# Kairox vs Chronaya

The clearest difference is update cadence: Kairox at every 4 days against Chronaya's every 2 weeks. Chronaya's advantage is device support (3 vs 1) and iOS requirement (15.0 vs 17.0). On price, ads and in-app purchases there is nothing between them.

Both are free to download. Kairox sells 2 in-app purchases, starting at $5.99 per month and Chronaya sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

Kairox ships an update every 4 days, Chronaya every 2 weeks. The most recent releases landed on October 31, 2026 and November 1, 2026 respectively.

## The numbers

| Metric | Kairox | Chronaya |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (4 ratings)](https://appshunter.io/ios/app/kairox-quit-doomscrolling/id6766369912/reviews)** | — |
| Number of ratings | **4** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Every 4 days** | Every 2 weeks |
| Monetization | Subscription | — |
| Size | 18 MB | 24 MB |
| Requires iOS | 17.0 | **15.0** |
| Devices | iPhone | **iPhone, iPad, iPod** |
| Age rating | 12+ | 4+ |
| Developer | [Sofia Marin](https://appshunter.io/developer/1849827756) | [AHMET BURHAN KAYALI](https://appshunter.io/developer/6791536185) |

## What reviewers say

### Kairox

[App page](https://appshunter.io/ios/app/kairox-quit-doomscrolling/id6766369912)

This app helps you build healthy hydration habits through smart tracking, reminders, and gamified wellness. Log water and electrolytes, build streaks, and unlock achievements with a virtual whale companion. Access requires a subscription or lifetime membership.

**Highlights:** Hydration tracking, Electrolyte logging, Streak building & achievements, Smart reminders, Whale companion gamification, History & insights, Apple Health integration

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly Pro | $5.99 | per month |
| Lifetime Pro | $14.99 | one-time |


### Chronaya

[App page](https://appshunter.io/ios/app/chronaya-deadline-tracker/id6791536183)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Chronaya Lifetime Pro | $4.99 | one-time |


## Frequently asked questions

### Is Kairox free?

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

### Is Chronaya free?

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

### Do Kairox or Chronaya have ads?

Neither Kairox nor Chronaya shows ads.

### Which is updated more often, Kairox or Chronaya?

Kairox ships an update every 4 days, and Chronaya every 2 weeks. Most recently, Kairox was updated on October 31, 2026 and Chronaya on November 1, 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.*