# Synap.ing vs Cortis

The clearest difference is rating: Synap.ing at 5.0 against Cortis's 1.0. Synap.ing also leads on update cadence (every 2 days vs weekly). Cortis's advantage is iOS requirement (16.0 vs 26.0). On price, ratings volume, ads and in-app purchases there is nothing between them.

Both are free to download. Synap.ing sells 2 in-app purchases, starting at $19.99 per month and Cortis sells 6 in-app purchases, starting at $2.99 per month. Whichever you choose, the download price is not the number that matters.

Synap.ing holds the better App Store score, 5.0 against 1.0. Both are backed by a comparable volume of ratings — 2 and 1 respectively.

Synap.ing ships an update every 2 days, Cortis weekly. The most recent releases landed on November 5, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | Synap.ing | Cortis |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (2 ratings)](https://appshunter.io/ios/app/synaping/id6758920666/reviews)** | [1.0 (1 ratings)](https://appshunter.io/ios/app/cortis-on-device-ai-chat/id6760265080/reviews) |
| Number of ratings | **2** | 1 |
| Positive reviews | — | 0.0% of reviews |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Every 2 days** | Weekly |
| Monetization | Freemium | Free with in-app purchases |
| Size | 177 MB | 79 MB |
| Requires iOS | 26.0 | **16.0** |
| Devices | **iPhone, iPad, Apple Watch** | iPhone, iPad |
| Age rating | 4+ | 12+ |
| Developer | [Robb Dixon](https://appshunter.io/developer/1869998373) | [Batuhan Ayhan](https://appshunter.io/developer/1880809979) |

## What reviewers say

### Synap.ing

[App page](https://appshunter.io/ios/app/synaping/id6758920666)

Organize your thoughts, decisions, and patterns into a dynamic knowledge graph. Search by meaning, visualize connections in 3D, and gain insights with AI. Capture information seamlessly from any app or device.

**Highlights:** Living knowledge graph, AI chat with multiple models, 3D interactive knowledge visualization, Semantic search by meaning, AI blind spot detection, Cognitive archetype discovery, Home screen widgets

**Features:** Apple Watch app, Vision Pro support

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Synap Pro Monthly | $19.99 | per month |
| Synap Pro Yearly | $199.99 | per year |


### Cortis

[App page](https://appshunter.io/ios/app/cortis-on-device-ai-chat/id6760265080)

This app provides an on-device AI chatbot that functions entirely offline, requiring no internet connection or account. It integrates with Siri and Shortcuts for hands-free use and automations, and can analyze images locally. The free version offers extensive features, with an optional Pro upgrade for more models and advanced capabilities.

**Highlights:** On-device AI processing, Offline functionality, Siri integration, Shortcuts automation, Image analysis, Multiple AI models, No ads or tracking

**Features:** macOS Compatibility, Family Sharing, Vision Pro support

**In-app purchases (6)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Cortis Pro Monthly | $2.99 | per month |
| Cortis Pro Weekly | $4.99 | per 7 days |
| Cortis Pro Annual | $9.99 | per year |
| Cortis Pro Annual | $29.99 | per year |
| Cortis Pro | $14.99 | one-time |
| Cortis Pro Lifetime | $49.99 | one-time |


## Frequently asked questions

### Is Synap.ing free?

Synap.ing is free to download, with in-app purchases available.

### Is Cortis free?

Cortis is free to download, with in-app purchases available.

### Which has better reviews, Synap.ing or Cortis?

Synap.ing is rated higher. Synap.ing averages 5.0 out of 5 from 2 ratings, while Cortis averages 1.0 from 1 ratings.

### Do Synap.ing or Cortis have ads?

Neither Synap.ing nor Cortis shows ads.

### Which is updated more often, Synap.ing or Cortis?

Synap.ing ships an update every 2 days, and Cortis weekly. Most recently, Synap.ing was updated on November 5, 2026 and Cortis on October 31, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*