# LOOP vs Kartka Journal

The clearest difference is in-app purchases: LOOP at none against Kartka Journal's 1. LOOP also leads on device support (3 vs 1) and iOS requirement (15.1 vs 17.0). Kartka Journal's advantage is update cadence (every 10 days vs every 3 months). On price and ads there is nothing between them.

Both are free to download. Kartka Journal sells 1 one-off in-app purchase. LOOP asks for nothing beyond the download.

LOOP ships an update every 3 months, Kartka Journal every 10 days. The most recent releases landed on September 18, 2026 and September 10, 2026 respectively.

## The numbers

| Metric | LOOP | Kartka Journal |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 3 months | **Every 10 days** |
| Size | 39 MB | 8 MB |
| Requires iOS | **15.1** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Meixuan Li](https://appshunter.io/developer/1864108091) | [Michal Milczarski](https://appshunter.io/developer/6792077736) |

## What reviewers say

### LOOP

[App page](https://appshunter.io/ios/app/loop-duality-journal/id6756991503)

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

**In-app purchases:** none


### Kartka Journal

[App page](https://appshunter.io/ios/app/kartka-journal/id6792077734)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Full Version | $6.99 | one-time |


## Frequently asked questions

### Is LOOP free?

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

### Is Kartka Journal free?

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

### Do LOOP or Kartka Journal have ads?

Neither LOOP nor Kartka Journal shows ads.

### Which is updated more often, LOOP or Kartka Journal?

LOOP ships an update every 3 months, and Kartka Journal every 10 days. Most recently, LOOP was updated on September 18, 2026 and Kartka Journal on September 10, 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.*