ChatCat vs Mergeon
Price, ratings, monetisation and update history for both apps, side by side β with what reviewers say about each.
ChatCat
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A app that allows you to interact seamlessly with ChatGPT using your own API key. β’ Flexible Model Selection: Choose from a variety of models, including o1 models, to suit your needs and preferences. β’ Customizable Proxy/Endpoint: Set up your own custom domain for the proxy or endpoint, giving you full control over your interactions. β’ Unlimited Prompts: Create and manage as many unique prompts as youβd like, ensuring tailored and personalized experiences every time. β’ Intuitive Interface: Enjoy smooth, responsive gestures and haptic feedback for a pleasant, user-friendly experience. β’ No Hidden Costs: No subscriptions, advertisements, or data collectionβjust a clean, transparent app focused on your privacy and ease of use. Experience the freedom of ChatGPT with total control and no distractions.
Mergeon
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Mergeon is a lightweight multi-model AI client built for developers and advanced users. Use your own API keys to connect different AI providers and manage conversations in one unified workspace. Features: β’ Multi-model AI chat β’ Supports mainstream large model API integration β’ Flexible API key configuration β’ Web search capability β’ Image generation β’ Advanced reasoning options β’ Clean and minimal interface This app acts as a client interface. Users are responsible for providing their own API access. Built for flexibility, speed and control.
Screenshots
Verdict
The clearest difference is device support: ChatCat at 2 against Mergeon's β. Mergeon's advantage is iOS requirement (15.0 vs 18.0). On price and in-app purchases there is nothing between them.
Scored on Price Β· Rating Β· Positive reviews Β· Number of ratings Β· Update frequency Β· Ads Β· In-app purchases Β· Monetization Β· Best chart rank Β· Devices Β· Requires iOS
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
| Parameter | ChatCat | Mergeon |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 11 months | β |
| Ads | No | β |
| In-app purchases | No | No |
| Devices | iPhone, iPad β better | β |
| Requires iOS | 18.0 | 15.0 β better |
| Further details β not scored | ||
| Size | 11 MB | 5 MB |
| Age rating | 17+ | 4+ |
| Developer | θ΅ ε | ζ‘θ± η§¦ |
In-app purchases
ChatCat
No in-app purchases
Mergeon
No in-app purchases









