# Boom Castle vs CryptFall

The clearest difference is in-app purchases: CryptFall at none against Boom Castle's 47. Boom Castle's advantage is update cadence (weekly vs every 2 weeks) and device support (3 vs 1). On price and ads there is nothing between them.

Both are free to download. Boom Castle sells 45 one-off in-app purchases. CryptFall asks for nothing beyond the download.

Boom Castle ships an update weekly, CryptFall every 2 weeks. The most recent releases landed on October 23, 2026 and October 16, 2026 respectively.

## The numbers

| Metric | Boom Castle | CryptFall |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.7 (8.9K ratings)](https://appshunter.io/ios/app/boom-castle-tower-defense-td/id6502820312/reviews)** | — |
| Number of ratings | **8.9K** | — |
| Positive reviews | 41.1% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | Yes | Yes |
| Update frequency | **Weekly** | Every 2 weeks |
| Monetization | Free with in-app purchases | — |
| Size | 548 MB | 7 MB |
| Requires iOS | **15.0** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 12+ | 4+ |
| Developer | [Terahype s.r.o.](https://appshunter.io/developer/1631297930) | [BARTOSZ RACZKOWSKI](https://appshunter.io/developer/6806374696) |

## What reviewers say

### Boom Castle

[App page](https://appshunter.io/ios/app/boom-castle-tower-defense-td/id6502820312)

Defend your castle against endless waves of enemies in this roguelike idle tower defense game. Assemble heroes, strategically place towers and traps, and upgrade your defenses to survive brutal hordes. Master tactical gameplay and unleash devastating abilities to protect your stronghold.

**Highlights:** Roguelike idle tower defense, Assemble and upgrade diverse heroes, Strategic tower and trap placement, Endless waves of enemies, RPG upgrade system, Collect unique heroes and skills

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

**In-app purchases (45)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Starter Pack | $0.99 | one-time |
| Diamond Pack 1 | $0.99 | one-time |
| Equipment Slot E+F | $0.99 | one-time |
| Daily Login Premium Pass | $1.99 | one-time |
| Kingdom Treasures 1 | $2.99 | one-time |
| Anti-Orc Fund 4 | $2.99 | one-time |
| Anti-Orc Fund | $2.99 | one-time |
| Diamond Pack 2 | $4.99 | one-time |
| Battle Pass 1 | $4.99 | one-time |
| VIP Royal Treasure Pass 1 | $4.99 | one-time |
| Castle Upgrade Bundle | $4.99 | one-time |
| Desert Treasure 1 | $4.99 | one-time |
| Ancient Treasure 1 | $4.99 | one-time |
| Magic Treasure 3 | $4.99 | one-time |
| Magic Treasure 1 | $4.99 | one-time |
| Desert Treasure 3 | $4.99 | one-time |
| Ancient Treasure 2 | $4.99 | one-time |
| Diamond Pack 3 | $9.99 | one-time |
| VIP Royal Privilege Pass 2 | $9.99 | one-time |
| Kindgom Treasure 3 | $9.99 | one-time |
| Triple Offer 1.2 | $9.99 | one-time |
| Battle Pass 2 | $14.99 | one-time |
| Super Special Bundle | $14.99 | one-time |
| Upgrade The Thorgar | $14.99 | one-time |
| Upgrade The Hellfire | $14.99 | one-time |
| Upgrade The New Hero Xarest | $14.99 | one-time |
| Upgrade The Cornelix | $14.99 | one-time |
| Upgrade The New Hero | $14.99 | one-time |
| Triple Offer 2.3 | $14.99 | one-time |
| Diamond Pack 4 | $19.99 | one-time |
| Level 9 Offer | $19.99 | one-time |
| Level 10 Offer | $19.99 | one-time |
| Seven Kingdom Treasure 1 | $19.99 | one-time |
| Triple Offer 2.4 | $24.99 | one-time |
| Hidden King's Treasure 1 | $24.99 | one-time |
| Double Offer 2.1 | $27.99 | one-time |
| Ultimate Defender Kit | $29.99 | one-time |
| Double Offer 2.3 | $34.99 | one-time |
| Triple Offer 1.4 | $34.99 | one-time |
| Hidden King's Treasure 5 | $49.99 | one-time |
| Diamond Pack 5 | $49.99 | one-time |
| Triple Offer 3.3 | $99.99 | one-time |
| Diamond Pack 6 | $99.99 | one-time |
| Triple Offer 3.4 | $109.99 | one-time |
| Double Offer 2.2 | $114.99 | one-time |

**What reviewers like**

- 🎮 Engaging gameplay
- 👍 Enjoyable experience
- 🎨 Great visuals

**What reviewers complain about**

- 🐢 Slow progression
- 🤑 Pay-to-win mechanics
- 🔍 Lack of manual targeting
- 🔇 Sound issues
- 🤯 Frustrating difficulty spikes

**Reported bugs**

- Upgrade issues (no application of upgrades)
- Inconsistent or broken mechanics
- Crashes and performance problems

**Requested features**

- More heroes and units
- Improved progression system
- Better balance and difficulty scaling
- Customizable hero/unit selection
- Clearer in-game instructions


### CryptFall

[App page](https://appshunter.io/ios/app/cryptfall/id6809788749)

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

**In-app purchases:** none


## Frequently asked questions

### Is Boom Castle free?

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

### Is CryptFall free?

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

### Do Boom Castle or CryptFall have ads?

Both Boom Castle and CryptFall show ads.

### Which is updated more often, Boom Castle or CryptFall?

Boom Castle ships an update weekly, and CryptFall every 2 weeks. Most recently, Boom Castle was updated on October 23, 2026 and CryptFall on October 16, 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.*