Open Chat Inference vs SayFlow
Price, ratings, monetisation and update history for both apps, side by side ā with what reviewers say about each.
Open Chat Inference
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Open Chat is a native AI chat client that connects to the AI providers you already use. Bring your own API keys from Anthropic, OpenAI, and chat from a single, fast interface. Features: - Connect multiple AI providers in one app - Persistent conversation history - API keys stored securely in your device's keychain - Clean, distraction-free chat interface - Dark and light themes Open Chat is a client application. You'll need your own API keys from supported AI providers to use it. Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/
SayFlow
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SayFlow brings leading AI models together in one flexible chat app. Use your own API keys for cloud models, or run AI right on your iPhone. No account or subscription required. Chat with models from OpenAI, Anthropic, Google, SpaceXAI, and DeepSeek, or download open-weight models that run entirely on your device, alongside Apple Intelligence when available. Choose a model for each conversation, adjust reasoning and response settings, generate images, and keep your favorite prompts ready in your custom instruction library. SayFlow is built for people who want control over their AI workspace. Your API keys are stored securely in the Keychain, and your conversations stay on your device. When you use a cloud model, your messages are sent only to the provider you choose. Key Features: ⢠Chat with multiple AI providers in one app ⢠Bring your own API keys ⢠Run open-weight models on device, or import your own GGUF models ⢠Use on-device Apple Intelligence when available ⢠Add web search to supported models ⢠Choose a different model for each conversation ⢠Adjust reasoning where supported ⢠Generate images and attach photos and files ⢠Save and reuse custom instructions and skills ⢠Use voice input for quick prompts ⢠Automatically compress long chats to keep context focused ⢠View estimated tokens and response metrics ⢠Pin, search, archive, and export your chats ⢠Translate text with your selected model ⢠Start a secret chat that isn't saved ...and more. SayFlow does not sell API credits or subscriptions. Using third-party AI services may require your own provider account, API key, billing setup, and agreement to each provider's terms. SayFlow is an independent app and is not affiliated with OpenAI, Anthropic, Google, SpaceXAI, DeepSeek, or Apple. Terms of Use: https://saypop.kr/sayflow/terms/?lang=en Privacy Policy: https://saypop.kr/sayflow/privacy/?lang=en
Screenshots
Verdict
The clearest difference is iOS requirement: Open Chat Inference at 14.0 against SayFlow's 26.0. On price, ads, in-app purchases and device support there is nothing between them.
Scored on Price Ā· Rating Ā· Positive reviews Ā· Number of ratings Ā· Update frequency Ā· Ads Ā· In-app purchases Ā· Monetization Ā· Best chart rank Ā· Devices Ā· Requires iOS
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
| Parameter | Open Chat Inference | SayFlow |
|---|---|---|
| Price | Free | Free |
| Update frequency | ā | Every 10 days |
| Ads | No | No |
| In-app purchases | No | No |
| Devices | iPhone, iPod ā better | iPhone |
| Requires iOS | 14.0 ā better | 26.0 |
| Further details ā not scored | ||
| Size | 14 MB | 55 MB |
| Age rating | 17+ | 12+ |
| Developer | Weiss Solutions LLC | DONGHWAN CHOI |
In-app purchases
Open Chat Inference
No in-app purchases
SayFlow
No in-app purchases








