Jack the beat maker app vs 421Grid
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Jack the beat maker app
Create music on the go with this pocket-sized drum machine. Record live beats using drum pads, add basslines, and export your creations in WAV or MIDI formats. It offers synthesized bass and sampled drum sounds for easy music production.
- Pocket-sized drum machine
- Live recording with drum pads
- Add simple bass lines
- 2 drum kits with 12 tweakable sounds
- Customizable bass sound
- Export to WAV or MIDI
- Metronome
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Pocket size drum machine, perfect for making beats. You can record live with the drum pads and even add simple bass line to the beat. 2 drum kits with 12 tweakable drum sounds and customisable bass sound Easy to use! - real synthesised bass sounds - sampled drum sounds - export to WAV or MIDI - metronome - real-time parameters Jack the beat maker is simplified but yet powerful rhythm greater tool.
421Grid
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Turn Practice into Progress. Inspiration into Execution. Whether you’re a drumline veteran, music educator, or aspiring percussionist, this app is your personal drumming lab—designed to help you experiment, customize, and level up your chops with precision. Built for Rudimental Drummers Who Want More Forget flipping through old notebooks or searching YouTube for exercises you can’t customize. With this app, you can build your own practice grids, apply the legendary 4-2-1 structure, and modify exercises using accents, subdivisions (triplets, fivelets, sixteenths), or even alternate stickings—all with just a few taps. Customize Everything Shift the beat. Change the direction. Reverse your sticking. Or layer complexity to push your brain and hands to the limit. Every exercise becomes your own. Designed for Students and Educators Music teachers: Quickly generate custom warmups or technique builders for your drumline. Students: Practice smarter, not just harder—with structured routines and unlimited variations. Why Drummers Are Calling This a Game-Changer: • Reinforces fundamentals through creative repetition • Encourages daily practice through customization and challenge • Perfect for drumline auditions, solo prep, or just sharpening your hands • No internet? No problem. Train anywhere you take your sticks. Ready to Break Through Your Plateaus? This isn’t just another drumming app. It’s your creative practice engine, your daily workout, and your edge over the competition. Download now and redefine your rudimental journey.
Screenshots
Verdict
The clearest difference is update cadence: 421Grid at every 3 months against Jack the beat maker app's every 38 months. Jack the beat maker app's advantage is iOS requirement (10.0 vs 18.0). On price, 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
Jack the beat maker app costs $1.99 and 421Grid $1.99 up front. Neither carries in-app purchases, so what you see is what you pay.
Jack the beat maker app ships an update every 38 months, 421Grid every 3 months. The most recent releases landed on September 18, 2026 and September 17, 2026 respectively.
| Parameter | Jack the beat maker app | 421Grid |
|---|---|---|
| Price | $1.99 | $1.99 |
| Positive reviews | 33.3% of reviews | — |
| Update frequency | Every 38 months | Every 3 months — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Paid | — |
| Devices | iPhone, iPad, iPod — better | iPhone, iPad |
| Requires iOS | 10.0 — better | 18.0 |
| Further details — not scored | ||
| Size | 19 MB | 4 MB |
| Age rating | 4+ | 4+ |
| Developer | Aleksandar Mlazev | N. Wheeler |
In-app purchases
Jack the beat maker app
No in-app purchases
421Grid
No in-app purchases
Questions
Is Jack the beat maker app free?
Is 421Grid free?
Do Jack the beat maker app or 421Grid have ads?
Which is updated more often, Jack the beat maker app or 421Grid?
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