Localyze.ai wins on privacy and offline
Runs on-device with no Google account, no telemetry, no training on your prompts, and full airplane-mode support after a single model download.
Comparison
Localyze.ai vs Gemini
Gemini is deeply tied to Google Workspace and Google's servers. Localyze.ai runs the same Gemma model family directly on your own device — no Google account, no cloud upload, and no network signal needed after setup.
Quick verdict
Three sentences.
The short version, before the table. Gemini is the more integrated Google product; Localyze.ai is the more private one and the only one that keeps working when you lose signal or leave the Workspace ecosystem.
Gemini wins on Google integration
Native ties to Gmail, Docs, Drive, and Calendar plus real-time Google search grounding for fresh facts and citations.
Who should switch
Journalists, researchers, and privacy-focused Google users who want Gemma-quality answers without handing every prompt to Google.
Feature by feature
The full breakdown.
Honest where Gemini wins. Honest where it doesn't. The columns are ordered by how often each row actually matters in daily use.
| Localyze.ai | Gemini | |
|---|---|---|
| Runs entirely on-device | Yes | No |
| Works fully offline | Yes | No |
| Account required | No | Google account |
| Data sent to vendor servers | None | All prompts |
| Training on your chats | Never | Used by default |
| Pricing | $89 once · no subscription | Subscription with model and request caps |
| Mobile native app | Android (Kotlin) | Android / iOS |
| Desktop native app | WinUI / SwiftUI / Qt6 | Web only |
| Model used | Gemma 3n E4B (open) | Gemini 2.x (closed) |
| Open weights | Yes | No |
| Voice input privacy | Transcribed locally | Uploaded to cloud |
| Image input privacy | Read locally | Uploaded to cloud |
| Chat history location | Your device only | Google servers |
| Telemetry / analytics SDKs | None | Yes |
| Custom system prompts | Yes | Gems |
| Workspace integration | No | Yes (Docs, Gmail) |
| Real-time Google search | No | Yes |
Where Gemini genuinely wins
The honest part.
Gemini is the right tool when your work already lives inside Google. A local model cannot read your Drive, pull live search results, or summarise your inbox, and we are not going to pretend otherwise.
- Deep Workspace integration across Gmail, Docs, Sheets, and Drive.
- Real-time Google search grounding for fresh facts and citations.
- Gemini 2.x multimodal capability at the frontier scale.
- Tight Android assistant hooks and Pixel device features.
Localyze.ai is for everything else — sensitive notes, confidential drafts, fieldwork without coverage, and anyone who would rather not hand Google another continuous stream of prompts and images.
FAQ
Is Localyze.ai a Gemini replacement?
For private chat, voice questions, image questions, and notes — yes, it covers the same daily ground. For Workspace integration and live Google search, Gemini is still ahead.
Does Localyze.ai run a Google model?
Yes — Google's open Gemma 3n E4B, the same open-weights family Google publishes for the community. The difference is that it runs on your device, not in Google's data centre.
Will my chats be used by Google?
Not with Localyze.ai. Nothing ever leaves your device, so Google, Localyze, and any third party never see your prompts or your responses.
Does Localyze.ai work offline?
Yes. After the one-time ~4 GB model download, Localyze.ai works in airplane mode on planes, trains, and remote sites. Gemini needs a constant connection to Google's servers.