# Defense Zone 3 HD vs OverclockeTD

The clearest difference is ads: OverclockeTD at none against Defense Zone 3 HD's shown. OverclockeTD also leads on review sentiment (80% vs 69%). Defense Zone 3 HD's advantage is ratings volume (2.5K vs 9). On price, rating, update cadence and in-app purchases there is nothing between them.

Both are free to download. Defense Zone 3 HD sells 6 one-off in-app purchases and OverclockeTD sells 6 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.

Defense Zone 3 HD holds the better App Store score, 4.6 against 4.4. That said, the two scores are not equally well evidenced: Defense Zone 3 HD has 2.5K ratings behind it against 9, so its average is the more settled of the two. Written reviews complicate that: 69% of Defense Zone 3 HD's written reviews are positive against 80% of OverclockeTD's, so the app with the better star average is not the one people write more warmly about.

Defense Zone 3 HD ships an update every 3 months, OverclockeTD every 2 months. The most recent releases landed on September 23, 2026 and July 7, 2026 respectively.

## The numbers

| Metric | Defense Zone 3 HD | OverclockeTD |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.6 (2.5K ratings)](https://appshunter.io/ios/app/defense-zone-3-hd/id1020270390/reviews)** | [4.4 (9 ratings)](https://appshunter.io/ios/app/overclocketd/id1505199638/reviews) |
| Number of ratings | **2.5K** | 9 |
| Positive reviews | 68.5% of reviews | **80.0% of reviews** |
| In-app purchases | Yes | Yes |
| Ads | Yes | **No** |
| Update frequency | Every 3 months | **Every 2 months** |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 378 MB | 115 MB |
| Requires iOS | 13.0 | **12.0** |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 12+ | 9+ |
| Developer | [Artem Kotov](https://appshunter.io/developer/489472295) | [Jonas Krucher](https://appshunter.io/developer/1505199637) |

## What reviewers say

### Defense Zone 3 HD

[App page](https://appshunter.io/ios/app/defense-zone-3-hd/id1020270390)

Defend your territory against relentless enemy armies in this action-strategy game. Strategically place and upgrade a variety of turrets, utilizing special abilities to overcome increasingly challenging waves. Enjoy dynamic battles with stunning visuals and flexible difficulty settings.

**Highlights:** Variety of turrets, Special abilities, Flexible difficulty levels, Diverse landscapes, Strategic placement and upgrades, Dynamic battles

**Features:** macOS Compatibility

**In-app purchases (6)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 3000 Coins | $1.99 | one-time |
| Remove Ads | $2.99 | one-time |
| 9000 Coins | $4.99 | one-time |
| 20250 Coins | $9.99 | one-time |
| 56250 Coins | $24.99 | one-time |
| 262500 Coins | $99.99 | one-time |

**What reviewers like**

- 🚀 Great graphics
- 🚀 Fun gameplay
- 👍 Challenging levels
- 👍 Addictive tower defense experience

**What reviewers complain about**

- 🐛 Crashes and bugs
- 🐛 Unplayable on certain devices
- 💰 Pay-to-win mechanics
- 💰 Difficult to progress without spending money
- 🕹️ Menus and UI get in the way of gameplay

**Reported bugs**

- Constant crashes
- Inverted/flipped screen after ads
- Inability to save progress

**Requested features**

- Endless mode
- Better zoom and camera controls
- More detailed weapon information


### OverclockeTD

[App page](https://appshunter.io/ios/app/overclocketd/id1505199638)

A synthwave-inspired tower defense game where you strategically place towers to eliminate enemies. Overclock your defenses for temporary boosts and protect your heart across multiple worlds and levels. Enjoy a free experience with optional additional content.

**Highlights:** Strategic tower placement, Overclocking for temporary power-ups, Synthwave 80s pixel art style, Multiple worlds and levels, Free to play with optional purchases

**Features:** macOS Compatibility

**In-app purchases (6)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Small Pledge | $0.99 | one-time |
| Premium: small amount | $0.99 | one-time |
| Medium Pledge | $2.99 | one-time |
| Premium: medium amount | $2.99 | one-time |
| Big Pledge | $4.99 | one-time |
| Premium: big amount | $4.99 | one-time |


## Frequently asked questions

### Is Defense Zone 3 HD free?

Defense Zone 3 HD is free to download, with in-app purchases available.

### Is OverclockeTD free?

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

### Which has better reviews, Defense Zone 3 HD or OverclockeTD?

Defense Zone 3 HD is rated higher. Defense Zone 3 HD averages 4.6 out of 5 from 2.5K ratings, while OverclockeTD averages 4.4 from 9 ratings.

### Do Defense Zone 3 HD or OverclockeTD have ads?

Defense Zone 3 HD shows ads; OverclockeTD does not.

### Which is updated more often, Defense Zone 3 HD or OverclockeTD?

Defense Zone 3 HD ships an update every 3 months, and OverclockeTD every 2 months. Most recently, Defense Zone 3 HD was updated on September 23, 2026 and OverclockeTD on July 7, 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.*