# Idle Car Factory Tycoon vs Supernova

The clearest difference is ads: Supernova at none against Idle Car Factory Tycoon's shown. Supernova also leads on update cadence (every 2 days vs weekly) and ratings volume (80 vs 5). Idle Car Factory Tycoon's advantage is iOS requirement (13.0 vs 17.0). On price, rating, in-app purchases and monetization model there is nothing between them.

Both are free to download. Idle Car Factory Tycoon sells 10 one-off in-app purchases and Supernova sells 10 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.

On the App Store both sit at effectively the same score — 4.6 for Idle Car Factory Tycoon against 4.5 for Supernova. That said, the two scores are not equally well evidenced: Supernova has 80 ratings behind it against 5, so its average is the more settled of the two.

Idle Car Factory Tycoon ships an update weekly, Supernova every 2 days. The most recent releases landed on November 4, 2026 and November 5, 2026 respectively.

## The numbers

| Metric | Idle Car Factory Tycoon | Supernova |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.6 (5 ratings)](https://appshunter.io/ios/app/idle-car-factory-tycoon/id6479606591/reviews)** | [4.5 (80 ratings)](https://appshunter.io/ios/app/supernova-idle-star-forge/id6779555607/reviews) |
| Number of ratings | 5 | **80** |
| Positive reviews | — | 76.3% of reviews |
| In-app purchases | Yes | Yes |
| Ads | Yes | **No** |
| Update frequency | Weekly | **Every 2 days** |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 310 MB | 15 MB |
| Requires iOS | **13.0** | 17.0 |
| Devices | iPhone, iPad, iPod | **iPhone, iPad, Mac, Apple TV, Vision Pro** |
| Age rating | 4+ | 4+ |
| Developer | [Gavin Andrews](https://appshunter.io/developer/1712052171) | [HUGO ANATOLE PAUL MORICEAU](https://appshunter.io/developer/1845368412) |

## What reviewers say

### Idle Car Factory Tycoon

[App page](https://appshunter.io/ios/app/idle-car-factory-tycoon/id6479606591)

Build and customize a variety of cars on a dynamic conveyor belt. Manage your factory, automate production, and sell vehicles to grow your business empire. Enjoy idle gameplay where your factory produces cars even when you're offline.

**Highlights:** Build and customize diverse car models, Optimize and automate conveyor belt production, Expand your factory facilities, Sell cars for profit and reinvest, Idle gameplay with offline production, Complete missions and challenges

**Features:** macOS Compatibility

**In-app purchases (10)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Bundle Offer - Starter Offer | $2.99 | one-time |
| Bundle Offer - Conveyer 2 Pack | $2.99 | one-time |
| Bundle Offer - Conveyer 3 Pack | $3.99 | one-time |
| Bundle Offer - Conveyer 4 Pack | $5.99 | one-time |
| Bundle Offer - Conveyer 5 Pack | $7.99 | one-time |
| Bundle Offer - Booster Pack | $9.99 | one-time |
| Bundle Offer - Conveyer 6 Pack | $9.99 | one-time |
| Bundle Offer - Conveyer 7 Pack | $11.99 | one-time |
| Bundle Offer - Conveyer 8 Pack | $14.99 | one-time |
| Bundle Offer - Conveyer 9 Pack | $17.99 | one-time |


### Supernova

[App page](https://appshunter.io/ios/app/supernova-idle-star-forge/id6779555607)

An idle space tycoon game where you fuse hydrogen to grow and detonate stars. Earn permanent power-ups with each supernova to accelerate future runs. Features offline progress and a visually evolving star.

**Highlights:** Fuse hydrogen to create and grow stars, Offline progress and production, Visually evolving star stages, Prestige system with supernova cinematics, Deep multiplier stacking and research upgrades, Daily missions and streaks, Fully offline gameplay

**In-app purchases (10)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 50 Photons | $0.99 | one-time |
| Time Warp: 4 Hours | $1.99 | one-time |
| Break the Piggy Bank | $2.99 | one-time |
| Automation Core | $3.99 | one-time |
| Supporter Pack | $4.99 | one-time |
| Time Warp: 24 Hours | $4.99 | one-time |
| 300 Photons | $4.99 | one-time |
| 700 Photons | $9.99 | one-time |
| Time Warp: 7 Days | $14.99 | one-time |
| 1600 Photons | $19.99 | one-time |


## Frequently asked questions

### Is Idle Car Factory Tycoon free?

Idle Car Factory Tycoon is free to download, with in-app purchases available.

### Is Supernova free?

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

### Which has better reviews, Idle Car Factory Tycoon or Supernova?

Idle Car Factory Tycoon is rated higher. Idle Car Factory Tycoon averages 4.6 out of 5 from 5 ratings, while Supernova averages 4.5 from 80 ratings.

### Do Idle Car Factory Tycoon or Supernova have ads?

Idle Car Factory Tycoon shows ads; Supernova does not.

### Which is updated more often, Idle Car Factory Tycoon or Supernova?

Idle Car Factory Tycoon ships an update weekly, and Supernova every 2 days. Most recently, Idle Car Factory Tycoon was updated on November 4, 2026 and Supernova on November 5, 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.*