# TreeSim vs Gravity

The clearest difference is in-app purchases: TreeSim at none against Gravity's 1. TreeSim also leads on ads (none vs shown) and update cadence (weekly vs every 2 months). On price and device support there is nothing between them.

Both are free to download. Gravity sells 1 one-off in-app purchase. TreeSim asks for nothing beyond the download.

TreeSim ships an update weekly, Gravity every 2 months. The most recent releases landed on November 6, 2026 and October 30, 2026 respectively.

## The numbers

| Metric | TreeSim | Gravity |
| --- | --- | --- |
| 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** | Yes |
| Ads | **No** | Yes |
| Update frequency | **Weekly** | Every 2 months |
| Monetization | Free | — |
| Size | 16 MB | 116 MB |
| Requires iOS | **12.0** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Bret Lester](https://appshunter.io/developer/917672169) | [Quang Thang To](https://appshunter.io/developer/1817626562) |

## 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


### Gravity

[App page](https://appshunter.io/ios/app/gravity-planets-in-universe/id6746643773)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Creative Mode | $2.99 | one-time |


## Frequently asked questions

### Is TreeSim free?

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

### Is Gravity free?

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

### Do TreeSim or Gravity have ads?

Gravity shows ads; TreeSim does not.

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

TreeSim ships an update weekly, and Gravity every 2 months. Most recently, TreeSim was updated on November 6, 2026 and Gravity on October 30, 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.*