# Ether Atlas vs Kairos

The clearest difference is price: Kairos at Free against Ether Atlas's $2.99. Ether Atlas's advantage is update cadence (daily vs weekly) and iOS requirement (15.6 vs 26.5). On ads, in-app purchases and device support there is nothing between them.

Kairos is free to download; Ether Atlas costs $2.99 up front. Ether Atlas sells 5 in-app purchases, starting at $2.99 per month and Kairos sells 2 in-app purchases, starting at $6.99 per month. Whichever you choose, the download price is not the number that matters.

Ether Atlas ships an update daily, Kairos weekly. Both last shipped on October 28, 2026.

## The numbers

| Metric | Ether Atlas | Kairos |
| --- | --- | --- |
| Price | $2.99 | **Free** |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/kairos-screen-time-blocker/id6787798623/reviews)** |
| Number of ratings | — | **1** |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Daily** | Weekly |
| Monetization | — | Freemium |
| Size | 282 MB | 7 MB |
| Requires iOS | **15.6** | 26.5 |
| Devices | **iPhone, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [EtherAtlas AB](https://appshunter.io/developer/1877122206) | [Alexander Spiridellis](https://appshunter.io/developer/6787798625) |

## What reviewers say

### Ether Atlas

[App page](https://appshunter.io/ios/app/ether-atlas/id6759167488)

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

**In-app purchases (5)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly Basic | $2.99 | per month |
| Monthly Premium | $8.99 | per month |
| Premium Annual (Discounted) | $22.99 | per year |
| Annualy Basic | $34.99 | per year |
| Annualy Premium | $69.99 | per year |


### Kairos

[App page](https://appshunter.io/ios/app/kairos-screen-time-blocker/id6787798623)

Take back control of your phone usage with this app that allows you to block distracting applications and websites on a schedule or with a single tap. Gain insights into your usage patterns and build streaks towards your personal screen time goals.

**Highlights:** Block apps, categories, and websites, Schedule app blocking, On-demand blocking, Branded block screen, Usage insights and streaks, Uses Apple Screen Time features

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Kairos Pro (Monthly) | $6.99 | per month |
| Kairos Pro (Yearly) | $49.99 | per year |


## Frequently asked questions

### Is Ether Atlas free?

Ether Atlas costs $2.99, and also offers in-app purchases.

### Is Kairos free?

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

### Do Ether Atlas or Kairos have ads?

Neither Ether Atlas nor Kairos shows ads.

### Which is updated more often, Ether Atlas or Kairos?

Ether Atlas ships an update daily, and Kairos weekly. Most recently, Ether Atlas was updated on October 28, 2026 and Kairos on October 28, 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.*