Local Brain vs OThree AI
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Local Brain
This app allows you to run powerful AI language models directly on your device, ensuring complete privacy and offline functionality. Select from various models and manage multiple conversations simultaneously for a personalized AI experience.
- Run AI models locally
- Full offline capability
- Choose from multiple models
- Create multiple chat contexts
- Privacy-focused AI
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Run Large Language Models locally on your device with full offline capability. You can choose from multiple available models and create multiple chat contexts using different models. The power of AI in your pocket without hurting your privacy.
OThree AI
This AI chat application provides instant answers and assistance using advanced language models. It offers both offline and cloud-based access, prioritizing user privacy with a zero-data-storage policy. Enjoy seamless compatibility across Apple devices for a convenient AI experience.
- Offline Large Language Model
- Ultra-fast Cloud LLM
- Zero-data storage privacy
- Universal Apple device compatibility
- Quick answers and brainstorming
- Drafting emails and documents
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Meet OThree AI, the AI chat app that's ready to assist you anytime, anywhere. Experience the power of cutting-edge language models right at your fingertips, completely free and with unwavering privacy. Key Features: Offline Access: No internet? No problem! OThree AI includes a local Large Language Model that works even when you're offline. Perfect for emergencies, travel, or simply when you want to stay private. Get helpful responses and information, regardless of your connection, completely free! Ultra-Fast Cloud LLM: When speed and up-to-date knowledge are crucial, OThree AI's cloud-based LLM delivers lightning-fast, intelligent responses. Stay informed with the latest information and enjoy dynamic, engaging conversations. Privacy First: Your privacy is our top priority. OThree AI is designed with a zero-data-storage policy. We never store your conversations. Chat with confidence, knowing your data remains yours. Universal Compatibility: OThree AI works seamlessly across your Apple devices. Use it on your iPhone, iPad, Mac, and even your Apple Vision Pro. OThree AI is perfect for: • Getting quick answers to your questions (offline & free with Local LLM) • Brainstorming ideas and creative writing • Drafting emails and documents • Learning new things and exploring different topics • Having engaging and informative conversations Download OThree AI today and unlock the potential of AI, with privacy and convenience at its core! Start for free with our Local LLM! Terms of Use: https://othreeai.com/eula Privacy Policy: https://othreeai.com/privacy
Screenshots
Verdict
The clearest difference is in-app purchases: Local Brain at none against OThree AI's 1. Local Brain also leads on review sentiment (33% vs 0%). On price, update cadence, ads and device support 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. OThree AI sells 1 in-app purchase, starting at $14.99 per month. Local Brain asks for nothing beyond the download.
Local Brain ships an update every 10 days, OThree AI every 9 days. The most recent releases landed on October 24, 2026 and October 18, 2026 respectively.
| Parameter | Local Brain | OThree AI |
|---|---|---|
| Price | Free | Free |
| Rating | 1.9 (7 ratings) — better | — |
| Positive reviews | 33.3% of reviews — better | 0.0% of reviews |
| Number of ratings | 7 — better | — |
| Update frequency | Every 10 days | Every 9 days — better |
| Ads | No | No |
| In-app purchases | No — better | Yes |
| Monetization | Free — better | Freemium |
| Devices | iPhone, iPad | iPhone, iPad, Mac — better |
| Requires iOS | 17.0 — better | 18.0 |
| Further details — not scored | ||
| Size | 8 MB | 1.7 GB |
| Age rating | 4+ | 17+ |
| Developer | Michal Jach | Seven Delta Seven LLC |
Customer experience
Local Brain
OThree AI
In-app purchases
Local Brain
No in-app purchases
OThree AI
- OThree Premium7 Days trial$14.991 Month









