Chip's Jack Machine vs MNTRP
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Chip's Jack Machine
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Chip's Jack Machine is a pocket-sized classic house drum machine — 16 voices, a 16/32-step sequencer, and the hands-on knob-per-function workflow of the original hardware, with no menus to dig through. Most of the kit is synthesized live rather than played back from a sample library, so every knob genuinely reshapes the sound instead of filtering a recording. A few voices are built from recordings where a real one simply sounded better. FEATURES • 16 voices — bass drum, snare, low/mid/hi tom, clap, closed and open hat, cowbell, rim shot, maracas, low/mid/high conga, claves, and cymbal. • Per-voice TUNE, DECAY, TONE, SNAPPY, LEVEL, PAN and VERB — every one of them live. • 4 scenes (A/B/C/D) with instant switching, copy and paste. Each scene keeps its own pattern, bar length, mute/solo state and knob settings. • 8, 16 or 32-step patterns with swing. • Step recording — arm RECORD and play the pads in. • Load your own audio into any voice with SAMPLE. • Low-latency audio engine built for playing, not just playback. • Export a pattern as WAV, or export every voice separately as stems. • Save and load projects as .house files and move them between your devices — the same format the whole Architect Series uses. Runs on iPhone and iPad. Buy it once and it's yours. No subscription, no account, no ads, no in-app purchases, and no network connection — the app works entirely offline, forever. Part of the Time2Jack Architect Series.
MNTRP
Explore a unique soundscape by controlling a spaceship's journey through space. Its position on a figure-8 trajectory dictates the ambient drone sound, with distinct synthesis engines for each stage of the voyage. Automate sound parameters and experience immersive 3D visuals.
- Spatial sound control via spaceship trajectory
- Five distinct synthesis stages
- Continuous sound morphing
- Manual and automated flight modes
- Interactive 3D cockpit view
- AUv3 instrument and effect support
- MIDI hardware integration
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MNTRP is a drone instrument shaped like a journey: Earth to the Moon and back. A spaceship travels a figure-8 trajectory across the screen, and where the ship stands on that path IS the sound. There are no patches to browse — you play a position in space. THE TRIP The voyage passes through five stages, each with its own synthesis engines: • Liftoff — deep roaring engines, shaking metal • Interstellar — adventurous, airy drift (crossed twice: outbound and homebound) • Around the Moon — dark, mysterious, bowed strings • Reentry — the burn of coming home As the ship moves, the stages blend continuously into each other — a morph, never a switch. FLYING • Drag the spaceship along the path, or move the mission slider. • Or set a flight time (10–300 seconds) and press FLY: the ship flies itself and the sound travels with it. Missions loop — the entered time is one lap. Single-run mode lives in OPT. • The ship's position sets WHERE you are; the keyboard sets what sounds there. Nothing plays until you play. HOLD latches keys for hands-free drones. THE FIVE SHIP SYSTEMS The five big knobs mix the ship's systems, and each system keeps the same role through every stage: • ENGINES — the low floor: rumble, pedal, buffet • HULL — the ship's pitched voice • LSS — life support: the air • NAV — events and markers • COMMS — radio artefacts and telemetry TUNE Twelve shaping knobs under the TUNE panel: CUTOFF, RESO, DRIVE, TILT, TONE, SUB, ATTACK, RELEASE, GLIDE, RATE, DEPTH, SPACE. TRIPS — KNOB AUTOMATION Hold a still finger on any knob for two seconds to lock its value at the ship's current position — a red dot marks it on the knob's arc. Lock two or more points and the knob glides between them as the ship flies, around the full loop with no jump at the wrap. Name your trips, save them, load them. POV Press POV to ride in the cockpit: the Moon approach, the dark far side, Earthrise, the sun with its waving corona. Tilt your device to look around — the scene is a real 3D space in low-res pixel art: parallax stars, orbiting satellites, meteors, a photographed Milky Way. The sunlight follows your tilt, the terminator creeps across Earth and Moon — and at the right angle you can pull the Earth's shadow onto the Moon for an eclipse. AUV3 MNTRP ships as an AUv3 instrument and an AUv3 effect for hosts like AUM, GarageBand and Logic. The instrument is the full trip; the effect flies your own audio through the engines — the host signal bows the Moon's strings and feeds the reentry burn. Full state saving in the host; hardware MIDI in the standalone app. No accounts, no network, no data collected. Just the trip.
Screenshots
Verdict
The clearest difference is price: Chip's Jack Machine at $4.99 against MNTRP's $6.99. 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
Chip's Jack Machine costs $4.99 and MNTRP $6.99 up front. Neither carries in-app purchases, so what you see is what you pay.
| Parameter | Chip's Jack Machine | MNTRP |
|---|---|---|
| Price | $4.99 — better | $6.99 |
| Rating | — | 5.0 (3 ratings) — better |
| Positive reviews | — | 100.0% of reviews |
| Number of ratings | — | 3 — better |
| Update frequency | — | Every 2 weeks |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | — | Paid |
| Devices | iPhone, iPad | iPhone, iPad |
| Requires iOS | 17.0 — better | 18.0 |
| Further details — not scored | ||
| Size | 8 MB | 3 MB |
| Age rating | 4+ | 4+ |
| Developer | Irwin Eberhart | LASZLO DOBROVOLSZKI |
In-app purchases
Chip's Jack Machine
No in-app purchases
MNTRP
No in-app purchases









