Ninja Jump Challenge for Watch vs Jupiter Attack
Price, ratings, monetisation and update history for both games, side by side — with what reviewers say about each.
Ninja Jump Challenge for Watch
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.
- Tap to jump gameplay
- Avoid obstacles
- Compete with friends
- Global leaderboards
- Play on Apple Watch
- Play on iPhone/iPad
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Great & Simple game to play on your Apple Watch & iPhone/iPad: - Tap to jump. - Do not hit anything. - Compete against friends or the world! *** GET IT NOW ***
Jupiter Attack
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.
- 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
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Prepare to enter bullet hell... The 2nd in the Space Watch Trilogy, Jupiter Attack pits you against an onslaught of merciless space invaders, intent on destroying Earth! Use the Digital Crown on Watch and touch screen on iPhone to move your ship and destroy the oncoming alien menace. Collect power-ups as you compete to earn the highest score in this retro inspired arcade classic. • Playable on Apple Watch and iOS devices! • Power-ups include multi-shot, shield and rapid fire! • High-score leaderboard on Apple Watch and iPhone! • Intuitive and simple controls using the Digital Crown on Apple Watch! • Swipe to move on iPhone! • Retro sound effects on the iPhone! • Runs at 60fps on the Apple Watch! • Play anywhere, anytime! Relive the glory days of the arcade on your Apple Watch and iPhone. For the first in the Space Watch Trilogy download Kepler Attack! Thanks for playing - Johnno
Screenshots
Verdict
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.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
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.
| Parameter | Ninja Jump Challenge for Watch | Jupiter Attack |
|---|---|---|
| Price | $0.99 — better | $1.99 |
| Rating | 3.3 (7 ratings) | 4.5 (391 ratings) — better |
| Positive reviews | 100.0% of reviews — better | 40.0% of reviews |
| Number of ratings | 7 | 391 — better |
| Update frequency | Every 38 months | Every 2 months — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Paid | Free — better |
| Best chart rank | — | #25 — better |
| Devices | iPhone, iPad, iPod, Apple Watch | iPhone, iPad, iPod, Apple Watch |
| Requires iOS | 10.0 — better | 12.1 |
| Further details — not scored | ||
| Size | 28 MB | 18 MB |
| Age rating | 4+ | 4+ |
| Developer | Le Thi Thanh Binh | Red Sprite Studios |
Customer experience
Ninja Jump Challenge for Watch
Jupiter Attack
In-app purchases
Ninja Jump Challenge for Watch
No in-app purchases
Jupiter Attack
No in-app purchases
Questions
Is Ninja Jump Challenge for Watch free?
Is Jupiter Attack free?
Which has better reviews, Ninja Jump Challenge for Watch or Jupiter Attack?
Do Ninja Jump Challenge for Watch or Jupiter Attack have ads?
Which is updated more often, Ninja Jump Challenge for Watch or Jupiter Attack?
Other comparisons
