Zeus vs Eira
Price, ratings, monetisation and update history for both apps, side by side ā with what reviewers say about each.
Zeus
Read full descriptionHide full description
Zeus is a private AI workspace for iPhone, iPad and Mac. Start in a clean chat, choose Offline or Zeus Cloud, attach documents, run structured agent tasks and keep every answer tied to a clear privacy receipt. Offline mode is free and works without an account. Zeus Cloud AI is available with Zeus Pro when you choose online processing. Sign in with Apple is used for Pro access and optional sync. What you can do: ⢠Chat in a focused, modern interface ⢠Switch between Offline and Zeus Cloud ⢠Use local tools without an account ⢠Unlock hosted AI with Zeus Pro ⢠Keep chat history and workspaces organized ⢠Analyze PDFs, text and Markdown files ⢠Turn ideas into plans with agents ⢠Dictate prompts and listen to replies ⢠See where each response was processed ⢠Export summaries, prompts and reports Zeus is built for people who want powerful AI with clear control over privacy, cost and context. Local-first. Cloud when you choose it. Private by design. Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/
Eira
Read full descriptionHide full description
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 in-app purchases: Eira at none against Zeus's 4. On price, ads, device support and iOS requirement 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. Zeus sells 4 in-app purchases, starting at $2.99 per month. Eira asks for nothing beyond the download.
| Parameter | Zeus | Eira |
|---|---|---|
| Price | Free | Free |
| Update frequency | Monthly | ā |
| Ads | No | No |
| In-app purchases | Yes | No ā better |
| Devices | iPhone, iPad ā better | iPhone |
| Requires iOS | 26.5 | 26.0 ā better |
| Further details ā not scored | ||
| Size | 9 MB | 1 MB |
| Age rating | 17+ | 12+ |
| Developer | Enrique Ivars | Dulio Denis |
In-app purchases
Zeus
- Zeus Pro Monthly$2.991 Month
- Zeus Pro Max Monthly$14.991 Month
- Zeus Pro Yearly$29.991 Year
Show 1 moreShow fewer
- Zeus Pro Max Yearly$149.991 Year
Eira
No in-app purchases









