Multi vs TB Reverb
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Multi
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This is a AUv3 compatible audio effect which can be used as plugin with your favourite DAW such as Cubasis, Meteor, Auria or GarageBand. It supports a modern graphical interface and presets with stereo meters for monitoring signal levels. The Multi-Tap delay takes the traditional digital delay to the next level. Instead of a single delay line you have up to 4 taps at your disposal. Each tap has an adjustable delay which can either be a value in milliseconds or a division of a beat. This is because the effect tracks the host tempo and can automatically match the beat by just pressing the sync button on each tap. Some taps can be free running while others synced to the beat. What really makes this type of delay shine is that fact you can choose to either have all taps play back in series or stack them end on end in parallel mode. This allows for some very creative and unusual patterns which are not achievable using a conventional delay. A dedicated LFO synced to the host tempo can also be used to apply modulation to each of the taps. You can modulate the frequency to create a chorus/ensemble type effect, vary the amplitude to create a vibrato effect, create an oscillating pan or even run the tap in reverse echo mode or through a band pass filter. This is a great tool to have at your disposal, allowing you to some unusual delay effects not available with a conventional delay. All parameters fully support automation. This is one of a suite of AUv3 compatible plugins which will also soon be available from 4Pockets.
TB Reverb
This professional audio plug-in offers studio-grade reverberation with extensive customization options. It features real-time processing, advanced modulation, and dynamic effects for creative sound design. Compatible with AUv3 hosts, it provides a flexible workflow for musicians and producers.
- Studio-grade reverberation with early reflections
- Extensive parameter control (room size, width, density, etc.)
- Integrated LFO for parameter modulation
- Compression, ducking, and gating effects
- Shimmer reverb module
- Real-time spectrum analyzer and equalizer
- Reverb freeze option
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ToneBoosters Reverb is a studio-quality, professional reverberation AUv3 plug-in with an unrivalled workflow, unlimited creative use and a gorgeous, functional user interface. With its close to a hundred adjustable parameters, the integrated LFO for parameter modulation, integrated compression and gating, and its shimmer reverb module it is by far the most flexible and configurable reverb on iOS. The ToneBoosters Reverb app captures the microphone input and processes the signals in real time. To use it as a plug-in, use an AUv3-compatible host app such as Steinberg Cubasis, Apple Garageband, Audio Evolution Mobile Studio, Auria, AUM, or others. ToneBoosters Reverb will appear in the list of Audio Unit extensions for effect plug-ins. Key features: - Studio-grade reverberation including early reflections - The same professional sound as the acclaimed desktop version - Full control over room size, width, density, depth, mass - Integrated spectrum analyser showing direct and reverb simultaneously - Integrated equalizer to shape the reverberation character - Ability to modify reverberation time across frequency - Compression, ducking and gating for dynamic reverberation effects - Flexible, beat-synced LFO that can modulate almost everything! - Dual pitch-shift shimmer module for out-of-this-world reverberation - Reverb freeze option - Random parameter option to change the core reverb sound on the spot - Eco mode for lower CPU load on complex projects - Program manager with shared programs between stand-alone, IAA and AUv3 instances - Undo/redo, and A/B comparison - Color themes for the user interface - Max screen support in Garageband - Optimised for iPad and compatible with iPhone and iPod Touch Compatibility Please note that given the large flexibility and number of parameters that can be modified with this reverb, the use of an Apple pencil or stylus is highly recommended for smaller devices such as iPhone and iPod touch. What you should know: - Licenses acquired for this platform are not compatible with other platforms. - Audio Unit (AUv3) extensions require an iPad mini 2, iPad 4 or later models.
Screenshots
Verdict
The clearest difference is update cadence: TB Reverb at every 2 months against Multi's every 22 months. TB Reverb also leads on chart position (#194 vs unranked). Multi's advantage is price ($4.99 vs $8.99). On ads, in-app purchases, device support and iOS requirement 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
Multi costs $4.99 and TB Reverb $8.99 up front. Neither carries in-app purchases, so what you see is what you pay.
Multi ships an update every 22 months, TB Reverb every 2 months. The most recent releases landed on September 10, 2026 and September 16, 2026 respectively.
| Parameter | Multi | TB Reverb |
|---|---|---|
| Price | $4.99 — better | $8.99 |
| Rating | — | 4.8 (54 ratings) — better |
| Positive reviews | — | 94.3% of reviews |
| Number of ratings | — | 54 — better |
| Update frequency | Every 22 months | Every 2 months — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | — | Paid |
| Best chart rank | — | #194 — better |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 13 | 13.0 |
| Further details — not scored | ||
| Size | 7 MB | 12 MB |
| Age rating | 4+ | 4+ |
| Developer | 4Pockets.com | ToneBoosters |
In-app purchases
Multi
No in-app purchases
TB Reverb
No in-app purchases









