Mantis vs resonatedo
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Mantis
This audio plugin emulates a vintage 70s analog delay/echo unit, offering a warm, authentic sound. It features four echo taps, swell selectors, and a unique modulation section for chorus-like effects.
- Emulates rare 70s BBD delay/echo
- Warm analog sound
- Four echo taps
- Four swell selectors
- Rotafaze modulation section
- Mimics tape echo wow/flutter
- Chorus-delay effect
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Mantis is a plugin that emulates a rare BBD (bucket-brigade device) delay/echo unit of the 70s, faithfully recreating its warm and analog sound. Available as AUv3 and Standalone. As the original unit, Mantis features an echo section with four taps and four swell selectors. It also features the rotafaze section, a modulation that can mimic the wow/flutter of a tape echo or turn the unit into a unique chorus-delay.
resonatedo
This audio effect app allows for microtonal music creation with two independent resonator banks. Each resonator offers customizable pitch, volume, and modulation, with advanced filter controls and a mix slider for signal blending. It supports external MIDI input and features a detailed UI with multiple keyboard options.
- Dual microtonal resonator banks
- Independent pitch, volume, and modulation control
- Advanced filter and color parameters
- Detailed keyboard UI with note information
- MIDI input support
- Mix control for dry/processed signal
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resonatedo is a microtonal resonator bank audio effect for iOS and macOS. It contains two sets of resonators controlled by separate keyboards. Each resonator has independent pitch (set by EDO division value of the keyboard), volume and modulation. Each resonator is a delay with feedback that contains lowpass + allpass and bandpass filters. Each set has a common "color" parameter that changes balance between these filter sets in each single resonator. The "mix" control allows crossfade from dry to fully processed signal. UI features two independent keyboards with: • 4 – 72 keys (voices, steps) per octave, each with its own ring modulator • maximum polyphony equal to the number of voices; max polyphony is 144 voices • 1 – 4 octave range, covering the frequency range of about 8 – 4200 Hz • display with note number (from C), note name, frequency (in Hz), and deviation from 12-TET (in cents) • two sections per keyboard: upper for non-sustained notes, gliding, and velocity; lower for sustained notes and modulation rate • mute button to stop/start all sound • delete/panic button to erase all notes • glide button for smooth sweeps across keyboard frequency range • modulation on/off button • slider to set initial velocity and modulation levels • slider to change velocity and modulation rates for all notes on the keyboard proportionally and to show current velocity and mod rate levels • button to toggle keyboard visibility. resonatedo supports MIDI input from external sources to control each keyboard independently.
Screenshots
Verdict
The clearest difference is price: resonatedo at $3.99 against Mantis's $14.99. Mantis's advantage is update cadence (every 9 months vs every 40 months). On rating, ratings volume, ads and in-app purchases 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
Mantis costs $14.99 and resonatedo $3.99 up front. Neither carries in-app purchases, so what you see is what you pay.
On the App Store both sit at effectively the same score — 5.0 for Mantis against 5.0 for resonatedo. Both are backed by a comparable volume of ratings — 8 and 8 respectively.
Mantis ships an update every 9 months, resonatedo every 40 months. The most recent releases landed on September 10, 2026 and September 24, 2026 respectively.
| Parameter | Mantis | resonatedo |
|---|---|---|
| Price | $14.99 | $3.99 — better |
| Rating | 5.0 (8 ratings) | 5.0 (8 ratings) |
| Positive reviews | — | 75.0% of reviews |
| Number of ratings | 8 | 8 |
| Update frequency | Every 9 months — better | Every 40 months |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Paid | Paid |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod, Mac — better |
| Requires iOS | 14.0 — better | 15.0 |
| Further details — not scored | ||
| Size | 10 MB | 11 MB |
| Age rating | 4+ | 4+ |
| Developer | AudioThing Ltd. | Alexey Nadzharov |
Customer experience
Mantis
resonatedo
In-app purchases
Mantis
No in-app purchases
resonatedo
No in-app purchases









