# Mech TD vs OTTTD Halfbrick+

The clearest difference is review sentiment: Mech TD at 73% against OTTTD Halfbrick+'s 0%. Mech TD also leads on rating (4.6 vs 3.7) and monetization model (free with in-app purchases vs subscription). OTTTD Halfbrick+'s advantage is ads (none vs shown) and update cadence (daily vs weekly). On price, in-app purchases and device support there is nothing between them.

Both are free to download. Mech TD sells 13 one-off in-app purchases and OTTTD Halfbrick+ sells 3 in-app purchases, starting at $2.99 per month. Whichever you choose, the download price is not the number that matters.

Mech TD holds the better App Store score, 4.6 against 3.7. That said, the two scores are not equally well evidenced: Mech TD has 124 ratings behind it against 3, so its average is the more settled of the two. Written reviews point the same way: 73% of Mech TD's written reviews are positive against 0% of OTTTD Halfbrick+'s.

Mech TD ships an update weekly, OTTTD Halfbrick+ daily. The most recent releases landed on October 21, 2026 and October 20, 2026 respectively.

## The numbers

| Metric | Mech TD | OTTTD Halfbrick+ |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.6 (124 ratings)](https://appshunter.io/ios/app/mech-td-space-war/id6463076238/reviews)** | [3.7 (3 ratings)](https://appshunter.io/ios/app/otttd-halfbrick-plus/id6737252891/reviews) |
| Number of ratings | **124** | 3 |
| Positive reviews | **73.3% of reviews** | 0.0% of reviews |
| In-app purchases | Yes | Yes |
| Ads | Yes | **No** |
| Update frequency | Weekly | **Daily** |
| Monetization | **Free with in-app purchases** | Subscription |
| Size | 326 MB | 317 MB |
| Requires iOS | 16.0 | **13.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 9+ | 12+ |
| Developer | [涓 梅](https://appshunter.io/developer/1691042897) | [Halfbrick Studios](https://appshunter.io/developer/356994313) |

## What reviewers say

### Mech TD

[App page](https://appshunter.io/ios/app/mech-td-space-war/id6463076238)

Command mechs in a tower defense narrative, battling alien insects and the Empire. Explore diverse modes, customize units, and utilize unique skills across multiple maps. Experience intense battles with simple controls and dynamic jumping mechanics.

**Highlights:** Story-driven tower defense mode, Intense survivor mode, Variety of battle modes, Command 6 unique mech commanders, Customize unit colors, Utilize random skills and battle tech, 7 distinct maps

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

**In-app purchases (13)**

| Purchase | Price | Billing |
| --- | --- | --- |
| starter_pack_1 | $0.99 | one-time |
| starter_pack_3 | $0.99 | one-time |
| purchase the full game content | $1.99 | one-time |
| R&D coin pack 1 | $1.99 | one-time |
| starter_pack_4 | $1.99 | one-time |
| starter_pack_2 | $1.99 | one-time |
| One month no ads | $5.99 | one-time |
| R&D coin pack 2 | $7.99 | one-time |
| permanent VIP | $9.99 | one-time |
| gold vip | $12.99 | one-time |
| R&D coin pack 3 | $14.99 | one-time |
| R&D coin pack 4 | $49.99 | one-time |
| R&D coin pack 5 | $99.99 | one-time |


### OTTTD Halfbrick+

[App page](https://appshunter.io/ios/app/otttd-halfbrick-plus/id6737252891)

This game blends tower defense with real-time strategy, tasking players with defending Earth from alien invasions. Command unique heroes, build and upgrade defensive towers, and face epic boss battles across diverse alien dimensions.

**Highlights:** Tower Defense Meets RTS, Command Unique Heroes, Build and Upgrade Towers, Epic Boss Battles, Explore Alien Dimensions, Strategic Combat

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Halfbrick+ | $2.99 | per month |
| Halfbrick+ | $2.99 | per month |
| Halfbrick+ | $29.99 | per year |


## Frequently asked questions

### Is Mech TD free?

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

### Is OTTTD Halfbrick+ free?

OTTTD Halfbrick+ is free to download, with in-app purchases available.

### Which has better reviews, Mech TD or OTTTD Halfbrick+?

Mech TD is rated higher. Mech TD averages 4.6 out of 5 from 124 ratings, while OTTTD Halfbrick+ averages 3.7 from 3 ratings.

### Do Mech TD or OTTTD Halfbrick+ have ads?

Mech TD shows ads; OTTTD Halfbrick+ does not.

### Which is updated more often, Mech TD or OTTTD Halfbrick+?

Mech TD ships an update weekly, and OTTTD Halfbrick+ daily. Most recently, Mech TD was updated on October 21, 2026 and OTTTD Halfbrick+ on October 20, 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.*