Comparison

Ghost Auth vs onLM

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

Head to head
About

Ghost Auth

Securely manage your two-factor authentication codes locally on your device. Encrypts all data with AES-256 and stores it in your OS keychain, ensuring no sensitive information is uploaded to external servers. Offers biometric unlock, PIN protection, and encrypted iCloud synchronization for added convenience and security.

Highlights
  • AES-256 encrypted local storage
  • Biometric and PIN unlock
  • Encrypted iCloud synchronization
  • TOTP code generation for any service
  • QR code scanning and manual entry
  • Import from other authenticator apps
  • Browser extension support
Features
Read full description

Ghost Auth keeps your one-time passwords on your device — encrypted with AES-256, stored in your OS keychain, never uploaded. No servers to trust. No sign-up. Just your codes. Security: - AES-256 encrypted local storage - PIN lock with recovery codes - Biometric unlock - Backup & restore with password protection - Encrypted synchronization with iCloud Features: - TOTP codes for any service (Google, GitHub, Discord, etc.) - QR code scanning and manual entry - Import from Google Authenticator and other apps - Device-to-device sync - Browser extension for Chrome and Firefox - 77 languages Privacy: - No account, no cloud, no tracking - Completely offline - Open-source

About

onLM

This app provides a private AI assistant that runs entirely on your device, offering chat, voice transcription, and image generation without needing an internet connection or cloud services. It supports various open-source language models and integrates with Apple Intelligence for a seamless, secure experience.

Highlights
  • Offline AI chat with open-source LLMs
  • On-device voice note transcription and summarization
  • Local image generation from text prompts
  • Integration with Apple Intelligence
  • Model selection based on device capabilities
  • Real-time response streaming
Features
Read full description

Chat with powerful language models, transcribe voice notes, and generate images — all running directly on your iPhone or iPad. No cloud. No servers. No accounts. Your data never leaves your device. onLM is a native iOS app that brings state-of-the-art AI to a fully offline workspace. Every message, recording, and image is processed locally using your device's hardware, giving you a genuinely private AI assistant that works without an internet connection and without a subscription. PRIVATE AI CHAT Chat with open-source LLMs that run entirely on your device. Conversations are stored only on your iPhone or iPad — no servers, no sign-up, no telemetry. Pick a model that fits your task and switch between them anytime. VOICE NOTES, TRANSCRIPTION & SUMMARIES Record audio, transcribe it to text, and summarize long recordings into key points — all processed on-device. Useful for meeting notes, interviews, lectures, or spoken ideas. Recordings are auto-titled based on content for easy browsing. ON-DEVICE IMAGE GENERATION On supported devices, generate images from text prompts without sending anything to a remote server. Write your prompt in any supported language and onLM translates it locally before generation. Your images stay in a private gallery on your device. CHOOSE FROM LEADING OPEN-SOURCE MODELS - Gemma 4 E2B & E4B — Google's edge models with native audio and vision support - Gemma 3 (4B, 12B) — strong multilingual capabilities from Google - Qwen 3.5 (2B, 4B, 9B) — excellent all-around performance - Llama 3 (3B, 8B) — reliable general-purpose models from Meta - Phi 4 Mini — optimized for math, logic, and code from Microsoft - Mistral 7B — versatile European-built model All downloadable models are 4-bit quantized and run efficiently on mobile hardware via Apple's MLX framework. APPLE INTELLIGENCE INTEGRATION On supported devices, onLM can use Apple Intelligence as a built-in chat model with zero setup — no download, instant responses. Switch between Apple Intelligence and open-source models at any time. BUILT FOR YOUR DEVICE onLM detects your iPhone or iPad's capabilities and recommends the best models for your hardware. Quality ratings help you balance speed and intelligence, and features that require more memory are only surfaced on devices that can handle them — so you never hit a wall unexpectedly. SEAMLESS EXPERIENCE - Real-time streaming — watch responses appear word by word - Background downloads — continue working while models load - Smart memory management — stable performance on mobile hardware - Conversation management — organize, search, and rename chats - Stop and resume generation anytime - Disk space checks before every download NO SUBSCRIPTIONS. NO ADS. NO TRACKING. Download a model once and use it as much as you want. There are no usage limits, no hidden costs, and no telemetry. onLM is a straightforward native app, not a wrapper around someone else's service. Whether you need a private AI chatbot, an offline voice transcriber for meetings and ideas, or an on-device image generator — onLM gives you the power of modern AI without compromising your privacy.

Screenshots

Ghost Auth4 screens
onLM4 screens

Verdict

The call

The clearest difference is update cadence: Ghost Auth at every 3 days against onLM's every 3 weeks. Ghost Auth also leads on rating (5.0 vs 4.6) and iOS requirement (14.0 vs 26.0). onLM's advantage is ratings volume (13 vs 1). On price, ads, in-app purchases and monetization model 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

Ghost Auth holds the better App Store score, 5.0 against 4.6. That said, the two scores are not equally well evidenced: onLM has 13 ratings behind it against 1, so its average is the more settled of the two.

UpkeepUpdate frequency

Ghost Auth ships an update every 3 days, onLM every 3 weeks. Both last shipped on October 31, 2026.

Scorecard4 real differences · 6 level
Ghost Auth versus onLM: the parameters behind the verdict, then further details
ParameterGhost AuthonLM
PriceFreeFree
Rating5.0 (1 ratings) — better4.6 (13 ratings)
Positive reviews—50.0% of reviews
Number of ratings113 — better
Update frequencyEvery 3 days — betterEvery 3 weeks
AdsNoNo
In-app purchasesNoNo
MonetizationFreeFree
DevicesiPhone, iPad, iPod — betteriPhone, iPad
Requires iOS14.0 — better26.0
Further details — not scored
Size11 MB43 MB
Age rating4+17+
DeveloperKestrel ASAlexander Kryukov

In-app purchases

None

Ghost Auth

No in-app purchases

None

onLM

No in-app purchases

Questions

Is Ghost Auth free?
Ghost Auth is free to download, with no in-app purchases.
Is onLM free?
onLM is free to download, with no in-app purchases.
Which has better reviews, Ghost Auth or onLM?
Ghost Auth is rated higher. Ghost Auth averages 5.0 out of 5 from 1 ratings, while onLM averages 4.6 from 13 ratings.
Do Ghost Auth or onLM have ads?
Neither Ghost Auth nor onLM shows ads.
Which is updated more often, Ghost Auth or onLM?
Ghost Auth ships an update every 3 days, and onLM every 3 weeks. Most recently, Ghost Auth was updated on October 31, 2026 and onLM on October 31, 2026.

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