# KittyLitter vs hark

The clearest difference is in-app purchases: hark at none against KittyLitter's 4. hark also leads on update cadence (every 3 days vs every 2 weeks) and iOS requirement (16.4 vs 18.0). KittyLitter's advantage is device support (3 vs 1). On price and ads there is nothing between them.

Both are free to download. KittyLitter sells 4 one-off in-app purchases. hark asks for nothing beyond the download.

KittyLitter ships an update every 2 weeks, hark every 3 days. Both last shipped on September 22, 2026.

## The numbers

| Metric | KittyLitter | hark |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.9 (44 ratings)](https://appshunter.io/ios/app/kittylitter/id6759521788/reviews)** | — |
| Number of ratings | **44** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 2 weeks | **Every 3 days** |
| Monetization | Free | — |
| Size | 135 MB | 46 MB |
| Requires iOS | 18.0 | **16.4** |
| Devices | **iPhone, iPad, Apple Watch** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [sherif cherfa](https://appshunter.io/developer/6792739580) | [Ryan Vogel](https://appshunter.io/developer/1680057141) |

## What reviewers say

### KittyLitter

[App page](https://appshunter.io/ios/app/kittylitter/id6759521788)

This app provides a native mobile interface for interacting with Codex servers. It allows users to manage coding sessions remotely, review conversation history, and communicate with the AI using voice input, all without needing a laptop.

**Highlights:** Discover local Codex servers, Connect to remote servers via SSH, Voice input for AI prompts, Review conversation history and code, Mobile-native UI, Stay connected to your own servers

**Features:** macOS Compatibility, Apple Watch app, Vision Pro support

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| $9.99 Tip | $9.99 | one-time |
| $24.99 Tip | $24.99 | one-time |
| $49.99 Tip | $49.99 | one-time |
| $99.99 Tip | $99.99 | one-time |


### hark

[App page](https://appshunter.io/ios/app/hark-developer-notifications/id6794121509)

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

**In-app purchases:** none


## Frequently asked questions

### Is KittyLitter free?

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

### Is hark free?

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

### Do KittyLitter or hark have ads?

Neither KittyLitter nor hark shows ads.

### Which is updated more often, KittyLitter or hark?

KittyLitter ships an update every 2 weeks, and hark every 3 days. Most recently, KittyLitter was updated on September 22, 2026 and hark on September 22, 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.*