store score, 3.9 against 3.4. Both are backed by a comparable volume of ratings — 64 and 46 respectively. Written reviews point the same way: 53% of H9 Control's written reviews are positive against 35% of Zero Reverb's.
H9 Control ships an update every 2 months, Zero Reverb every 6 months. The most recent releases landed on October 7, 2026 and October 12, 2026 respectively.
| Parameter | H9 Control | Zero Reverb |
|---|---|---|
| Price | Free — better | $2.99 |
| Rating | 3.9 (64 ratings) — better | 3.4 (46 ratings) |
| Positive reviews | 53.2% of reviews — better | 34.8% of reviews |
| Number of ratings | 64 — better | 46 |
| Update frequency | Every 2 months — better | Every 6 months |
| Ads | No | No |
| In-app purchases | Yes | No — better |
| Monetization | Free with in-app purchases — better | Paid |
| Best chart rank | — | #183 — better |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 9.3 — better | 12.0 |
| Further details — not scored | ||
| Size | 73 MB | 9 MB |
| Age rating | 4+ | 4+ |
| Developer | Eventide | Blamsoft, Inc. |
Customer experience
H9 Control
Zero Reverb
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
Zero Reverb
No in-app purchases
Questions
Is H9 Control free?
Is Zero Reverb free?
Which has better reviews, H9 Control or Zero Reverb?
Do H9 Control or Zero Reverb have ads?
Which is updated more often, H9 Control or Zero Reverb?
Other comparisons
