REST API Client vs Chat API
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
REST API Client
This tool allows users to send and analyze API requests with customizable parameters, authorization, and body content. It offers robust search and filtering capabilities for managing saved requests, optimized for iPadOS with keyboard support.
- Send and analyze API requests
- Customize query parameters, authorization, and headers
- Support for four body types
- Search and filter requests
- Create, save, update, and delete requests
- Optimized for iPadOS with keyboard support
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Send and analyze requests with detailed response headers and results. Add query parameters, authorization tokens, headers, or body content to tailor every request. Choose from four flexible body types: none, form-data, form-urlencoded, or raw. Search and filter requests by name, URL, HTTP method, or modified date, and organize them by month or year. Create, save, update, or delete requests seamlessly within the REST API Client. Fully optimized for iPadOS, with support for Smart/Magic Keyboard and time-saving keyboard shortcuts.
Chat API
Access powerful AI models locally or through cloud APIs. This tool offers flexible integration with GPT-4, OpenAI, Grok, and local LLMs for diverse tasks like coding, drafting, and research.
- Private local LLM support with Ollama
- OpenAI and Grok API integration
- Built-in text-only GPT-4 model
- Bing-powered real-time searches
- Image generation capabilities
- Seamless model switching
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Run private local LLM AI models with Ollama, or unleash AI through OpenAI & Grok APIs for advanced features and flexibility. ChatAPI offers a built-in text-only GPT-4 model for instant AI access, plus support for OpenAI API, Grok API, local LLM Ollama models, and Bing-powered real-time searches. - Flexible AI Access: Use the onboard GPT-4, connect Ollama for running private AI locally on your own PC or server, or integrate OpenAI/Grok/Bing APIs for advanced features like image generation. - Versatile & Powerful: Seamlessly switch between models for drafting, coding, brainstorming, or research with fast, reliable responses. Subscription Options: - Monthly: Unlimited GPT-4, OpenAI/Grok/Bing API integration, and Ollama support. - Yearly: Same as monthly, with cost savings. Download ChatAPI for flexible, private, and powerful AI interactions! Privacy Policy: https://sites.google.com/view/gpt-lite/privacy Terms of Use: https://sites.google.com/view/gpt-lite/terms Support: https://sites.google.com/view/gpt-lite/support
Screenshots
Verdict
The clearest difference is update cadence: Chat API at weekly against REST API Client's every 3 weeks. On price, rating, ratings volume 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
Both are free to download. REST API Client sells 1 one-off in-app purchase and Chat API sells 3 in-app purchases, starting at $1.99 per month. Whichever you choose, the download price is not the number that matters.
On the App Store both sit at effectively the same score — 4.3 for REST API Client against 4.2 for Chat API. Both are backed by a comparable volume of ratings — 6 and 5 respectively.
REST API Client ships an update every 3 weeks, Chat API weekly. The most recent releases landed on September 21, 2026 and October 4, 2026 respectively.
| Parameter | REST API Client | Chat API |
|---|---|---|
| Price | Free | Free |
| Rating | 4.3 (6 ratings) — better | 4.2 (5 ratings) |
| Positive reviews | — | 75.0% of reviews |
| Number of ratings | 6 — better | 5 |
| Update frequency | Every 3 weeks | Weekly — better |
| Ads | Yes | Yes |
| In-app purchases | Yes | Yes |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 14.0 | 14.0 |
| Further details — not scored | ||
| Size | 17 MB | 78 MB |
| Age rating | 4+ | 17+ |
| Developer | Tevon Wallace | Andres Nunez Soto |
Customer experience
REST API Client
Chat API
In-app purchases
REST API Client
- Remove Ads$1.99
Chat API
- Unlimited Access (Monthly)7 Days trial$1.991 Month
- Unlimited Access (Yearly)$19.991 Year
- Pro Supporter Yearly$49.991 Year
