# JongKey vs NexusFocus

The clearest difference is ads: NexusFocus at none against JongKey's shown. JongKey's advantage is update cadence (daily vs every 3 days). On price, in-app purchases, device support and iOS requirement there is nothing between them.

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

JongKey ships an update daily, NexusFocus every 3 days. The most recent releases landed on October 28, 2026 and October 19, 2026 respectively.

## The numbers

| Metric | JongKey | NexusFocus |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/nexusfocus/id6754302996/reviews)** |
| Number of ratings | — | **1** |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | **Daily** | Every 3 days |
| Monetization | — | Free |
| Size | 6 MB | 10 MB |
| Requires iOS | 17.6 | 17.6 |
| Devices | iPhone | **iPhone, iPad** |
| Age rating | 4+ | 4+ |
| Developer | [Yuki Takeda](https://appshunter.io/developer/1021096508) | [伟华 林](https://appshunter.io/developer/1475754597) |

## What reviewers say

### JongKey

[App page](https://appshunter.io/ios/app/jongkey-mahjong-keyboard/id6748846911)

**Features:** macOS Compatibility

**In-app purchases:** none


### NexusFocus

[App page](https://appshunter.io/ios/app/nexusfocus/id6754302996)

This app provides professional photographers with a digital solution for lens calibration and adapter ring control. It uses Bluetooth to connect with intelligent devices, offering motor control, parameter calibration, and data management to improve efficiency and precision in photography.

**Highlights:** Wireless connectivity via Bluetooth LE, Intelligent adapter ring control, Motor control, Parameter calibration, Data management, Firmware updates

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

**In-app purchases:** none


## Frequently asked questions

### Is JongKey free?

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

### Is NexusFocus free?

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

### Do JongKey or NexusFocus have ads?

JongKey shows ads; NexusFocus does not.

### Which is updated more often, JongKey or NexusFocus?

JongKey ships an update daily, and NexusFocus every 3 days. Most recently, JongKey was updated on October 28, 2026 and NexusFocus on October 19, 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.*