# Kairox vs Hotstash

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

Both are free to download. Kairox sells 2 in-app purchases, starting at $5.99 per month and Hotstash 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, Hotstash fortnightly. The most recent releases landed on September 26, 2026 and October 8, 2026 respectively.

## The numbers

| Metric | Kairox | Hotstash |
| --- | --- | --- |
| 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** | Fortnightly |
| Monetization | Subscription | — |
| Size | 18 MB | 3 MB |
| Requires iOS | 17.0 | 17.0 |
| Devices | iPhone | **iPhone, iPad, Mac** |
| Age rating | 12+ | 4+ |
| Developer | [Sofia Marin](https://appshunter.io/developer/1849827756) | [Zeyad Amer](https://appshunter.io/developer/6771842607) |

## 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 |


### Hotstash

[App page](https://appshunter.io/ios/app/hotstash/id6771842605)

**Features:** Vision Pro support

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Hotstash | $9.99 | one-time |


## Frequently asked questions

### Is Kairox free?

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

### Is Hotstash free?

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

### Do Kairox or Hotstash have ads?

Neither Kairox nor Hotstash shows ads.

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

Kairox ships an update every 4 days, and Hotstash fortnightly. Most recently, Kairox was updated on September 26, 2026 and Hotstash on October 8, 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.*