# PSI Masquerade DW vs Ace Assassin

The clearest difference is update cadence: PSI Masquerade DW at every 4 days against Ace Assassin's every 2 months. Ace Assassin's advantage is iOS requirement (13.0 vs 15.0). On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. PSI Masquerade DW sells 4 one-off in-app purchases and Ace Assassin sells 10 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.

PSI Masquerade DW ships an update every 4 days, Ace Assassin every 2 months. The most recent releases landed on November 4, 2026 and October 30, 2026 respectively.

## The numbers

| Metric | PSI Masquerade DW | Ace Assassin |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Every 4 days** | Every 2 months |
| Size | 371 MB | 597 MB |
| Requires iOS | 15.0 | **13.0** |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 17+ | 12+ |
| Developer | [Akiyoshi Hanaoka](https://appshunter.io/developer/1636430648) | [Dotworld Technologies Private Limited](https://appshunter.io/developer/1720380556) |

## What reviewers say

### PSI Masquerade DW

[App page](https://appshunter.io/ios/app/psi-masquerade-dw/id6475028658)

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

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Server Support Lv.1 | $1.99 | one-time |
| Server Support Lv.2 | $4.99 | one-time |
| Premium Unlock Unlock | $6.99 | one-time |
| Server Support Lv.3 | $11.99 | one-time |


### Ace Assassin

[App page](https://appshunter.io/ios/app/ace-assassin/id6741016699)

**Features:** macOS Compatibility

**In-app purchases (10)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Detector Pack - Bronze Tier | $0.99 | one-time |
| Drone Pack : Bronze Tier | $0.99 | one-time |
| Detector Pack : Silver Tier | $2.99 | one-time |
| Drone Pack : Silver Tier | $2.99 | one-time |
| Detector Pack : Gold Tier | $4.99 | one-time |
| Drone Pack : Gold Tier | $4.99 | one-time |
| Energy Pack : Bronze Tier | $4.99 | one-time |
| Energy Pack : Silver Tier | $8.99 | one-time |
| Energy Pack : Gold Tier | $12.99 | one-time |
| Gold Pack : Gold Tier | $14.99 | one-time |


## Frequently asked questions

### Is PSI Masquerade DW free?

PSI Masquerade DW is free to download, with in-app purchases available.

### Is Ace Assassin free?

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

### Do PSI Masquerade DW or Ace Assassin have ads?

Neither PSI Masquerade DW nor Ace Assassin shows ads.

### Which is updated more often, PSI Masquerade DW or Ace Assassin?

PSI Masquerade DW ships an update every 4 days, and Ace Assassin every 2 months. Most recently, PSI Masquerade DW was updated on November 4, 2026 and Ace Assassin on October 30, 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.*