# Big Factory! vs GrassFactory

The clearest difference is ads: GrassFactory at none against Big Factory!'s shown. GrassFactory also leads on update cadence (daily vs weekly) and iOS requirement (13.0 vs 15.0). On price, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Big Factory! ships an update weekly, GrassFactory daily. The most recent releases landed on October 24, 2026 and October 15, 2026 respectively.

## The numbers

| Metric | Big Factory! | GrassFactory |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.4 (1.2K ratings)](https://appshunter.io/ios/app/big-factory/id1543569407/reviews)** | — |
| Number of ratings | **1.2K** | — |
| Positive reviews | 11.6% of reviews | — |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | Weekly | **Daily** |
| Monetization | Ad-supported | — |
| Size | 111 MB | 54 MB |
| Requires iOS | 15.0 | **13.0** |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Kerim Memnun](https://appshunter.io/developer/1584127181) | [丙恒 何](https://appshunter.io/developer/1895200204) |

## What reviewers say

### Big Factory!

[App page](https://appshunter.io/ios/app/big-factory/id1543569407)

Build and manage your own factory, constructing new machines to produce various goods. Upgrade your equipment to increase production speed and generate revenue. Experience the fun of factory simulation.

**Highlights:** Run a factory, Build new machines, Produce different goods, Upgrade machines, Increase production speed, Generate cash flow

**Features:** macOS Compatibility

**In-app purchases:** none

**What reviewers like**

- 💡 Interesting game concept

**What reviewers complain about**

- 🐛 Frequent crashes and bugs
- 🕹️ Lack of control over machines
- 💰 Broken or glitched unlocks
- 📺 Excessive and intrusive ads

**Reported bugs**

- Last machine not unlocking properly
- Machines not functioning as expected
- Crashes and freezes during gameplay

**Requested features**

- Reduce ads and provide ad-free option
- Fix broken/glitched machine unlocks
- Improve overall stability and performance


### GrassFactory

[App page](https://appshunter.io/ios/app/grassfactory/id6770843297)

**In-app purchases:** none


## Frequently asked questions

### Is Big Factory! free?

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

### Is GrassFactory free?

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

### Do Big Factory! or GrassFactory have ads?

Big Factory! shows ads; GrassFactory does not.

### Which is updated more often, Big Factory! or GrassFactory?

Big Factory! ships an update weekly, and GrassFactory daily. Most recently, Big Factory! was updated on October 24, 2026 and GrassFactory on October 15, 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.*