Comparison

Local Brain vs OThree AI

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

Head to head
About

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.

Highlights
  • Run AI models locally
  • Full offline capability
  • Choose from multiple models
  • Create multiple chat contexts
  • Privacy-focused AI
Features
Read full description

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.

About

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.

Highlights
  • Offline Large Language Model
  • Ultra-fast Cloud LLM
  • Zero-data storage privacy
  • Universal Apple device compatibility
  • Quick answers and brainstorming
  • Drafting emails and documents
Read full description

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

Local Brain2 screens
OThree AI3 screens

Verdict

The call

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

CostPrice · In-app purchases · Ads · Monetization

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.

UpkeepUpdate frequency

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.

Scorecard3 real differences · 7 level
Local Brain versus OThree AI: the parameters behind the verdict, then further details
ParameterLocal BrainOThree AI
PriceFreeFree
Rating1.9 (7 ratings) — better—
Positive reviews33.3% of reviews — better0.0% of reviews
Number of ratings7 — better—
Update frequencyEvery 10 daysEvery 9 days — better
AdsNoNo
In-app purchasesNo — betterYes
MonetizationFree — betterFreemium
DevicesiPhone, iPadiPhone, iPad, Mac — better
Requires iOS17.0 — better18.0
Further details — not scored
Size8 MB1.7 GB
Age rating4+17+
DeveloperMichal JachSeven Delta Seven LLC

Customer experience

Local Brain

All ratings6 ratings
Positive0.0%
Neutral16.7%
Negative83.3%
Written reviews24 reviews
Positive33.3%
Neutral4.2%
Negative62.5%

OThree AI

Written reviews1 reviews
Positive0.0%
Neutral0.0%
Negative100.0%

In-app purchases

None

Local Brain

No in-app purchases

1 purchases

OThree AI

Subscriptions1
  • OThree Premium7 Days trial$14.991 Month

Questions

Is Local Brain free?
Local Brain is free to download, with no in-app purchases.
Is OThree AI free?
OThree AI is free to download, with in-app purchases available.
Do Local Brain or OThree AI have ads?
Neither Local Brain nor OThree AI shows ads.
Which is updated more often, Local Brain or OThree AI?
Local Brain ships an update every 10 days, and OThree AI every 9 days. Most recently, Local Brain was updated on October 24, 2026 and OThree AI on October 18, 2026.

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