ChatFox vs Run Custom JS on Background
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
ChatFox
This AI client app connects you to various intelligent services using your private API key. It supports Generative AI Standards protocols, offers syntax highlighting for code, and includes local Ollama support for a convenient user experience.
- Connect to multiple AI models
- Use private API keys
- Syntax highlighting for code
- Local Ollama support
- Generative AI Standards compliance
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Welcome to our user-friendly AI client application! This application is designed to simplify your connection with various intelligent services, enabling easy access to a range of preset service providers. To get started quickly, simply add your private API key. Features: 1. Compliance with Generative AI Standards protocols; 2. Enable syntax highlighting for code in widely used programming languages; 3. Local Ollama support. Our application is compatible with the Generative AI Standards protocols, allowing users to customize configurations and seamlessly integrate other compatible services, such as Ollama. Whether you are a developer or an everyday user, this application offers a convenient experience that helps you fully harness the potential of intelligent technology. Download now and embark on your intelligent journey!
Run Custom JS on Background
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・Runs custom JavaScript code continuously in Safari ・Supports a wide range of functions, including automatic bookmarklet execution, ad blocking, and automation. ・Easily paste code using the Paste button ・Supports import and export. You can instantly transfer your settings to other devices.
Screenshots
Verdict
The clearest difference is update cadence: ChatFox at every 4 days against Run Custom JS on Background's every 4 months. ChatFox also leads on device support (4 vs 2) and iOS requirement (15.6 vs 17.6). On price, ads and in-app purchases 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
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
ChatFox ships an update every 4 days, Run Custom JS on Background every 4 months. The most recent releases landed on September 25, 2026 and September 30, 2026 respectively.
| Parameter | ChatFox | Run Custom JS on Background |
|---|---|---|
| Price | Free | Free |
| Rating | 1.0 (2 ratings) — better | — |
| Positive reviews | 0.0% of reviews | — |
| Number of ratings | 2 — better | — |
| Update frequency | Every 4 days — better | Every 4 months |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | — |
| Devices | iPhone, iPad, iPod, Mac — better | iPhone, iPad |
| Requires iOS | 15.6 — better | 17.6 |
| Further details — not scored | ||
| Size | 27 MB | 1 MB |
| Age rating | 4+ | 4+ |
| Developer | Digital Planet | Takada Hiroki |
In-app purchases
ChatFox
No in-app purchases
Run Custom JS on Background
No in-app purchases
Questions
Is ChatFox free?
Is Run Custom JS on Background free?
Do ChatFox or Run Custom JS on Background have ads?
Which is updated more often, ChatFox or Run Custom JS on Background?
Other comparisons
