# AI TD vs Bubble Battle Royale

The clearest difference is update cadence: AI TD at fortnightly against Bubble Battle Royale's every 2 months. On price, ads, 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 Bubble Battle Royale sells 2 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.

AI TD ships an update fortnightly, Bubble Battle Royale every 2 months. The most recent releases landed on October 30, 2026 and November 5, 2026 respectively.

## The numbers

| Metric | AI TD | Bubble Battle Royale |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 25.0% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | Yes | Yes |
| Update frequency | **Fortnightly** | Every 2 months |
| Monetization | Ad-supported | — |
| Size | 215 MB | 125 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) | [Wong Kai Sing](https://appshunter.io/developer/1682862705) |

## 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 |


### Bubble Battle Royale

[App page](https://appshunter.io/ios/app/bubble-battle-royale/id6764277234)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Double coins | $7.99 | one-time |
| Remove Ads | $12.99 | one-time |


## Frequently asked questions

### Is AI TD free?

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

### Is Bubble Battle Royale free?

Bubble Battle Royale is free to download, with in-app purchases available.

### Do AI TD or Bubble Battle Royale have ads?

Both AI TD and Bubble Battle Royale show ads.

### Which is updated more often, AI TD or Bubble Battle Royale?

AI TD ships an update fortnightly, and Bubble Battle Royale every 2 months. Most recently, AI TD was updated on October 30, 2026 and Bubble Battle Royale on November 5, 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.*