# HKJ vs Cycle Timers

The clearest difference is update cadence: Cycle Timers at every 4 days against HKJ's every 3 months. HKJ's advantage is iOS requirement (9.0 vs 17.0). 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.

HKJ ships an update every 3 months, Cycle Timers every 4 days. The most recent releases landed on October 4, 2026 and October 18, 2026 respectively.

## The numbers

| Metric | HKJ | Cycle Timers |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 months | **Every 4 days** |
| Size | 8 MB | 11 MB |
| Requires iOS | **9.0** | 17.0 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [慧科技有限公司](https://appshunter.io/developer/1465191503) | [Izotz Cristobal Mota](https://appshunter.io/developer/1889865541) |

## What reviewers say

### HKJ

[App page](https://appshunter.io/ios/app/hkj/id1542730519)

**Features:** macOS Compatibility

**In-app purchases:** none


### Cycle Timers

[App page](https://appshunter.io/ios/app/cycle-timers/id6796827400)

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

**In-app purchases:** none


## Frequently asked questions

### Is HKJ free?

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

### Is Cycle Timers free?

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

### Do HKJ or Cycle Timers have ads?

Neither HKJ nor Cycle Timers shows ads.

### Which is updated more often, HKJ or Cycle Timers?

HKJ ships an update every 3 months, and Cycle Timers every 4 days. Most recently, HKJ was updated on October 4, 2026 and Cycle Timers on October 18, 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.*