# Assembly vs Modfest

The clearest difference is ads: Assembly at none against Modfest's shown. Assembly also leads on ratings volume (17 vs 4). On price, rating, update cadence and in-app purchases there is nothing between them.

Both are free to download. Assembly sells 4 in-app purchases, starting at $4.99 per month and Modfest sells 2 in-app purchases, starting at $2.99 per month. Whichever you choose, the download price is not the number that matters.

On the App Store both sit at effectively the same score — 4.9 for Assembly against 5.0 for Modfest. Both are backed by a comparable volume of ratings — 17 and 4 respectively.

Assembly ships an update every 2 weeks, Modfest fortnightly. Both last shipped on October 24, 2026.

## The numbers

| Metric | Assembly | Modfest |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.9 (17 ratings)](https://appshunter.io/ios/app/assembly-project-car-hub/id6761026958/reviews) | **[5.0 (4 ratings)](https://appshunter.io/ios/app/modfest/id6770381572/reviews)** |
| Number of ratings | **17** | 4 |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 2 weeks | **Fortnightly** |
| Monetization | Freemium | Freemium |
| Size | 102 MB | 62 MB |
| Requires iOS | 16.4 | **15.1** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 12+ |
| Developer | [Andrew Melian](https://appshunter.io/developer/1862527421) | [DAKOTA AARON LONG](https://appshunter.io/developer/1896572696) |

## What reviewers say

### Assembly

[App page](https://appshunter.io/ios/app/assembly-project-car-hub/id6761026958)

Organize and document all aspects of your project cars, from planning and parts tracking to maintenance history and file storage. Connect with other enthusiasts to share progress and learn from their experiences.

**Highlights:** Plan projects, Track parts and modifications, Centralize documentation, Store project files, Connect with enthusiasts, Organize maintenance

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

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Member (Monthly) | $4.99 | per month |
| Founder (Monthly) | $9.99 | per month |
| Member (Annual) | $49.99 | per year |
| Founder (Annual) | $99.99 | per year |


### Modfest

[App page](https://appshunter.io/ios/app/modfest/id6770381572)

Log your car modifications, plan future builds, and manage your parts inventory. Track your vehicle's history, share your projects with a community of enthusiasts, and even export your build details.

**Highlights:** Car garage and modification logging, Project planning with parts and costs, Parts inventory management, Social feed for sharing builds, Offline functionality, PDF export of build details

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Modfest Premium Monthly | $2.99 | per month |
| Modfest Premium Yearly | $19.99 | per year |


## Frequently asked questions

### Is Assembly free?

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

### Is Modfest free?

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

### Which has better reviews, Assembly or Modfest?

Modfest is rated higher. Assembly averages 4.9 out of 5 from 17 ratings, while Modfest averages 5.0 from 4 ratings.

### Do Assembly or Modfest have ads?

Modfest shows ads; Assembly does not.

### Which is updated more often, Assembly or Modfest?

Assembly ships an update every 2 weeks, and Modfest fortnightly. Most recently, Assembly was updated on October 24, 2026 and Modfest on October 24, 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.*