# Jupiter Attack vs ArcEmu

The clearest difference is review sentiment: ArcEmu at 95% against Jupiter Attack's 40%. ArcEmu also leads on rating (4.9 vs 4.5) and update cadence (every 2 weeks vs every 2 months). Jupiter Attack's advantage is chart position (#13 vs unranked) and iOS requirement (12.1 vs 15.5). On price, ads, in-app purchases and monetization model there is nothing between them.

Jupiter Attack costs $1.99 and ArcEmu $1.99 up front. Neither carries in-app purchases, so what you see is what you pay.

ArcEmu holds the better App Store score, 4.9 against 4.5. Both are backed by a comparable volume of ratings — 383 and 1.3K respectively. Written reviews point the same way: 40% of Jupiter Attack's written reviews are positive against 95% of ArcEmu's.

Jupiter Attack ships an update every 2 months, ArcEmu every 2 weeks. The most recent releases landed on September 29, 2026 and September 30, 2026 respectively.

## The numbers

| Metric | Jupiter Attack | ArcEmu |
| --- | --- | --- |
| Price | $1.99 | $1.99 |
| Rating | [4.5 (383 ratings)](https://appshunter.io/ios/app/jupiter-attack/id1475755775/reviews) | **[4.9 (1.3K ratings)](https://appshunter.io/ios/app/arcemu/id6496282733/reviews)** |
| Number of ratings | 383 | **1.3K** |
| Positive reviews | 40.0% of reviews | **94.5% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 2 weeks** |
| Monetization | Free | Free |
| Best chart rank | **#13** | — |
| Size | 18 MB | 172 MB |
| Requires iOS | **12.1** | 15.5 |
| Devices | iPhone, iPad, iPod, Apple Watch | **iPhone, iPad, iPod, Apple TV, Apple Watch** |
| Age rating | 4+ | 4+ |
| Developer | [Red Sprite Studios](https://appshunter.io/developer/493770851) | [Raffaele D'Amato](https://appshunter.io/developer/529947655) |

## What reviewers say

### Jupiter Attack

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

**Currently charting:** #13 Top Paid · Casual, #47 Top Paid · Action, #141 Top Paid · Games (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


### ArcEmu

[App page](https://appshunter.io/ios/app/arcemu/id6496282733)

Experience retro gaming on your Apple Watch, iPhone, and iPad. This emulator supports Game Boy, Game Boy Color, and Game Boy Advance cartridges. Enjoy features like multiplayer, cheats, and customizable controls.

**Highlights:** Game Boy, GBC, GBA emulation, Multiplayer support, Cheat codes, Customizable on-screen controls, Save State sharing, iCloud support

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

**In-app purchases:** none

**What reviewers like**

- 🚀 Fully functional
- 🚀 Impressive emulation on Apple Watch
- 👍 Great emulator for both phone and watch
- 👍 Seamless save state transfer between devices
- 👍 Customizable controls and layout

**What reviewers complain about**

- 🐛 Compatibility issues with some games
- 🐛 Audio quality problems on certain games
- 👎 Limited functionality on Apple Watch
- 👎 Difficult controls for action-heavy games on watch

**Reported bugs**

- Occasional crashes
- Graphical glitches with certain ROMs
- Save data not transferring properly between devices

**Requested features**

- Add cheat/GameShark support
- Improve volume controls
- Implement fast forward/slow motion options
- Allow multiple save slots per game
- Improve Game Boy Color support


## Frequently asked questions

### Is Jupiter Attack free?

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

### Is ArcEmu free?

ArcEmu costs $1.99, with no in-app purchases.

### Which has better reviews, Jupiter Attack or ArcEmu?

ArcEmu is rated higher. Jupiter Attack averages 4.5 out of 5 from 383 ratings, while ArcEmu averages 4.9 from 1.3K ratings.

### Do Jupiter Attack or ArcEmu have ads?

Neither Jupiter Attack nor ArcEmu shows ads.

### Which is updated more often, Jupiter Attack or ArcEmu?

Jupiter Attack ships an update every 2 months, and ArcEmu every 2 weeks. Most recently, Jupiter Attack was updated on September 29, 2026 and ArcEmu on September 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.*