# Worm Stack vs RulerDrop

The clearest difference is in-app purchases: RulerDrop at none against Worm Stack's 12. RulerDrop also leads on ads (none vs shown). On price, update cadence, device support and iOS requirement there is nothing between them.

Both are free to download. Worm Stack sells 12 one-off in-app purchases. RulerDrop asks for nothing beyond the download.

Worm Stack ships an update every 2 weeks, RulerDrop every 3 weeks. The most recent releases landed on October 1, 2026 and September 28, 2026 respectively.

## The numbers

| Metric | Worm Stack | RulerDrop |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.7 (1.7K ratings)](https://appshunter.io/ios/app/worm-stack-tap-away-3d/id6458926778/reviews)** | — |
| Number of ratings | **1.7K** | — |
| Positive reviews | 52.2% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | **Every 2 weeks** | Every 3 weeks |
| Monetization | Free with in-app purchases | — |
| Size | 255 MB | 64 MB |
| Requires iOS | 15.0 | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 9+ | 4+ |
| Developer | [Black Candy LLC](https://appshunter.io/developer/1055971513) | [Cube bank Inc.](https://appshunter.io/developer/1690363874) |

## What reviewers say

### Worm Stack

[App page](https://appshunter.io/ios/app/worm-stack-tap-away-3d/id6458926778)

Untangle colorful worms by tapping them to make them fly away. Rotate 3D mazes to find the best strategy and solve increasingly complex puzzles. This addictive game sharpens logic and critical thinking skills with its engaging gameplay and adorable graphics.

**Highlights:** Tap worms to make them fly away, Rotate 3D mazes, Progressive challenges with complex mazes, Strategic move planning, Adorable graphics and animations

**Features:** macOS Compatibility

**In-app purchases (12)**

| Purchase | Price | Billing |
| --- | --- | --- |
| No Banner | $0.99 | one-time |
| Coins (500) | $0.99 | one-time |
| Coins(350) | $1.99 | one-time |
| Coins (1500) | $1.99 | one-time |
| Safety net | $2.99 | one-time |
| Special Offer | $2.99 | one-time |
| Coins (3000) | $2.99 | one-time |
| No Banner Package | $3.99 | one-time |
| Coins(1600) | $7.99 | one-time |
| Coins(3500) | $14.99 | one-time |
| Coins(17500) | $54.99 | one-time |
| Coins(35000) | $99.99 | one-time |

**What reviewers like**

- 👍 Fun game
- 🚀 No ads

**What reviewers complain about**

- 🐛 Game gets stuck frequently
- 🐛 Designs repeat, need more variety
- 🐛 Extras/skins not working after updates
- 🐛 Game freezes and crashes

**Reported bugs**

- Game gets stuck at certain levels
- Levels not loading or advancing properly
- Hint button disappearing after updates

**Requested features**

- New shapes and critters
- Pause/resume functionality
- Spending options for coins


### RulerDrop

[App page](https://appshunter.io/ios/app/rulerdrop/id6762542241)

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

**In-app purchases:** none


## Frequently asked questions

### Is Worm Stack free?

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

### Is RulerDrop free?

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

### Do Worm Stack or RulerDrop have ads?

Worm Stack shows ads; RulerDrop does not.

### Which is updated more often, Worm Stack or RulerDrop?

Worm Stack ships an update every 2 weeks, and RulerDrop every 3 weeks. Most recently, Worm Stack was updated on October 1, 2026 and RulerDrop on September 28, 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.*