# Rolldrop vs Grass Water Puzzle

The clearest difference is in-app purchases: Grass Water Puzzle at none against Rolldrop's 2. Rolldrop's advantage is update cadence (every 2 weeks vs every 7 months) and iOS requirement (13.0 vs 15.0). On price, ads and device support there is nothing between them.

Both are free to download. Rolldrop sells 2 one-off in-app purchases. Grass Water Puzzle asks for nothing beyond the download.

Rolldrop ships an update every 2 weeks, Grass Water Puzzle every 7 months. The most recent releases landed on October 9, 2026 and October 15, 2026 respectively.

## The numbers

| Metric | Rolldrop | Grass Water Puzzle |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | **Every 2 weeks** | Every 7 months |
| Size | 173 MB | 176 MB |
| Requires iOS | **13.0** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [IYI Games](https://appshunter.io/developer/1167649396) | [KAKAK](https://appshunter.io/developer/1501395145) |

## What reviewers say

### Rolldrop

[App page](https://appshunter.io/ios/app/rolldrop/id1167725317)

**Features:** macOS Compatibility

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Remove Ads | $1.99 | one-time |
| Unlock All Levels | $4.99 | one-time |


### Grass Water Puzzle

[App page](https://appshunter.io/ios/app/grass-water-puzzle/id1581244255)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Rolldrop free?

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

### Is Grass Water Puzzle free?

Grass Water Puzzle is free to download, with no in-app purchases.

### Do Rolldrop or Grass Water Puzzle have ads?

Neither Rolldrop nor Grass Water Puzzle shows ads.

### Which is updated more often, Rolldrop or Grass Water Puzzle?

Rolldrop ships an update every 2 weeks, and Grass Water Puzzle every 7 months. Most recently, Rolldrop was updated on October 9, 2026 and Grass Water Puzzle 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.*