Vatanator Pro vs mKer
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Vatanator Pro
Create music with this advanced multitrack sequencer. It features a built-in drum machine, sampler, and support for external instruments and effects. Compose instantly with full MIDI and MPE capabilities.
- Advanced multi-track music sequencer
- Integrated drum machine and sampler
- Audio Unit Extension (AUv3) host
- Full MIDI and MPE support
- Real-time pattern editing
- Song arranger and performance mode
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Vatanator Pro is an advanced multitrack music sequencer with integrated drum machine, sampler and functionality to load external AUv3 instruments and effects. Support full feature MIDI and MPE. Vatanator Pro is an all-in-one music composer for instant results. Features: • Audio Unit Extension Host • Advanced multi-track music sequencer • Edit and record patterns in real-time (with options for quantization, undo and more) • Integrated real-time drum sampler with individual effects and XY pad • On-screen piano keyboard for playing/recording AUv3 instruments • Isomorphic keyboard with option for selecting different scales • Full MIDI implementation (Bluetooth MIDI, Network MIDI and USB MIDI) • MIDI Learn implementation • Integrated drum repeater and instrument arpeggiator • MPE support • Parameter automation (AUv3 and internal parameters) • Song arranger • Performance Mode (use multi-touch to control patterns) • Drum kit editor (with ability for rearrange/remove/add samples) • Sample recorder and advanced sample slicer • Audiobus, Ableton Link, Ableton Live Set Export and Inter-App Audio support • Import Audio/MIDI files from Files app • Audio track support • Multi-channel mixer • Odd-time signature support • Option to autosave/load last project
mKer
A versatile MIDI step sequencer designed for music creation. It offers multiple outputs, extensive pattern and lane customization, and advanced step editing. Best used within an AUv3 host app for sound generation.
- 8 MIDI outputs
- 64 Patterns with 16 Lanes each
- Customizable Steps and Step Size per Lane
- Advanced Step Parameters (Pitch, Velocity, Probability, etc.)
- Flexible Editor with Step Entry Keyboard
- 32 Clips with Repeat Functionality
- Performance Tab with Assignable Sliders and Morphing
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*** Note *** Although mKer can run as a stand-alone app, the recommended way to use it is as an AUv3 plugin from inside a suitable AU Host app that supports MIDI Processors such as AUM, Audiobus, Cubasis etc. Please also note that mKer is a MIDI app/plugin. That means that it does not produce sound itself - it needs to be connected to an audio source that can receive MIDI. mKer is a versatile, multi-output MIDI step sequencer with an extensive range of features. These include: - 8 MIDI outputs - 64 Patterns - 16 Lanes (aka tracks) per Pattern - Independent number of Steps (1-32) and Step Size (1/64-256 beats) per Lane per Pattern - Every step can play either a single note, an interval (2 notes) or a chord (3 or 4 notes) - Lane Step parameters: Play Cycles, Skip Cycles, Play Offset Cycles, Pitch, Velocity, Probability, Offset (can be used for ‘swing’ like effects), Repeat (rachet) and Gate - A flexible Editor that includes a step entry keyboard, parameter sliders and a variety of options and utilities designed for to make the workflow intuitive and fast - 32 Clips with 1-8 Steps per Clip, 1-128 repeats per step (every clip step has one pattern) - 3 Play Modes: Pattern, Clip, Sequence (all Clips) - A Performance tab with 10 fully assignable MIDI sliders, a 12-snapshot bank and morphing function between the snapshots... - MIDI step input and real-time recording - 12-track beat generator with six genres, density, intensity and GM beat mapping ... and more!
Verdict
The clearest difference is price: mKer at $3.99 against Vatanator Pro's $24.99. mKer also leads on rating (4.5 vs 3.7) and in-app purchases (none vs 1). On ratings volume, update cadence, ads and monetization model 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
Vatanator Pro costs $24.99 and mKer $3.99 up front. Vatanator Pro sells 1 one-off in-app purchase. mKer asks for nothing beyond the download.
mKer holds the better App Store score, 4.5 against 3.7. Both are backed by a comparable volume of ratings — 10 and 22 respectively. Written reviews point the same way: 44% of Vatanator Pro's written reviews are positive against 64% of mKer's.
Vatanator Pro ships an update fortnightly, mKer every 3 weeks. The most recent releases landed on October 3, 2026 and October 6, 2026 respectively.
| Parameter | Vatanator Pro | mKer |
|---|---|---|
| Price | $24.99 | $3.99 — better |
| Rating | 3.7 (10 ratings) | 4.5 (22 ratings) — better |
| Positive reviews | 44.4% of reviews | 63.6% of reviews — better |
| Number of ratings | 10 | 22 — better |
| Update frequency | Fortnightly — better | Every 3 weeks |
| Ads | No | No |
| In-app purchases | Yes | No — better |
| Monetization | Paid | Paid |
| Devices | iPad | iPad |
| Requires iOS | 14.0 | 13.0 — better |
| Further details — not scored | ||
| Size | 87 MB | 57 MB |
| Age rating | 4+ | 4+ |
| Developer | BACKPULLVER SOFTWARE LTD OOD | Axart Labs OU |
Customer experience
Vatanator Pro
mKer
In-app purchases
Vatanator Pro
- Groove ChargeFree
mKer
No in-app purchases









