# Spiny Ninja vs Ace Assassin

The clearest difference is ads: Ace Assassin at none against Spiny Ninja's shown. Spiny Ninja's advantage is update cadence (weekly vs every 2 months). On price, in-app purchases, device support and iOS requirement there is nothing between them.

Both are free to download. Spiny Ninja 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.

Spiny Ninja ships an update weekly, Ace Assassin every 2 months. The most recent releases landed on October 10, 2026 and October 18, 2026 respectively.

## The numbers

| Metric | Spiny Ninja | Ace Assassin |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | Yes | **No** |
| Update frequency | **Weekly** | Every 2 months |
| Size | 669 MB | 597 MB |
| Requires iOS | **12.0** | 13.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 12+ |
| Developer | [Csharks Games & Solutions Pvt Ltd](https://appshunter.io/developer/400635482) | [Dotworld Technologies Private Limited](https://appshunter.io/developer/1720380556) |

## What reviewers say

### Spiny Ninja

[App page](https://appshunter.io/ios/app/spiny-ninja/id6738118295)

**Features:** macOS Compatibility

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Small Pack | $0.99 | one-time |
| Medium Pack | $0.99 | one-time |
| Large Pack | $1.99 | one-time |
| Extra Large | $2.99 | 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 Spiny Ninja free?

Spiny Ninja 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 Spiny Ninja or Ace Assassin have ads?

Spiny Ninja shows ads; Ace Assassin does not.

### Which is updated more often, Spiny Ninja or Ace Assassin?

Spiny Ninja ships an update weekly, and Ace Assassin every 2 months. Most recently, Spiny Ninja was updated on October 10, 2026 and Ace Assassin on October 18, 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.*