Ai2 OLMoE vs Eris.
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Ai2 OLMoE
Explore and improve on-device AI models with this open-source tool. It allows developers to prototype AI experiences locally without cloud connectivity, ensuring complete user privacy. Researchers can test and integrate models directly on their devices.
- On-device AI model exploration
- Prototype AI experiences locally
- Open-source codebase
- No cloud connectivity required
- Fully private interactions
- Shareable conversation output
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Our app is intended to help researchers better explore how to make on-device intelligence better and to enable developers to quickly prototype new AI experiences – all with no cloud connectivity required. The Ai2 OLMoE app can be used to: * Experience which real-world tasks state-of-the-art local models are capable of * Research how to improve small AI models * Test your own models locally using our open-source codebase * Integrate OLMoE into other iOS applications Best of all, interactions with OLMoE are fully private. Unless you decide to share a conversation, your conversations never leave your device. Features: * Efficiency: OLMoE is a highly efficient mixture-of-experts version of the Ai2 OLMo family of models * Performance: OLMoE is trained with the fully open, state-of-the-art Tülu 3 recipe * Privacy: The Ai2 OLMoE app provides privacy and security by operating completely on-device * Shareable: Easily share the output of your conversations with friends or colleagues * Truly open: The OLMoE model and the application code are fully open-source OLMoE is proudly offered by Ai2 as a powerful research tool to help the community better understand how LLMs are created and how they operate. When interacting with OMLoE, always use your best judgment, fact-check important information, and consider the context when interpreting content generated in this app. Open source code repository available at: https://github.com/allenai/OLMoE.swift Terms of service: https://allenai.org/terms/2024-09-25 Privacy policy: https://allenai.org/privacy-policy/2022-07-21
Eris.
Experience private AI conversations entirely on your device. This app offers offline access to multiple AI models, ensuring your data never leaves your iPhone or iPad. Enjoy fast, secure AI assistance without internet connectivity or subscriptions.
- 100% Private conversations
- No internet required
- Multiple AI models supported
- Optimized for Apple Silicon
- One-time download, use forever
- Dark Mode support
- Haptic feedback
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Eris brings the power of AI conversation to your iPhone and iPad while keeping your privacy intact. Unlike cloud-based AI assistants, Eris runs entirely on your device using Apple's cutting-edge MLX framework. KEY FEATURES: • 100% Private - All conversations stay on your device • No Internet Required - Chat with AI completely offline • Multiple AI Models - Choose from Llama, Qwen, DeepSeek, and more • Lightning Fast - Optimized for Apple Silicon performance • No Subscriptions - One-time download, use forever • Dark Mode Support - Easy on your eyes • Haptic Feedback - Tactile responses for better interaction SUPPORTED MODELS: • Llama 3.2 (1B, 3B) - Meta's efficient language models • Qwen 2.5 Series - Multilingual capabilities • DeepSeek R1 - Advanced reasoning • Gemma 2, Phi 3.5, Mistral - Various specialized models • Code Models - For programming assistance PRIVACY FIRST: Your conversations never leave your device. No cloud servers, no data collection, no tracking. What you say to Eris stays with Eris. REQUIREMENTS: • iPhone XS/XR or newer (A12 chip required) • iOS 17.6 or later • 2-8GB storage per model Perfect for users who want AI assistance without compromising privacy. Whether you're brainstorming ideas, getting help with code, or just having a conversation, Eris is your private AI companion. Note: First launch includes a one-time model download. Models are stored locally for offline use.
Screenshots
Verdict
The clearest difference is rating: Ai2 OLMoE at 4.9 against Eris.'s 4.3. Eris.'s advantage is update cadence (every 2 weeks vs every 2 months). On price, review sentiment, 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. Neither carries in-app purchases, so what you see is what you pay.
Ai2 OLMoE holds the better App Store score, 4.9 against 4.3. Both are backed by a comparable volume of ratings — 15 and 6 respectively. Written reviews complicate that: 78% of Ai2 OLMoE's written reviews are positive against 80% of Eris.'s, so the app with the better star average is not the one people write more warmly about.
Ai2 OLMoE ships an update every 2 months, Eris. every 2 weeks. The most recent releases landed on July 6, 2026 and July 4, 2026 respectively.
| Parameter | Ai2 OLMoE | Eris. |
|---|---|---|
| Price | Free | Free |
| Rating | 4.9 (15 ratings) — better | 4.3 (6 ratings) |
| Positive reviews | 77.8% of reviews | 80.0% of reviews — better |
| Number of ratings | 15 — better | 6 |
| Update frequency | Every 2 months | Every 2 weeks — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone, iPad, Mac — better | iPhone, iPad |
| Requires iOS | 17.5 — better | 17.6 |
| Further details — not scored | ||
| Size | 7 MB | 34 MB |
| Age rating | 17+ | 4+ |
| Developer | THE ALLEN INSTITUTE FOR ARTIFICIAL INTELLIGENCE | Ignacio Palacio |
Customer experience
Ai2 OLMoE
Eris.
In-app purchases
Ai2 OLMoE
No in-app purchases
Eris.
No in-app purchases









