Marimba vs MONSTR
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Marimba
This app offers a high-quality sampled marimba instrument for iOS devices. It functions as a standalone application or an AUv3 plugin, featuring adjustable keyboard settings and built-in effects like reverb and delay. It supports external MIDI input for enhanced musical expression.
- Standalone app and AUv3 plugin
- High-quality sample-based marimba
- Configurable keyboard
- Reverb and delay effects
- MIDI input support
- Mac support
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Marimba is a polyphonic sampled AUv3 instrument and standalone app for iPhone and iPad. It features a configurable keyboard, reverb and delay effects. It can be played using an external midi keyboard over Wifi or Bluetooth, or loaded in your favourite AUv3 compatible DAW, such as Garageband. Features • Standalone app and AUv3 • High quality sample based marimba instrument • Configurable keyboard key count • Reverb • Delay • Midi input support • Mac support System Requirements: iOS 15.0 or later
MONSTR
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MONSTR from White Elephant Audio provides up to six bands of stereo width control to correct mix issues or use for creative effect. Compatible with AUv3 hosts. Also available (for free) on Windows, macOS, and Linux, as a VST3 and AudioUnit: https://www.whiteelephantaudio.com/plugins/monstr MONSTR is an open source project released under the GPL. You can find the source code here: https://github.com/jd-13/MONSTR-Stereo-Imaging
Screenshots
Verdict
The clearest difference is price: MONSTR at $1.99 against Marimba's $2.99. MONSTR also leads on iOS requirement (12.0 vs 17.0). On ads, in-app purchases 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
Marimba costs $2.99 and MONSTR $1.99 up front. Neither carries in-app purchases, so what you see is what you pay.
| Parameter | Marimba | MONSTR |
|---|---|---|
| Price | $2.99 | $1.99 — better |
| Rating | 5.0 (2 ratings) — better | — |
| Number of ratings | 2 — better | — |
| Update frequency | Every 10 months | — |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Paid | — |
| Devices | iPhone, iPad | iPhone, iPad, iPod — better |
| Requires iOS | 17.0 | 12.0 — better |
| Further details — not scored | ||
| Size | 92 MB | 8 MB |
| Age rating | 4+ | 4+ |
| Developer | Mellowmuse Ltd | Jack Devlin |
In-app purchases
Marimba
No in-app purchases
MONSTR
No in-app purchases









