# J vs D3 Technician

The clearest difference is update cadence: D3 Technician at every 2 months against J's every 5 months. J's advantage is iOS requirement (12.0 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 every 5 months, D3 Technician every 2 months. The most recent releases landed on October 8, 2026 and October 14, 2026 respectively.

## The numbers

| Metric | J | D3 Technician |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[3.0 (2 ratings)](https://appshunter.io/ios/app/d3-technician/id6459700520/reviews)** |
| Number of ratings | — | **2** |
| Positive reviews | — | 0.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 5 months | **Every 2 months** |
| Monetization | — | Free |
| Size | 27 MB | 27 MB |
| Requires iOS | **12.0** | 15.1 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [JSW PACIFIC CORPORATION](https://appshunter.io/developer/999731327) | [D3 Salon Solution LLC](https://appshunter.io/developer/1626349351) |

## What reviewers say

### J

[App page](https://appshunter.io/ios/app/j-lock/id1473082878)

**In-app purchases:** none


### D3 Technician

[App page](https://appshunter.io/ios/app/d3-technician/id6459700520)

This app helps nail technicians track their daily earnings and view their appointment schedules. It provides real-time updates on tickets, tips, and daily appointments, allowing technicians to manage their work efficiently.

**Highlights:** Track daily earnings and tips, View appointment schedules, Real-time ticket payment notifications, Prepare for appointments in advance, Integrated with D3 Salon POS system

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is J free?

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

### Is D3 Technician free?

D3 Technician is free to download, with no in-app purchases.

### Do J or D3 Technician have ads?

Neither J nor D3 Technician shows ads.

### Which is updated more often, J or D3 Technician?

J ships an update every 5 months, and D3 Technician every 2 months. Most recently, J was updated on October 8, 2026 and D3 Technician on October 14, 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.*