Comparison

KittyLitter vs hark

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

KittyLitter

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
Read full description

Litter is a native mobile client for Codex. Connect to local or remote Codex servers, manage coding sessions from anywhere, and keep conversations moving without opening your laptop. Features: - Add a direct server endpoint, connect over SSH, or pair with Alleycat by QR code - Connect to remote machines over SSH and start Codex remotely - Talk to Codex with voice input for fast, hands-free prompts - Review conversation history, reasoning, code blocks, and images in a mobile-native UI - Keep coding sessions on servers you control, with optional Alleycat relay pairing and OpenAI voice processing Litter is open source and built for people who want their coding agent with them wherever they are.

About

hark

Features
Read full description

Hark gives indie developers one place for notifications from all their projects. Create a service in the Hark dashboard, copy its private webhook URL, and POST a simple JSON payload whenever something happens. Hark delivers the event to your iPhone as a communication notification with your project’s name and image. Use Hark for: • New signups and waitlist joins • Payments and subscription events • Failed jobs and operational alerts • Customer feedback • Launch milestones and anything else that can call a webhook Each service can define a default title, image, and destination URL. Individual requests can override those fields when needed. Hark also includes idempotency protection, delivery activity, and secure token rotation. One app. Every project. Let the important things find you.

Screenshots

KittyLitter4 screens
hark3 screens

Verdict

The call

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.

Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS

CostPrice · In-app purchases · Ads · Monetization

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

UpkeepUpdate frequency

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

Scorecard4 real differences · 6 level
KittyLitter versus hark: the parameters behind the verdict, then further details
ParameterKittyLitterhark
PriceFreeFree
Rating4.9 (44 ratings) — better—
Positive reviews100.0% of reviews—
Number of ratings44 — better—
Update frequencyEvery 2 weeksEvery 3 days — better
AdsNoNo
In-app purchasesYesNo — better
MonetizationFree—
DevicesiPhone, iPad, Apple Watch — betteriPhone
Requires iOS18.016.4 — better
Further details — not scored
Size135 MB46 MB
Age rating4+4+
Developersherif cherfaRyan Vogel

In-app purchases

4 purchases

KittyLitter

One-time4
  • $9.99 Tip$9.99
  • $24.99 Tip$24.99
  • $49.99 Tip$49.99
Show 1 more
  • $99.99 Tip$99.99
None

hark

No in-app purchases

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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