# AI TD vs HexRain

The clearest difference is ads: HexRain at none against AI TD's shown. HexRain also leads on monetization model (free vs ad-supported). On price, update cadence, in-app purchases and device support there is nothing between them.

Both are free to download. AI TD sells 7 one-off in-app purchases and HexRain sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

AI TD ships an update fortnightly, HexRain every 11 days. The most recent releases landed on October 7, 2026 and October 28, 2026 respectively.

## The numbers

| Metric | AI TD | HexRain |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (5 ratings)](https://appshunter.io/ios/app/hexrain/id6764113922/reviews)** |
| Number of ratings | — | **5** |
| Positive reviews | 25.0% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | Yes | **No** |
| Update frequency | Fortnightly | **Every 11 days** |
| Monetization | Ad-supported | **Free** |
| Size | 215 MB | 7 MB |
| Requires iOS | 15.0 | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 9+ | 4+ |
| Developer | [Hot Yeti Studio OU](https://appshunter.io/developer/1643923250) | [Fraser Graham](https://appshunter.io/developer/1890320803) |

## 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 |


### HexRain

[App page](https://appshunter.io/ios/app/hexrain/id6764113922)

A fast-paced action game where players dodge falling hexes and collect bonus items. It features a challenge editor for creating and sharing custom levels, offering endless replayability.

**Highlights:** Dodge falling hexes, Collect bonus blocks, Challenge blocks, Up to 30 challenges, Challenge editor, Share custom levels

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Unlock All Game Modes | $1.99 | one-time |


## Frequently asked questions

### Is AI TD free?

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

### Is HexRain free?

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

### Do AI TD or HexRain have ads?

AI TD shows ads; HexRain does not.

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

AI TD ships an update fortnightly, and HexRain every 11 days. Most recently, AI TD was updated on October 7, 2026 and HexRain on October 28, 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.*