# MDS vs Void_TD

The clearest difference is in-app purchases: Void_TD at none against MDS's 7. Void_TD also leads on update cadence (fortnightly vs monthly) and device support (3 vs 1). On price and ads there is nothing between them.

Both are free to download. MDS sells 7 one-off in-app purchases. Void_TD asks for nothing beyond the download.

MDS ships an update monthly, Void_TD fortnightly. The most recent releases landed on October 9, 2026 and October 2, 2026 respectively.

## The numbers

| Metric | MDS | Void_TD |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.5 (14 ratings)](https://appshunter.io/ios/app/void-td/id6762560273/reviews)** |
| Number of ratings | — | **14** |
| Positive reviews | — | 80.0% of reviews |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Monthly | **Fortnightly** |
| Monetization | — | Free |
| Size | 171 MB | 93 MB |
| Requires iOS | 26.0 | **12.0** |
| Devices | iPhone | **iPhone, iPad, iPod** |
| Age rating | 12+ | 9+ |
| Developer | [Bruce Mattison](https://appshunter.io/developer/1786343567) | [Ryan O'Donnell](https://appshunter.io/developer/1894676963) |

## What reviewers say

### MDS

[App page](https://appshunter.io/ios/app/mds-tdgambit/id6739622461)

**In-app purchases (7)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 100 GambitAx Gems | $0.99 | one-time |
| Hard and Insane Difficulties | $0.99 | one-time |
| Chapter 3 Maps | $1.99 | one-time |
| 300 GambitAx Gems | $1.99 | one-time |
| Chapter 1 Maps | $2.99 | one-time |
| Chapter 2 Maps | $2.99 | one-time |
| Play Maps in Any Order | $3.99 | one-time |


### Void_TD

[App page](https://appshunter.io/ios/app/void-td/id6762560273)

Defend your base against waves of enemies in this sci-fi tower defense game. Strategically place and upgrade towers, customize your loadout, and face increasingly difficult challenges. Unlock new modes and cosmetic options as you progress.

**Highlights:** 6 unique tower types with 3 upgrade levels, 6 enemy types including boss variants, 20 campaign waves and procedural endless mode, Customizable tower loadouts and cosmetic skins, 3 difficulty levels, High score tracking

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

**In-app purchases:** none


## Frequently asked questions

### Is MDS free?

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

### Is Void_TD free?

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

### Do MDS or Void_TD have ads?

Neither MDS nor Void_TD shows ads.

### Which is updated more often, MDS or Void_TD?

MDS ships an update monthly, and Void_TD fortnightly. Most recently, MDS was updated on October 9, 2026 and Void_TD 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.*