# Jack the beat maker app vs 421Grid

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.

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.

## The numbers

| Metric | Jack the beat maker app | 421Grid |
| --- | --- | --- |
| Price | $1.99 | $1.99 |
| Positive reviews | 33.3% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 38 months | **Every 3 months** |
| Monetization | Paid | — |
| Size | 19 MB | 4 MB |
| Requires iOS | **10.0** | 18.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Aleksandar Mlazev](https://appshunter.io/developer/1093798140) | [N. Wheeler](https://appshunter.io/developer/312350021) |

## What reviewers say

### Jack the beat maker app

[App page](https://appshunter.io/ios/app/jack-the-beat-maker-app/id1168562099)

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.

**Highlights:** 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

**Features:** Vision Pro support

**In-app purchases:** none


### 421Grid

[App page](https://appshunter.io/ios/app/421grid/id1598461370)

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is Jack the beat maker app free?

Jack the beat maker app costs $1.99, with no in-app purchases.

### Is 421Grid free?

421Grid costs $1.99, with no in-app purchases.

### Do Jack the beat maker app or 421Grid have ads?

Neither Jack the beat maker app nor 421Grid shows ads.

### Which is updated more often, Jack the beat maker app or 421Grid?

Jack the beat maker app ships an update every 38 months, and 421Grid every 3 months. Most recently, Jack the beat maker app was updated on September 18, 2026 and 421Grid on September 17, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*