# Lucky Defense! vs Finding Zer0

The clearest difference is in-app purchases: Finding Zer0 at none against Lucky Defense!'s 10. Finding Zer0 also leads on ads (none vs shown) and update cadence (every 2 days vs every 2 weeks). Lucky Defense!'s advantage is chart position (#73 vs unranked). On price, device support and iOS requirement there is nothing between them.

Both are free to download. Lucky Defense! sells 10 one-off in-app purchases. Finding Zer0 asks for nothing beyond the download.

Lucky Defense! ships an update every 2 weeks, Finding Zer0 every 2 days. The most recent releases landed on November 8, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | Lucky Defense! | Finding Zer0 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.6 (12K ratings)](https://appshunter.io/ios/app/lucky-defense/id6482291732/reviews)** | — |
| Number of ratings | **12K** | — |
| Positive reviews | 57.3% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | Every 2 weeks | **Every 2 days** |
| Monetization | Free with in-app purchases | — |
| Best chart rank | **#73** | — |
| Size | 724 MB | 35 MB |
| Requires iOS | **15.0** | 16.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 12+ | 4+ |
| Developer | [111%](https://appshunter.io/developer/1060433596) | [Huy Nguyen](https://appshunter.io/developer/1815929205) |

## What reviewers say

### Lucky Defense!

[App page](https://appshunter.io/ios/app/lucky-defense/id6482291732)

**Currently charting:** #73 Top Grossing · Strategy, #109 Top Grossing · Casual (US App Store)

Experience a luck-based tower defense game where summoning units and merging them relies entirely on chance. Spin the roulette for a big swing and test your limits against monsters. Rise or fall based on your luck in this casual survival clash.

**Highlights:** Luck-based unit summoning, Merge units for new outcomes, Roulette for random rewards, Tower defense gameplay, Casual survival clash

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

**In-app purchases (10)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Upgrade Trigger Package 2 | $3.99 | one-time |
| Starter Package 1 | $3.99 | one-time |
| Upgrade Trigger Package 1 | $4.99 | one-time |
| Starter Package 2 | $6.99 | one-time |
| Scroll Trigger Package | $6.99 | one-time |
| Wave Pass | $6.99 | one-time |
| VVIP Package | $9.99 | one-time |
| Upgrade Trigger Package 3 | $11.99 | one-time |
| Wave Trigger Package 1 | $11.99 | one-time |
| Upgrade Trigger Package | $19.99 | one-time |

**What reviewers like**

- 🎮 Fun and addictive gameplay
- 👍 No forced ads or pay-to-win mechanics
- 🚀 Constantly updated with new features
- 🎨 Enjoyable art style and visuals

**What reviewers complain about**

- 🎲 Unreliable summoning/recruitment system
- 🤯 Extremely difficult progression past certain waves
- 🤖 Frustrating to be paired with low-level teammates
- 🔥 Game crashes and server issues

**Reported bugs**

- Login failures and connection instability
- Recruitment/summoning not functioning as intended
- Game freezing and crashing on certain devices

**Requested features**

- Add a solo/single-player mode
- Implement a friends list and co-op matchmaking
- Improve the summoning/recruitment system
- Rebalance the difficulty curve


### Finding Zer0

[App page](https://appshunter.io/ios/app/finding-zer0-math-puzzle-game/id6798571085)

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

**In-app purchases:** none


## Frequently asked questions

### Is Lucky Defense! free?

Lucky Defense! is free to download, with in-app purchases available.

### Is Finding Zer0 free?

Finding Zer0 is free to download, with no in-app purchases.

### Do Lucky Defense! or Finding Zer0 have ads?

Lucky Defense! shows ads; Finding Zer0 does not.

### Which is updated more often, Lucky Defense! or Finding Zer0?

Lucky Defense! ships an update every 2 weeks, and Finding Zer0 every 2 days. Most recently, Lucky Defense! was updated on November 8, 2026 and Finding Zer0 on October 31, 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.*