# Idle Factory vs HackStack

The clearest difference is in-app purchases: Idle Factory at none against HackStack's 4. Idle Factory also leads on iOS requirement (15.0 vs 17.6). On price, update cadence, ads and device support there is nothing between them.

Both are free to download. HackStack sells 4 one-off in-app purchases. Idle Factory asks for nothing beyond the download.

Idle Factory ships an update every 8 days, HackStack weekly. Both last shipped on October 28, 2026.

## The numbers

| Metric | Idle Factory | HackStack |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (2 ratings)](https://appshunter.io/ios/app/idle-factory-tycoon-simulator/id6756633854/reviews)** | — |
| Number of ratings | **2** | — |
| In-app purchases | **No** | Yes |
| Ads | Yes | Yes |
| Update frequency | Every 8 days | **Weekly** |
| Monetization | Ad-supported | — |
| Size | 317 MB | 68 MB |
| Requires iOS | **15.0** | 17.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Gianluca De Mare](https://appshunter.io/developer/1585662815) | [Jacob Woodfield](https://appshunter.io/developer/1889214907) |

## What reviewers say

### Idle Factory

[App page](https://appshunter.io/ios/app/idle-factory-tycoon-simulator/id6756633854)

Build an automated industrial empire from a simple conveyor belt to a massive production powerhouse. Optimize lines, upgrade machinery, and hire managers to earn cash even while offline. Become the richest factory tycoon by engineering a masterpiece of profit.

**Highlights:** Idle factory simulation, Automate workflow for idle income, Hire managers for automation, Endless upgrades and machinery, Offline play supported, Optimize production lines

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

**In-app purchases:** none


### HackStack

[App page](https://appshunter.io/ios/app/hackstack/id6761376937)

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

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Remove Banner Ads | $2.99 | one-time |
| Remove Offline Ads | $2.99 | one-time |
| Remove Ops Ads | $2.99 | one-time |
| Remove All Ads | $6.99 | one-time |


## Frequently asked questions

### Is Idle Factory free?

Idle Factory is free to download, with no in-app purchases.

### Is HackStack free?

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

### Do Idle Factory or HackStack have ads?

Both Idle Factory and HackStack show ads.

### Which is updated more often, Idle Factory or HackStack?

Idle Factory ships an update every 8 days, and HackStack weekly. Most recently, Idle Factory was updated on October 28, 2026 and HackStack on October 28, 2026.

---

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