# Kolm vs AetherHaus

The clearest difference is monetization model: Kolm at free against AetherHaus's free with in-app purchases. On price, rating, ratings volume and update cadence there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

On the App Store both sit at effectively the same score — 5.0 for Kolm against 5.0 for AetherHaus. Both are backed by a comparable volume of ratings — 3 and 2 respectively.

Kolm ships an update monthly, AetherHaus every 3 weeks. The most recent releases landed on September 15, 2026 and August 30, 2026 respectively.

## The numbers

| Metric | Kolm | AetherHaus |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [5.0 (3 ratings)](https://appshunter.io/ios/app/kolm/id6670277350/reviews) | [5.0 (2 ratings)](https://appshunter.io/ios/app/aetherhaus/id6736920740/reviews) |
| Number of ratings | **3** | 2 |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Monthly | **Every 3 weeks** |
| Monetization | **Free** | Free with in-app purchases |
| Size | 38 MB | 38 MB |
| Requires iOS | 16.0 | 16.0 |
| Devices | iPhone | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [HCS PROJECT LTD](https://appshunter.io/developer/1765588763) | [Aether Haus Ice Bath and Sauna Inc.](https://appshunter.io/developer/1773847573) |

## What reviewers say

### Kolm

[App page](https://appshunter.io/ios/app/kolm/id6670277350)

Experience a unique sauna and ice bath facility offering aromatherapy, breathwork, and contrast therapy. The app allows you to manage your account, view class schedules, and make bookings for immersive wellness sessions.

**Highlights:** Sauna and ice bath experiences, Aromatherapy and breathwork sessions, Contrast therapy, Tea lounge access, Class schedule viewing, Booking appointments, Account management

**Features:** macOS Compatibility, Apple Wallet

**In-app purchases:** none


### AetherHaus

[App page](https://appshunter.io/ios/app/aetherhaus/id6736920740)

Easily browse and purchase class packs or membership options. View the schedule, filter classes by type, and book reservations to manage your fitness routine and stay committed to your goals.

**Highlights:** Purchase class packs and memberships, Browse class schedule, Filter classes by type, Manage class reservations, Track upcoming classes

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

**In-app purchases:** none


## Frequently asked questions

### Is Kolm free?

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

### Is AetherHaus free?

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

### Which has better reviews, Kolm or AetherHaus?

Kolm and AetherHaus are both rated 5.0 out of 5 on the App Store, from 3 and 2 ratings respectively.

### Do Kolm or AetherHaus have ads?

Neither Kolm nor AetherHaus shows ads.

### Which is updated more often, Kolm or AetherHaus?

Kolm ships an update monthly, and AetherHaus every 3 weeks. Most recently, Kolm was updated on September 15, 2026 and AetherHaus on August 30, 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.*