# OverclockeTD vs Grid Defense

The clearest difference is update cadence: Grid Defense at every 2 weeks against OverclockeTD's every 2 months. OverclockeTD's advantage is iOS requirement (12.0 vs 15.0). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. OverclockeTD sells 6 one-off in-app purchases and Grid Defense sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

OverclockeTD ships an update every 2 months, Grid Defense every 2 weeks. The most recent releases landed on July 7, 2026 and September 26, 2026 respectively.

## The numbers

| Metric | OverclockeTD | Grid Defense |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.4 (9 ratings)](https://appshunter.io/ios/app/overclocketd/id1505199638/reviews)** | — |
| Number of ratings | **9** | — |
| Positive reviews | 80.0% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 2 weeks** |
| Monetization | Free with in-app purchases | — |
| Size | 115 MB | 10 MB |
| Requires iOS | **12.0** | 15.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 9+ | 9+ |
| Developer | [Jonas Krucher](https://appshunter.io/developer/1505199637) | [Dimitar Porkov](https://appshunter.io/developer/6790099306) |

## What reviewers say

### 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 |


### Grid Defense

[App page](https://appshunter.io/ios/app/grid-defense/id6790099304)

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Full Game Unlock | $1.99 | one-time |


## Frequently asked questions

### Is OverclockeTD free?

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

### Is Grid Defense free?

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

### Do OverclockeTD or Grid Defense have ads?

Neither OverclockeTD nor Grid Defense shows ads.

### Which is updated more often, OverclockeTD or Grid Defense?

OverclockeTD ships an update every 2 months, and Grid Defense every 2 weeks. Most recently, OverclockeTD was updated on July 7, 2026 and Grid Defense on September 26, 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.*