# Acne vs Kachai

The clearest difference is update cadence: Kachai at every 2 weeks against Acne's monthly. Acne's advantage is iOS requirement (15.0 vs 18.0). 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.

Acne ships an update monthly, Kachai every 2 weeks. The most recent releases landed on November 3, 2026 and September 24, 2026 respectively.

## The numbers

| Metric | Acne | Kachai |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.0 (48 ratings)](https://appshunter.io/ios/app/acne-safe/id1526314570/reviews)** | — |
| Number of ratings | **48** | — |
| Positive reviews | 71.4% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Monthly | **Every 2 weeks** |
| Monetization | Free | — |
| Size | 4 MB | 3 MB |
| Requires iOS | **15.0** | 18.0 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Acne Solutions NYC INC](https://appshunter.io/developer/1526314572) | [Dmitriy Bannikov](https://appshunter.io/developer/1839027897) |

## What reviewers say

### Acne

[App page](https://appshunter.io/ios/app/acne-safe/id1526314570)

Easily check if skincare, makeup, and hair products contain pore-clogging ingredients. Identify products safe for acne-prone skin and avoid breakouts caused by hidden comedogenic components.

**Highlights:** Check product ingredient safety, Identify pore-clogging ingredients, Safe for acne-prone skin, Skincare, makeup, and hair product analysis

**Features:** Vision Pro support

**In-app purchases:** none


### Kachai

[App page](https://appshunter.io/ios/app/kachai/id6761285377)

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

**In-app purchases:** none


## Frequently asked questions

### Is Acne free?

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

### Is Kachai free?

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

### Do Acne or Kachai have ads?

Neither Acne nor Kachai shows ads.

### Which is updated more often, Acne or Kachai?

Acne ships an update monthly, and Kachai every 2 weeks. Most recently, Acne was updated on November 3, 2026 and Kachai on September 24, 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.*