Comparison

Open Chat Inference vs SayFlow

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

Open Chat Inference

Features
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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/

About

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

Open Chat Inference3 screens
SayFlow4 screens

Verdict

The call

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

CostPrice Ā· In-app purchases Ā· Ads Ā· Monetization

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Scorecard1 real difference Ā· 5 level
Open Chat Inference versus SayFlow: the parameters behind the verdict, then further details
ParameterOpen Chat InferenceSayFlow
PriceFreeFree
Update frequency—Every 10 days
AdsNoNo
In-app purchasesNoNo
DevicesiPhone, iPod — betteriPhone
Requires iOS14.0 — better26.0
Further details — not scored
Size14 MB55 MB
Age rating17+12+
DeveloperWeiss Solutions LLCDONGHWAN CHOI

In-app purchases

None

Open Chat Inference

No in-app purchases

None

SayFlow

No in-app purchases

Questions

Is Open Chat Inference free?
Open Chat Inference is free to download, with no in-app purchases.
Is SayFlow free?
SayFlow is free to download, with no in-app purchases.
Do Open Chat Inference or SayFlow have ads?
Neither Open Chat Inference nor SayFlow shows ads.

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