# TreeSim vs GrassFactory

The clearest difference is update cadence: GrassFactory at daily against TreeSim's weekly. On price, ads, 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.

TreeSim ships an update weekly, GrassFactory daily. Both last shipped on October 25, 2026.

## The numbers

| Metric | TreeSim | GrassFactory |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[3.6 (5 ratings)](https://appshunter.io/ios/app/treesim/id1472945202/reviews)** | — |
| Number of ratings | **5** | — |
| Positive reviews | 66.7% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Weekly | **Daily** |
| Monetization | Free | — |
| Size | 16 MB | 54 MB |
| Requires iOS | **12.0** | 13.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Bret Lester](https://appshunter.io/developer/917672169) | [丙恒 何](https://appshunter.io/developer/1895200204) |

## What reviewers say

### TreeSim

[App page](https://appshunter.io/ios/app/treesim/id1472945202)

Generate an endless array of unique trees with a simple tap. Experience a delightful and calming process as digital flora flourishes on your screen. It's a relaxing way to create algorithmic nature.

**Highlights:** Algorithmic tree creation, Infinite variety, Tap-to-grow mechanic, Relaxing gameplay, Delightful visual experience

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

**In-app purchases:** none


### GrassFactory

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

**In-app purchases:** none


## Frequently asked questions

### Is TreeSim free?

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

### Is GrassFactory free?

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

### Do TreeSim or GrassFactory have ads?

Neither TreeSim nor GrassFactory shows ads.

### Which is updated more often, TreeSim or GrassFactory?

TreeSim ships an update weekly, and GrassFactory daily. Most recently, TreeSim was updated on October 25, 2026 and GrassFactory on October 25, 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.*