# AI TD vs PATHOGENEER

The clearest difference is in-app purchases: PATHOGENEER at none against AI TD's 7. PATHOGENEER also leads on ads (none vs shown) and update cadence (weekly vs fortnightly). On price, device support and iOS requirement there is nothing between them.

Both are free to download. AI TD sells 7 one-off in-app purchases. PATHOGENEER asks for nothing beyond the download.

AI TD ships an update fortnightly, PATHOGENEER weekly. The most recent releases landed on August 23, 2026 and September 30, 2026 respectively.

## The numbers

| Metric | AI TD | PATHOGENEER |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 25.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | Fortnightly | **Weekly** |
| Monetization | Ad-supported | — |
| Size | 215 MB | 116 MB |
| Requires iOS | 15.0 | 15.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 9+ | 4+ |
| Developer | [Hot Yeti Studio OU](https://appshunter.io/developer/1643923250) | [Go7 Studio](https://appshunter.io/developer/1896576052) |

## What reviewers say

### AI TD

[App page](https://appshunter.io/ios/app/ai-td/id6740579258)

Defend humanity from an AI takeover by eliminating enemy forces. Upgrade your defenses and unlock new powers as you progress through increasingly challenging levels.

**Highlights:** Eliminate AI enemies, Upgrade defenses, Gain new powers, Humanity's savior theme, Challenging gameplay

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

**In-app purchases (7)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Super Revive Pack 1 | $1.99 | one-time |
| Mini Pack | $2.99 | one-time |
| No Ads | $6.99 | one-time |
| Tower Boost Pack 1 | $6.99 | one-time |
| Large Pack | $7.99 | one-time |
| No Ads Bundle | $9.99 | one-time |
| Full Pack | $17.99 | one-time |


### PATHOGENEER

[App page](https://appshunter.io/ios/app/pathogeneer/id6796841166)

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

**In-app purchases:** none


## Frequently asked questions

### Is AI TD free?

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

### Is PATHOGENEER free?

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

### Do AI TD or PATHOGENEER have ads?

AI TD shows ads; PATHOGENEER does not.

### Which is updated more often, AI TD or PATHOGENEER?

AI TD ships an update fortnightly, and PATHOGENEER weekly. Most recently, AI TD was updated on August 23, 2026 and PATHOGENEER on September 30, 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.*