# J vs EOTAK Stack

The clearest difference is update cadence: J at fortnightly against EOTAK Stack's every 2 months. J also leads on iOS requirement (13.0 vs 15.1). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

J ships an update fortnightly, EOTAK Stack every 2 months. Both last shipped on September 26, 2026.

## The numbers

| Metric | J | EOTAK Stack |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[2.6 (5 ratings)](https://appshunter.io/ios/app/j-tech-digital-control/id1572720298/reviews)** | — |
| Number of ratings | **5** | — |
| Positive reviews | 50.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Fortnightly** | Every 2 months |
| Monetization | Free | — |
| Size | 59 MB | 32 MB |
| Requires iOS | **13.0** | 15.1 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [J-Tech Digital, Inc](https://appshunter.io/developer/1147761166) | [EOTAK LLC](https://appshunter.io/developer/1890215682) |

## What reviewers say

### J

[App page](https://appshunter.io/ios/app/j-tech-digital-control/id1572720298)

Easily manage and configure compatible J-Tech Digital A/V equipment directly from your mobile device. Control routing settings, save configurations, and connect devices without needing a physical keyboard or mouse.

**Highlights:** Control routing settings, Manage multiple devices, Remember device settings, Save/Load routing settings, Configure A/V equipment, Connect devices remotely

**Features:** macOS Compatibility

**In-app purchases:** none


### EOTAK Stack

[App page](https://appshunter.io/ios/app/eotak-stack/id6761544281)

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

**In-app purchases:** none


## Frequently asked questions

### Is J free?

J is free to download, with no in-app purchases.

### Is EOTAK Stack free?

EOTAK Stack is free to download, with no in-app purchases.

### Do J or EOTAK Stack have ads?

Neither J nor EOTAK Stack shows ads.

### Which is updated more often, J or EOTAK Stack?

J ships an update fortnightly, and EOTAK Stack every 2 months. Most recently, J was updated on September 26, 2026 and EOTAK Stack on September 26, 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.*