# Master Agent vs Sky Block Guard

The clearest difference is ads: Sky Block Guard at none against Master Agent's shown. Master Agent's advantage is iOS requirement (10.0 vs 15.0). On price, update cadence, in-app purchases and device support there is nothing between them.

Both are free to download. Master Agent sells 10 one-off in-app purchases and Sky Block Guard sells 4 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.

Both ship on a similar rhythm, roughly every 3 days. The most recent releases landed on October 5, 2026 and September 27, 2026 respectively.

## The numbers

| Metric | Master Agent | Sky Block Guard |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.0 (2 ratings)](https://appshunter.io/ios/app/master-agent/id1592537515/reviews)** | — |
| Number of ratings | **2** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | Yes | **No** |
| Update frequency | Every 3 days | Every 3 days |
| Monetization | Free with in-app purchases | — |
| Size | 192 MB | 89 MB |
| Requires iOS | **10.0** | 15.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 9+ | 12+ |
| Developer | [CodeHound](https://appshunter.io/developer/1173184098) | [Erin Ward](https://appshunter.io/developer/6790854383) |

## What reviewers say

### Master Agent

[App page](https://appshunter.io/ios/app/master-agent/id1592537515)

Engage in fast-paced, live online multiplayer action as an agent capturing lawbreakers and their loot from global ports. Use stealth, strategy, and power-ups to outmaneuver opponents and climb the leaderboards.

**Highlights:** Live online multiplayer gameplay, Capture lawbreakers and loot, Stealth and strategy mechanics, Collect power-ups, Global leaderboards, Private games with friends

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

**In-app purchases (10)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 25 Master Cash | $0.99 | one-time |
| 60 Master Cash | $1.99 | one-time |
| Freeze Power-up | $1.99 | one-time |
| Unfreeze Power-up | $1.99 | one-time |
| 150 Master Cash | $4.99 | one-time |
| Ice Pack | $4.99 | one-time |
| 350 Master Cash | $9.99 | one-time |
| Remove Ads | $9.99 | one-time |
| 775 Master Cash | $14.99 | one-time |
| 1250K Gold | $24.99 | one-time |


### Sky Block Guard

[App page](https://appshunter.io/ios/app/sky-block-guard-tower-builder/id6798791454)

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

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Towercoins Small | $0.99 | one-time |
| Medium Pack | $1.99 | one-time |
| Large Pack | $3.99 | one-time |
| Towercoins_mega | $6.99 | one-time |


## Frequently asked questions

### Is Master Agent free?

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

### Is Sky Block Guard free?

Sky Block Guard is free to download, with in-app purchases available.

### Do Master Agent or Sky Block Guard have ads?

Master Agent shows ads; Sky Block Guard does not.

### Which is updated more often, Master Agent or Sky Block Guard?

Master Agent ships an update every 3 days, and Sky Block Guard every 3 days. Most recently, Master Agent was updated on October 5, 2026 and Sky Block Guard on September 27, 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.*