# Ninja Jump Challenge for Watch vs Jupiter Attack

The clearest difference is review sentiment: Ninja Jump Challenge for Watch at 100% against Jupiter Attack's 40%. Ninja Jump Challenge for Watch also leads on price ($0.99 vs $1.99) and iOS requirement (10.0 vs 12.1). Jupiter Attack's advantage is rating (4.5 vs 3.3) and update cadence (every 2 months vs every 38 months). On ads, in-app purchases and device support there is nothing between them.

Ninja Jump Challenge for Watch costs $0.99 and Jupiter Attack $1.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Jupiter Attack holds the better App Store score, 4.5 against 3.3. That said, the two scores are not equally well evidenced: Jupiter Attack has 391 ratings behind it against 7, so its average is the more settled of the two. Written reviews complicate that: 100% of Ninja Jump Challenge for Watch's written reviews are positive against 40% of Jupiter Attack's, so the app with the better star average is not the one people write more warmly about.

Ninja Jump Challenge for Watch ships an update every 38 months, Jupiter Attack every 2 months. The most recent releases landed on November 2, 2026 and November 3, 2026 respectively.

## The numbers

| Metric | Ninja Jump Challenge for Watch | Jupiter Attack |
| --- | --- | --- |
| Price | **$0.99** | $1.99 |
| Rating | [3.3 (7 ratings)](https://appshunter.io/ios/app/ninja-jump-challenge-for-watch/id1217099740/reviews) | **[4.5 (391 ratings)](https://appshunter.io/ios/app/jupiter-attack/id1475755775/reviews)** |
| Number of ratings | 7 | **391** |
| Positive reviews | **100.0% of reviews** | 40.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 38 months | **Every 2 months** |
| Monetization | Paid | **Free** |
| Best chart rank | — | **#25** |
| Size | 28 MB | 18 MB |
| Requires iOS | **10.0** | 12.1 |
| Devices | iPhone, iPad, iPod, Apple Watch | iPhone, iPad, iPod, Apple Watch |
| Age rating | 4+ | 4+ |
| Developer | [Le Thi Thanh Binh](https://appshunter.io/developer/1101992720) | [Red Sprite Studios](https://appshunter.io/developer/493770851) |

## What reviewers say

### Ninja Jump Challenge for Watch

[App page](https://appshunter.io/ios/app/ninja-jump-challenge-for-watch/id1217099740)

A simple, engaging endless runner game designed for Apple Watch and iOS devices. Tap to make your character jump and avoid obstacles in a fast-paced challenge. Compete with friends and players worldwide for the highest score.

**Highlights:** Tap to jump gameplay, Avoid obstacles, Compete with friends, Global leaderboards, Play on Apple Watch, Play on iPhone/iPad

**Features:** macOS Compatibility, Apple Watch app, Vision Pro support

**In-app purchases:** none


### Jupiter Attack

[App page](https://appshunter.io/ios/app/jupiter-attack/id1475755775)

**Currently charting:** #25 Top Paid · Casual, #76 Top Paid · Action (US App Store)

Engage in intense arcade-style space combat against relentless alien invaders. Navigate your ship using intuitive controls on Apple Watch and iPhone, collect power-ups, and aim for the highest score on the global leaderboard. Relive classic arcade action with retro visuals and sound.

**Highlights:** Bullet hell arcade action, Apple Watch and iOS compatibility, Power-up collection (multi-shot, shield, rapid fire), High-score leaderboard, Intuitive Digital Crown controls on Apple Watch, Swipe controls on iPhone, Retro sound effects

**Features:** macOS Compatibility, Apple Watch app, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is Ninja Jump Challenge for Watch free?

Ninja Jump Challenge for Watch costs $0.99, with no in-app purchases.

### Is Jupiter Attack free?

Jupiter Attack costs $1.99, with no in-app purchases.

### Which has better reviews, Ninja Jump Challenge for Watch or Jupiter Attack?

Jupiter Attack is rated higher. Ninja Jump Challenge for Watch averages 3.3 out of 5 from 7 ratings, while Jupiter Attack averages 4.5 from 391 ratings.

### Do Ninja Jump Challenge for Watch or Jupiter Attack have ads?

Neither Ninja Jump Challenge for Watch nor Jupiter Attack shows ads.

### Which is updated more often, Ninja Jump Challenge for Watch or Jupiter Attack?

Ninja Jump Challenge for Watch ships an update every 38 months, and Jupiter Attack every 2 months. Most recently, Ninja Jump Challenge for Watch was updated on November 2, 2026 and Jupiter Attack on November 3, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*