# Eidica vs Engichat

The clearest difference is device support: Engichat at 3 against Eidica's 1. Engichat also leads on iOS requirement (15.1 vs 18.6). On price, update cadence, ads and in-app purchases there is nothing between them.

Both are free to download. Eidica sells 3 in-app purchases, starting at $2.99 per month and Engichat sells 3 in-app purchases, starting at $7.99 per month. Whichever you choose, the download price is not the number that matters.

Eidica ships an update every 10 days, Engichat every 9 days. The most recent releases landed on September 10, 2026 and September 4, 2026 respectively.

## The numbers

| Metric | Eidica | Engichat |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[1.0 (1 ratings)](https://appshunter.io/ios/app/engichat-your-ai-engineer/id6763093657/reviews)** |
| Number of ratings | — | **1** |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 10 days | **Every 9 days** |
| Monetization | — | Freemium |
| Size | 121 MB | 63 MB |
| Requires iOS | 18.6 | **15.1** |
| Devices | iPhone | **iPhone, iPad, iPod** |
| Age rating | 4+ | 17+ |
| Developer | [Behcet Samet Baydar](https://appshunter.io/developer/1846306701) | [Securestack Technologies Inc.](https://appshunter.io/developer/1895159765) |

## What reviewers say

### Eidica

[App page](https://appshunter.io/ios/app/eidica-visual-notes/id6754018702)

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| All Access | $2.99 | per month |
| All Access | $19.99 | per year |
| Full Access (Lifetime) | $29.99 | one-time |


### Engichat

[App page](https://appshunter.io/ios/app/engichat-your-ai-engineer/id6763093657)

This AI assistant streamlines engineering tasks by providing instant calculations, code compliance checks, and CAD automation. It offers material recommendations and integrates with Google Workspace for seamless collaboration and reporting.

**Highlights:** Instant structural calculations, Code compliance verification, CAD automation with AutoLISP, AI-powered material selection, Google Workspace integration, Multi-agent system for specialized tasks, Team collaboration features

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Starter Plan | $7.99 | per month |
| Pro Plan | $19.99 | per month |
| Premium Plan | $49.99 | per month |


## Frequently asked questions

### Is Eidica free?

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

### Is Engichat free?

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

### Do Eidica or Engichat have ads?

Neither Eidica nor Engichat shows ads.

### Which is updated more often, Eidica or Engichat?

Eidica ships an update every 10 days, and Engichat every 9 days. Most recently, Eidica was updated on September 10, 2026 and Engichat on September 4, 2026.

---

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