# Clear Grid Game vs Rail Defence

The clearest difference is in-app purchases: Clear Grid Game at none against Rail Defence's 18. Clear Grid Game 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. Rail Defence sells 18 one-off in-app purchases. Clear Grid Game asks for nothing beyond the download.

Clear Grid Game ships an update every 3 weeks, Rail Defence fortnightly. The most recent releases landed on October 27, 2026 and October 28, 2026 respectively.

## The numbers

| Metric | Clear Grid Game | Rail Defence |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.1 (1.1K ratings)](https://appshunter.io/ios/app/rail-defence/id6739333810/reviews)** |
| Number of ratings | — | **1.1K** |
| Positive reviews | — | 1.7% of reviews |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 3 weeks | **Fortnightly** |
| Monetization | — | Free with in-app purchases |
| Size | 14 MB | 156 MB |
| Requires iOS | **12.0** | 13.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Mikhail Razin](https://appshunter.io/developer/1460485493) | [Upperpik Oyun Yazilim ve Pazarlama Ticaret Anonim Sirketi](https://appshunter.io/developer/1225221447) |

## What reviewers say

### Clear Grid Game

[App page](https://appshunter.io/ios/app/clear-grid-game/id6463164435)

**Features:** macOS Compatibility

**In-app purchases:** none


### Rail Defence

[App page](https://appshunter.io/ios/app/rail-defence/id6739333810)

Defend your castle from waves of enemies by strategically placing and upgrading weapons on a circular railway. Utilize special powers and enhanced armaments to repel increasingly formidable foes and protect your stronghold.

**Highlights:** Circular railway defense, Acquire new weapons, Upgrade weapons, Strengthen defenses, Special powers

**Features:** macOS Compatibility

**In-app purchases (18)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Cash kickstart pack | $1.99 | one-time |
| 10 Tickets | $1.99 | one-time |
| Manager | $2.99 | one-time |
| Money Fountain Pack | $2.99 | one-time |
| Engineer | $2.99 | one-time |
| 20 Tickets | $2.99 | one-time |
| Big Deal Pack | $3.99 | one-time |
| Financier | $3.99 | one-time |
| Royal Treasury Pack | $4.99 | one-time |
| 50 Tickets | $4.99 | one-time |
| No Ads | $4.99 | one-time |
| Bundle | $5.99 | one-time |
| Treasury Trove Pack | $5.99 | one-time |
| 30 Tickets and No Ads | $5.99 | one-time |
| Mega Bundle | $7.99 | one-time |
| Big Vault Pack | $8.99 | one-time |
| Ultra Bundle | $10.99 | one-time |
| Big Chest Treasure | $11.99 | one-time |

**What reviewers like**

- 🚀 Hack

**What reviewers complain about**

- 🐛 Glitches
- 💸 Obscene amount of Ads
- 💸 Advertisement Simulator
- 💸 Ads Ads & more Ads
- 💸 Ads

**Reported bugs**

- The bomb does not work after a few seconds
- Randomly the weapons won't work
- The crossbow stops working after a while

**Requested features**

- More levels
- Different zombies
- More upgrades


## Frequently asked questions

### Is Clear Grid Game free?

Clear Grid Game is free to download, with no in-app purchases.

### Is Rail Defence free?

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

### Do Clear Grid Game or Rail Defence have ads?

Rail Defence shows ads; Clear Grid Game does not.

### Which is updated more often, Clear Grid Game or Rail Defence?

Clear Grid Game ships an update every 3 weeks, and Rail Defence fortnightly. Most recently, Clear Grid Game was updated on October 27, 2026 and Rail Defence on October 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.*