# Echo vs KittyLitter

The clearest difference is price: KittyLitter at Free against Echo's $2.99. KittyLitter also leads on rating (4.9 vs 3.7) and review sentiment (100% vs 58%). Echo's advantage is in-app purchases (none vs 4) and update cadence (every 2 days vs every 2 weeks). On ratings volume, ads, monetization model and device support there is nothing between them.

KittyLitter is free to download; Echo costs $2.99 up front. KittyLitter sells 4 one-off in-app purchases. Echo asks for nothing beyond the download.

KittyLitter holds the better App Store score, 4.9 against 3.7. Both are backed by a comparable volume of ratings — 37 and 44 respectively. Written reviews point the same way: 58% of Echo's written reviews are positive against 100% of KittyLitter's.

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

## The numbers

| Metric | Echo | KittyLitter |
| --- | --- | --- |
| Price | $2.99 | **Free** |
| Rating | [3.7 (37 ratings)](https://appshunter.io/ios/app/echo-ssh-plus-mosh-client/id6758669847/reviews) | **[4.9 (44 ratings)](https://appshunter.io/ios/app/kittylitter/id6759521788/reviews)** |
| Number of ratings | 37 | **44** |
| Positive reviews | 57.9% of reviews | **100.0% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Every 2 days** | Every 2 weeks |
| Monetization | Free | Free |
| Best chart rank | **#29** | — |
| Size | 65 MB | 135 MB |
| Requires iOS | 26.2 | **18.0** |
| Devices | iPhone, iPad | **iPhone, iPad, Apple Watch** |
| Age rating | 4+ | 4+ |
| Developer | [Replay Software Limited](https://appshunter.io/developer/602201895) | [sherif cherfa](https://appshunter.io/developer/6792739580) |

## What reviewers say

### Echo

[App page](https://appshunter.io/ios/app/echo-ssh-plus-mosh-client/id6758669847)

**Currently charting:** #29 Top Paid · Developer Tools (US App Store)

This app provides a fast and modern terminal experience for iOS devices, enabling secure SSH and Mosh connections. It's designed for efficient interaction with servers, code deployment, and managing AI agents on the go.

**Highlights:** SSH + Mosh client, Fast terminal emulator, SSH certificate authentication, Face ID integration, Touch-optimized toolbar, Customizable themes

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

**In-app purchases:** none


### 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 |


## Frequently asked questions

### Is Echo free?

Echo costs $2.99, with no in-app purchases.

### Is KittyLitter free?

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

### Which has better reviews, Echo or KittyLitter?

KittyLitter is rated higher. Echo averages 3.7 out of 5 from 37 ratings, while KittyLitter averages 4.9 from 44 ratings.

### Do Echo or KittyLitter have ads?

Neither Echo nor KittyLitter shows ads.

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

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