# Fantasy TD vs Marbles AI

The clearest difference is price: Marbles AI at Free against Fantasy TD's $1.99. Fantasy TD's advantage is update cadence (weekly vs monthly) and device support (5 vs 3). On ads, in-app purchases and iOS requirement there is nothing between them.

Marbles AI is free to download; Fantasy TD costs $1.99 up front. Fantasy TD sells 1 one-off in-app purchase and Marbles AI sells 6 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.

Fantasy TD ships an update weekly, Marbles AI monthly. The most recent releases landed on October 6, 2026 and October 2, 2026 respectively.

## The numbers

| Metric | Fantasy TD | Marbles AI |
| --- | --- | --- |
| Price | $1.99 | **Free** |
| Rating | **[4.8 (9 ratings)](https://appshunter.io/ios/app/fantasy-td/id6464279907/reviews)** | — |
| Number of ratings | **9** | — |
| Positive reviews | 71.4% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Weekly** | Monthly |
| Monetization | Paid | — |
| Size | 600 MB | 546 MB |
| Requires iOS | 13.0 | 13.0 |
| Devices | **iPhone, iPad, iPod, Mac, Vision Pro** | iPhone, iPad, iPod |
| Age rating | 12+ | 4+ |
| Developer | [Ktisis Web, LLC](https://appshunter.io/developer/1705664096) | [Quantum Gaming GmbH](https://appshunter.io/developer/1490115542) |

## What reviewers say

### Fantasy TD

[App page](https://appshunter.io/ios/app/fantasy-td/id6464279907)

A fast-paced, strategic tower defense game where players build towers, cast spells, and upgrade defenses to repel waves of monsters. It offers a challenging experience focused on tactical placement and resource management to protect your castle.

**Highlights:** Build towers, Cast spells, Upgrade defenses, Stop monsters, Strategic gameplay, Fast-paced action

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Remove Ads | $0.99 | one-time |


### Marbles AI

[App page](https://appshunter.io/ios/app/marbles-ai/id6475598901)

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

**In-app purchases (6)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 100 Premium Crystals | $0.99 | one-time |
| 1000 Crystals | $0.99 | one-time |
| 10000 Crystals | $7.99 | one-time |
| 1000 Premium Crystals | $7.99 | one-time |
| 50000 Crystals | $34.99 | one-time |
| 5000 Premium Crystals | $34.99 | one-time |


## Frequently asked questions

### Is Fantasy TD free?

Fantasy TD costs $1.99, and also offers in-app purchases.

### Is Marbles AI free?

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

### Do Fantasy TD or Marbles AI have ads?

Neither Fantasy TD nor Marbles AI shows ads.

### Which is updated more often, Fantasy TD or Marbles AI?

Fantasy TD ships an update weekly, and Marbles AI monthly. Most recently, Fantasy TD was updated on October 6, 2026 and Marbles AI on October 2, 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.*