# RoundPairs vs Ninja Assassin

The clearest difference is price: Ninja Assassin at Free against RoundPairs's $0.99. Ninja Assassin also leads on update cadence (every 4 months vs every 53 months) and iOS requirement (15.0 vs 18.0). RoundPairs's advantage is in-app purchases (none vs 1) and ads (none vs shown). On device support there is nothing between them.

Ninja Assassin is free to download; RoundPairs costs $0.99 up front. Ninja Assassin sells 1 one-off in-app purchase. RoundPairs asks for nothing beyond the download.

RoundPairs ships an update every 53 months, Ninja Assassin every 4 months. The most recent releases landed on November 10, 2026 and November 3, 2026 respectively.

## The numbers

| Metric | RoundPairs | Ninja Assassin |
| --- | --- | --- |
| Price | $0.99 | **Free** |
| Rating | — | **[4.6 (14 ratings)](https://appshunter.io/ios/app/ninja-assassin-stealth-hunter/id1553886238/reviews)** |
| Number of ratings | — | **14** |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 53 months | **Every 4 months** |
| Monetization | — | Free with in-app purchases |
| Size | 42 MB | 181 MB |
| Requires iOS | 18.0 | **15.0** |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | +12 |
| Developer | [Gianluca Natalini](https://appshunter.io/developer/348380792) | [CYBERNAUTICA s.r.o.](https://appshunter.io/developer/1535190074) |

## What reviewers say

### RoundPairs

[App page](https://appshunter.io/ios/app/roundpairs/id403025719)

**Features:** macOS Compatibility

**In-app purchases:** none


### Ninja Assassin

[App page](https://appshunter.io/ios/app/ninja-assassin-stealth-hunter/id1553886238)

Become a stealthy ninja cat assassin and hunt down your targets in this action-packed shooter game. Evade enemies, plan your attacks, and use earned rewards to upgrade your feline hunter. Experience a free game with numerous levels to become a legend.

**Highlights:** Play as a ninja cat assassin, Hunt down targets stealthily, Evade enemies with machine guns, Earn gems and diamonds for upgrades, Multiple levels to play, Completely free shooter game

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Remove Ads | $2.99 | one-time |


## Frequently asked questions

### Is RoundPairs free?

RoundPairs costs $0.99, with no in-app purchases.

### Is Ninja Assassin free?

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

### Do RoundPairs or Ninja Assassin have ads?

Ninja Assassin shows ads; RoundPairs does not.

### Which is updated more often, RoundPairs or Ninja Assassin?

RoundPairs ships an update every 53 months, and Ninja Assassin every 4 months. Most recently, RoundPairs was updated on November 10, 2026 and Ninja Assassin on November 3, 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.*