# GrassPop vs 1st Principle Graph Calculator

The clearest difference is in-app purchases: 1st Principle Graph Calculator at none against GrassPop's 5. GrassPop's advantage is update cadence (daily vs every 3 weeks). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. GrassPop sells 5 one-off in-app purchases. 1st Principle Graph Calculator asks for nothing beyond the download.

GrassPop ships an update daily, 1st Principle Graph Calculator every 3 weeks. The most recent releases landed on October 21, 2026 and October 15, 2026 respectively.

## The numbers

| Metric | GrassPop | 1st Principle Graph Calculator |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/grasspop/id6737540001/reviews)** | — |
| Number of ratings | **1** | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Daily** | Every 3 weeks |
| Monetization | Free with in-app purchases | — |
| Size | 22 MB | 110 MB |
| Requires iOS | 15.0 | 15.0 |
| Devices | iPhone, iPad, iPod | **iPhone, iPad, iPod, Mac** |
| Age rating | 17+ | 4+ |
| Developer | [Cem Ylmaz](https://appshunter.io/developer/1750696266) | [Wonmo Seong](https://appshunter.io/developer/1625011193) |

## What reviewers say

### GrassPop

[App page](https://appshunter.io/ios/app/grasspop/id6737540001)

An arcade game where players defend their grass from waves of enemies. It offers vibrant graphics and addictive gameplay for an exciting and engaging experience.

**Highlights:** Arcade gameplay, Grass defense mechanics, Vibrant graphics, Addictive gameplay, Enemy waves

**Features:** macOS Compatibility

**In-app purchases (5)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 5 Coins | $0.99 | one-time |
| 10 Coins | $1.49 | one-time |
| 50 Coins | $2.99 | one-time |
| 100 Coins | $4.99 | one-time |
| 500 Coins | $9.99 | one-time |


### 1st Principle Graph Calculator

[App page](https://appshunter.io/ios/app/1st-principle-graph-calculator/id6760980245)

**Features:** Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is GrassPop free?

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

### Is 1st Principle Graph Calculator free?

1st Principle Graph Calculator is free to download, with no in-app purchases.

### Do GrassPop or 1st Principle Graph Calculator have ads?

Neither GrassPop nor 1st Principle Graph Calculator shows ads.

### Which is updated more often, GrassPop or 1st Principle Graph Calculator?

GrassPop ships an update daily, and 1st Principle Graph Calculator every 3 weeks. Most recently, GrassPop was updated on October 21, 2026 and 1st Principle Graph Calculator 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.*