# ZJTY vs HFK NAV

The clearest difference is update cadence: HFK NAV at every 3 weeks against ZJTY's every 9 months. ZJTY's advantage is iOS requirement (10.0 vs 12.0). 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.

ZJTY ships an update every 9 months, HFK NAV every 3 weeks. The most recent releases landed on October 13, 2026 and October 6, 2026 respectively.

## The numbers

| Metric | ZJTY | HFK NAV |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 9 months | **Every 3 weeks** |
| Size | 50 MB | 38 MB |
| Requires iOS | **10.0** | 12.0 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Shenzhen Xiaozhen Technology Co.,Ltd.](https://appshunter.io/developer/1580274508) | [Shenzhen Huangfangkuai Technology Co.,Ltd.](https://appshunter.io/developer/1273634738) |

## What reviewers say

### ZJTY

[App page](https://appshunter.io/ios/app/zjty/id1633375459)

**Features:** macOS Compatibility

**In-app purchases:** none


### HFK NAV

[App page](https://appshunter.io/ios/app/hfk-nav/id6743339427)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is ZJTY free?

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

### Is HFK NAV free?

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

### Do ZJTY or HFK NAV have ads?

Neither ZJTY nor HFK NAV shows ads.

### Which is updated more often, ZJTY or HFK NAV?

ZJTY ships an update every 9 months, and HFK NAV every 3 weeks. Most recently, ZJTY was updated on October 13, 2026 and HFK NAV on October 6, 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.*