# Appmost Design vs Engineering AI

The clearest difference is price: Appmost Design at Free against Engineering AI's $3.99. Appmost Design also leads on ratings volume (22 vs 1) and iOS requirement (18 vs 26.0). Engineering AI's advantage is rating (5.0 vs 4.0). On update cadence, ads, in-app purchases and device support there is nothing between them.

Appmost Design is free to download; Engineering AI costs $3.99 up front. Appmost Design sells 10 in-app purchases, starting at $5.49 per 7 days and Engineering AI sells 3 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.

Engineering AI holds the better App Store score, 5.0 against 4.0. That said, the two scores are not equally well evidenced: Appmost Design has 22 ratings behind it against 1, so its average is the more settled of the two.

Appmost Design ships an update every 10 days, Engineering AI every 9 days. The most recent releases landed on November 12, 2026 and November 4, 2026 respectively.

## The numbers

| Metric | Appmost Design | Engineering AI |
| --- | --- | --- |
| Price | **Free** | $3.99 |
| Rating | [4.0 (22 ratings)](https://appshunter.io/ios/app/appmost-design-ai-prototyping/id6466276098/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/engineering-ai/id6473126060/reviews)** |
| Number of ratings | **22** | 1 |
| Positive reviews | 38.5% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 10 days | **Every 9 days** |
| Monetization | **Freemium** | Paid |
| Size | 206 MB | 31 MB |
| Requires iOS | **18** | 26.0 |
| Devices | **iPhone, iPad, Mac** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Appmost AB](https://appshunter.io/developer/1656662512) | [Pretiosa Coins](https://appshunter.io/developer/1576468483) |

## What reviewers say

### Appmost Design

[App page](https://appshunter.io/ios/app/appmost-design-ai-prototyping/id6466276098)

This AI-powered tool simplifies app mockup creation for designers of all levels. Generate designs, content, and color palettes instantly. Customize templates, preview in multiple modes, and export high-quality PNGs.

**Highlights:** AI-generated designs, content, and color palettes, Customizable templates with light/dark mode preview, Native iOS 26 Liquid Glass look and feel, In-editor chat for content generation and web inspiration, Quick export to PNG for all mobile devices, Extensive icon and stock photo library, Seamless iCloud sync and collaboration

**Features:** Family Sharing, Vision Pro support, iPhone Duo support

**In-app purchases (10)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Ai Starter Weekly | $5.49 | per 7 days |
| Ai Starter Monthly | $6.99 | per month |
| Appmost Design Pro Monthly | $14.99 | per month |
| AI Plus Monthly | $19.99 | per month |
| AI Max Monthly | $34.95 | per month |
| Ai Starter Yearly | $59.90 | per year |
| AI Starter Yearly (Renewed weekly) | $59.99 | per year |
| Appmost Design Pro Yearly | $149.00 | per year |
| AI Plus Yearly | $149.99 | per year |
| AI Max Yearly | $239.99 | per year |


### Engineering AI

[App page](https://appshunter.io/ios/app/engineering-ai/id6473126060)

Generate professional engineering calculations in a certified PDF format. Obtain official documentation for your projects directly from your device.

**Highlights:** Certified PDF calculations, Professional Engineer certification, Project documentation, Instant access to calculations

**Features:** macOS Compatibility

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Load Report | $49.99 | one-time |
| Product Report - Single | $99.99 | one-time |
| Design Report | $249.99 | one-time |


## Frequently asked questions

### Is Appmost Design free?

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

### Is Engineering AI free?

Engineering AI costs $3.99, and also offers in-app purchases.

### Which has better reviews, Appmost Design or Engineering AI?

Engineering AI is rated higher. Appmost Design averages 4.0 out of 5 from 22 ratings, while Engineering AI averages 5.0 from 1 ratings.

### Do Appmost Design or Engineering AI have ads?

Neither Appmost Design nor Engineering AI shows ads.

### Which is updated more often, Appmost Design or Engineering AI?

Appmost Design ships an update every 10 days, and Engineering AI every 9 days. Most recently, Appmost Design was updated on November 12, 2026 and Engineering AI on November 4, 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.*