# CX vs Kantan Clock

The clearest difference is price: Kantan Clock at $0.99 against CX's $19.99. Kantan Clock also leads on rating (5.0 vs 3.7) and update cadence (every 4 days vs every 8 months). CX's advantage is ratings volume (11 vs 1) and chart position (#77 vs unranked). On ads, in-app purchases, monetization model and device support there is nothing between them.

CX costs $19.99 and Kantan Clock $0.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Kantan Clock holds the better App Store score, 5.0 against 3.7. That said, the two scores are not equally well evidenced: CX has 11 ratings behind it against 1, so its average is the more settled of the two.

CX ships an update every 8 months, Kantan Clock every 4 days. The most recent releases landed on October 13, 2026 and October 2, 2026 respectively.

## The numbers

| Metric | CX | Kantan Clock |
| --- | --- | --- |
| Price | $19.99 | **$0.99** |
| Rating | [3.7 (11 ratings)](https://appshunter.io/ios/app/cx-3-flight-computer/id1645428895/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/kantan-clock/id6752209146/reviews)** |
| Number of ratings | **11** | 1 |
| Positive reviews | 35.7% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 8 months | **Every 4 days** |
| Monetization | Paid | Paid |
| Best chart rank | **#77** | — |
| Size | 3 MB | 1 MB |
| Requires iOS | 17.2 | **16.0** |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [ASA](https://appshunter.io/developer/334278379) | [Andres Iga Salas](https://appshunter.io/developer/1834643857) |

## What reviewers say

### CX

[App page](https://appshunter.io/ios/app/cx-3-flight-computer/id1645428895)

**Currently charting:** #77 Top Paid · Utilities (US App Store)

This aviation tool simplifies flight planning for pilots. It offers accurate calculations for time, speed, distance, fuel, and more, along with unit conversions and a built-in calculator. Designed for ease of use, it guides users through flight planning and execution with a natural menu flow.

**Highlights:** Flight planning calculations, Time, speed, distance functions, Fuel and altitude calculations, Unit conversions (12 categories), Weight and balance calculations, Holding pattern details, Built-in calculator, clock, timer

**In-app purchases:** none


### Kantan Clock

[App page](https://appshunter.io/ios/app/kantan-clock/id6752209146)

Track time across multiple cities with a clean, minimalist world clock. Organize your most important locations and view times at a glance with a home screen widget. Supports StandBy mode for easy viewing.

**Highlights:** Add and organize cities, 12/24 hour format switching, Clean, minimal interface, Home Screen widget, StandBy mode support

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is CX free?

CX costs $19.99, with no in-app purchases.

### Is Kantan Clock free?

Kantan Clock costs $0.99, with no in-app purchases.

### Which has better reviews, CX or Kantan Clock?

Kantan Clock is rated higher. CX averages 3.7 out of 5 from 11 ratings, while Kantan Clock averages 5.0 from 1 ratings.

### Do CX or Kantan Clock have ads?

Neither CX nor Kantan Clock shows ads.

### Which is updated more often, CX or Kantan Clock?

CX ships an update every 8 months, and Kantan Clock every 4 days. Most recently, CX was updated on October 13, 2026 and Kantan Clock on October 2, 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.*