Comparison

Local Brain vs Ai2 OLMoE

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

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.

Highlights
  • On-device AI model exploration
  • Prototype AI experiences locally
  • Open-source codebase
  • No cloud connectivity required
  • Fully private interactions
  • Shareable conversation output
Read full description

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

Screenshots

Local Brain2 screens
Ai2 OLMoE4 screens

Verdict

The call

The clearest difference is review sentiment: Ai2 OLMoE at 78% against Local Brain's 33%. Ai2 OLMoE also leads on rating (4.8 vs 1.9). Local Brain's advantage is update cadence (every 10 days vs every 2 months). On price, ratings volume, ads and in-app purchases 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. Neither carries in-app purchases, so what you see is what you pay.

ReceptionRating · Positive reviews · Number of ratings

Ai2 OLMoE holds the better App Store score, 4.8 against 1.9. Both are backed by a comparable volume of ratings — 7 and 17 respectively. Written reviews point the same way: 33% of Local Brain's written reviews are positive against 78% of Ai2 OLMoE's.

UpkeepUpdate frequency

Local Brain ships an update every 10 days, Ai2 OLMoE every 2 months. The most recent releases landed on October 24, 2026 and October 23, 2026 respectively.

Scorecard3 real differences · 7 level
Local Brain versus Ai2 OLMoE: the parameters behind the verdict, then further details
ParameterLocal BrainAi2 OLMoE
PriceFreeFree
Rating1.9 (7 ratings)4.8 (17 ratings) — better
Positive reviews33.3% of reviews77.8% of reviews — better
Number of ratings717 — better
Update frequencyEvery 10 days — betterEvery 2 months
AdsNoNo
In-app purchasesNoNo
MonetizationFreeFree
DevicesiPhone, iPadiPhone, iPad, Mac — better
Requires iOS17.0 — better17.5
Further details — not scored
Size8 MB7 MB
Age rating4+17+
DeveloperMichal JachTHE ALLEN INSTITUTE FOR ARTIFICIAL INTELLIGENCE

Customer experience

Local Brain

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

Ai2 OLMoE

All ratings15 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews9 reviews
Positive77.8%
Neutral11.1%
Negative11.1%

In-app purchases

None

Local Brain

No in-app purchases

None

Ai2 OLMoE

No in-app purchases

Questions

Is Local Brain free?
Local Brain is free to download, with no in-app purchases.
Is Ai2 OLMoE free?
Ai2 OLMoE is free to download, with no in-app purchases.
Which has better reviews, Local Brain or Ai2 OLMoE?
Ai2 OLMoE is rated higher. Local Brain averages 1.9 out of 5 from 7 ratings, while Ai2 OLMoE averages 4.8 from 17 ratings.
Do Local Brain or Ai2 OLMoE have ads?
Neither Local Brain nor Ai2 OLMoE shows ads.
Which is updated more often, Local Brain or Ai2 OLMoE?
Local Brain ships an update every 10 days, and Ai2 OLMoE every 2 months. Most recently, Local Brain was updated on October 24, 2026 and Ai2 OLMoE on October 23, 2026.

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