# Hyper Zones vs China Key

The clearest difference is in-app purchases: China Key at none against Hyper Zones's 4. China Key also leads on iOS requirement (13.0 vs 15.0). Hyper Zones's advantage is update cadence (fortnightly vs every 11 months) and device support (4 vs 2). On price and ads there is nothing between them.

Both are free to download. Hyper Zones sells 4 in-app purchases, starting at $7.99 per month. China Key asks for nothing beyond the download.

Hyper Zones ships an update fortnightly, China Key every 11 months. The most recent releases landed on October 24, 2026 and October 27, 2026 respectively.

## The numbers

| Metric | Hyper Zones | China Key |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (3 ratings)](https://appshunter.io/ios/app/hyper-zones-time-zone-tracker/id6478041584/reviews)** | — |
| Number of ratings | **3** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Fortnightly** | Every 11 months |
| Monetization | Free with in-app purchases | — |
| Size | 81 MB | 28 MB |
| Requires iOS | 15.0 | **13.0** |
| Devices | **iPhone, iPad, iPod, Mac** | iPhone, iPod |
| Age rating | 4+ | +17 |
| Developer | [Birju Vachhani](https://appshunter.io/developer/1680313198) | [MEGABEE SAL](https://appshunter.io/developer/1609910651) |

## What reviewers say

### Hyper Zones

[App page](https://appshunter.io/ios/app/hyper-zones-time-zone-tracker/id6478041584)

Manage time zones effortlessly with this intuitive app. Visualize and preview times across locations with interactive sliders and customizable entities. Seamlessly syncs across devices, prioritizing privacy and accessibility for global connections.

**Highlights:** Curved sunlight slider for time zone visualization, Interactive sliders for time previews, Customizable entities with colors and icons, Cross-platform syncing, Privacy-focused with zero tracking, Customizable accessibility settings

**Features:** Vision Pro support

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly Subscription | $7.99 | per month |
| Monthly Subscription | $7.99 | per month |
| Annual Subscription | $79.99 | per year |
| Lifetime | $149.99 | one-time |


### China Key

[App page](https://appshunter.io/ios/app/china-key/id6737232804)

**In-app purchases:** none


## Frequently asked questions

### Is Hyper Zones free?

Hyper Zones is free to download, with in-app purchases available.

### Is China Key free?

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

### Do Hyper Zones or China Key have ads?

Neither Hyper Zones nor China Key shows ads.

### Which is updated more often, Hyper Zones or China Key?

Hyper Zones ships an update fortnightly, and China Key every 11 months. Most recently, Hyper Zones was updated on October 24, 2026 and China Key on October 27, 2026.

---

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