Open Chat Inference vs Eira
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/
Eira
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Eira is a private AI assistant that lives entirely on your device. Unlike cloud chatbots, Eira runs on-device language models. Your questions are answered right on your device. Nothing you type is ever sent to a server, and Eira works even with no internet connection at all. YOUR CONVERSATIONS BELONG TO YOU ⢠No account, no sign-up, no API keys ⢠No cloud processing: all inference happens on device ⢠No analytics, no tracking, no ads ⢠Works fully offline A CHAT EXPERIENCE THAT FEELS NATIVE ⢠Opens straight into your last conversation ⢠Streaming responses you can stop mid-answer ⢠Unlimited conversations with search across every message ⢠Pin your favorites and rename chats to stay organized ⢠Copy any answer or export whole conversations as Markdown MAKE IT YOURS ⢠Light and dark themes in a warm, focused palette ⢠Three accent colors: Royal Gold, Razzmatazz, and Cobalt Blue PRIVATE BY DESIGN Eira stores your conversations only on your device. There is no Eira server, and the app makes no network connections. When we say your conversations belong to you, it's not a slogan ā it's the architecture. REQUIREMENTS Eira needs an iPhone that supports Apple Intelligence with Apple Intelligence turned on in Settings, running iOS 26 or later. Your conversations belong to you.
Screenshots
Verdict
The clearest difference is iOS requirement: Open Chat Inference at 14.0 against Eira'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 | Eira |
|---|---|---|
| Price | Free | Free |
| 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 | 1 MB |
| Age rating | 17+ | 12+ |
| Developer | Weiss Solutions LLC | Dulio Denis |
In-app purchases
Open Chat Inference
No in-app purchases
Eira
No in-app purchases









