Comparison

Cortex vs TensorChat

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

Head to head
About

Cortex

Read full description

Cortex reads your images, documents, and text — entirely on your device. No cloud. No account. No data sent anywhere. After a one-time model download, it works with no internet connection at all. Built for professionals who can't hand their confidential work to a cloud service, Cortex gives you the full power of a modern AI without the data exposure. No terms of service that claim rights to your inputs. No server logs. No risk of a breach leaking your client's name. Key features: - Voice mode — speak naturally, get spoken replies. Fully on-device, nothing stored - Audio & video input — attach media files and ask questions about them - Image & document input — analyse photos, contracts, receipts, prescriptions and more - Fully offline after model download — works on a plane, in a courthouse, anywhere - Zero data collection — nothing is ever transmitted or stored outside your device - 43 supported languages — switch freely between languages in any conversation - One-time purchase — no monthly subscription, no usage limits after going Pro - Free tier included — 25 messages per day at no cost, upgrade whenever you're ready - GDPR-friendly — no data transfers to US servers or third parties Cortex runs a powerful on-device language model entirely on your hardware, giving you conversational AI that's fast and capable without any cloud dependency. Download free and try it today. Upgrade once — use it forever.

About

TensorChat

This app offers a privacy-focused AI chat experience by allowing you to download and run models directly on your device. Enjoy offline access, manage multiple conversations, and utilize voice and image inputs for a personalized AI interaction.

Highlights
  • On-device AI by default
  • Download and manage AI models
  • Offline chat functionality
  • Multiple chat threads
  • Voice input and text-to-speech
  • Image understanding
Features
Read full description

TensorChat is a privacy-first AI chat app built for people who want AI that stays in their hands. Download models to your device, chat locally, and keep going even when you’re offline. Choose the model that fits your needs, start multiple conversations, and switch between threads anytime. Responses stream live for a fast, natural chat experience, and your chat history stays available on your device. Use text, voice, and images in one app. Supported models can understand image inputs, voice tools let you speak naturally, and text-to-speech helps you listen to responses hands-free. TensorChat is designed for local-first AI: • On-device AI by default • Download and manage models in the app • Offline chat after setup • Multiple chat threads with saved history • Voice input and text-to-speech • Image understanding with supported models If you want a private, flexible AI assistant without depending on the cloud by default, TensorChat gives you a more personal way to chat.

Screenshots

Cortex4 screens
TensorChat4 screens

Verdict

The call

The clearest difference is in-app purchases: TensorChat at none against Cortex's 1. TensorChat also leads on update cadence (daily vs every 4 months). On price, ads, device support and iOS requirement 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. Cortex sells 1 one-off in-app purchase. TensorChat asks for nothing beyond the download.

UpkeepUpdate frequency

Cortex ships an update every 4 months, TensorChat daily. The most recent releases landed on October 2, 2026 and October 11, 2026 respectively.

Scorecard2 real differences · 7 level
Cortex versus TensorChat: the parameters behind the verdict, then further details
ParameterCortexTensorChat
PriceFreeFree
Rating—1.0 (1 ratings) — better
Number of ratings—1 — better
Update frequencyEvery 4 monthsDaily — better
AdsNoNo
In-app purchasesYesNo — better
Monetization—Free
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS15.1 — better15.5
Further details — not scored
Size84 MB110 MB
Age rating4+12+
DeveloperIppocode Technologies LLPGeneral Intelligence Technologies Inc.

In-app purchases

1 purchases

Cortex

One-time1
  • Cortex Pro$19.99
None

TensorChat

No in-app purchases

Questions

Is Cortex free?
Cortex is free to download, with in-app purchases available.
Is TensorChat free?
TensorChat is free to download, with no in-app purchases.
Do Cortex or TensorChat have ads?
Neither Cortex nor TensorChat shows ads.
Which is updated more often, Cortex or TensorChat?
Cortex ships an update every 4 months, and TensorChat daily. Most recently, Cortex was updated on October 2, 2026 and TensorChat on October 11, 2026.

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