Comparison

Junk Jack vs Galaxy Genome

Price, ratings, monetisation and update history for both games, side by side — with what reviewers say about each.

Head to head
About

Junk Jack

Explore, build, and survive in procedurally generated 2D worlds. This sandbox adventure offers creative building, combat, and exploration across multiple planets, with options for both single-player and multiplayer experiences.

Highlights
  • Procedurally generated worlds
  • Multiplayer support
  • Creative mode
  • Extensive equipment system
  • Adventure mode across multiple planets
  • Electronics engine for complex creations
  • Farming system
Features
Read full description

Welcome to Junk Jack! It is a 2D sandbox where you can explore, build and survive in randomly generated procedural worlds, full of monsters, hidden treasures and beautiful landscapes, now even in multiplayer with friends! * Chosen by the AppStore as one of the #BestOf2013 crafting games in 9 countries! * We are glad to deliver you the best Junk Jack experience ever imagined! A sequel which brings the game to a whole new level with multiplayer, multiple planets, creative mode, liquids, plenty of equipment to customize your character and much more! Plus all the features you loved from Junk Jack Retro (and, we hope, less features you hated!) This is not a freemium game, buy it once and enjoy the full game experience! Features: - local multiplayer up to 4 players and online multiplayer up to 2 players - a creative mode to unleash your creativity and build everything you can imagine - a fully featured equip system with more than 400 different wearable items to enhance your adventures or just to make your friends envy! - polished pixel graphics, full retina support - combat Uber Mobs and obtain their loot by destroying rare world altars! - a fully fledged electronics engine allows the creation of complex widgets, even complete CPUs! - tenths of wonderful music tracks by Bright Primate - intuitive controls: swipe to move and tap to interact with everything - an adventure mode that will let you travel between 12 multiple planets with different and intriguing environments - liquids to enhance or impede your explorations: avoid dangerous lava or go for a swim in a surface lake! - infinite procedurally generated worlds to make every adventure always different - a dynamic day/night cycle that blends with wonderful skies in parallax - a vibrant coloured lighting engine that will make you enjoy every minute spent in Junk Jack worlds - character customization, you can play also as a female! - a rewarding exploration thanks to treasure chests full of cool things - tamable dogs, cats and many other animals that will follow you around - more than 1000 crafts to be built - more than 2000 treasures - more than 440 placeable items - more than 270 different creatures and monsters - explosives, shelves, signs, dyes and all the features you liked in Junk Jack Retro - a complete farming system with more than 70 plants, even many alien and exotic plants - an in game guide that will teach you how to play - two ways of crafting to accommodate even needs of casual users This is just the beginning, we already have many ideas for the next updates! For every issue just contact us on our forum at forum.pixbits.com

About

Galaxy Genome

Embark on an open-world sci-fi adventure as a space pilot. Explore a vast, scientifically accurate Milky Way, customize your ship, and choose your path as a trader, pirate, or explorer. Engage in combat, smuggling, and mining while following a compelling story or undertaking side missions.

Highlights
  • Open-world sci-fi space simulator
  • Ship customization and upgrades
  • Explore a 1:1 scale Milky Way galaxy
  • Free-form play with multiple roles
  • Vibrant story and side quests
  • Surface vehicles for planet exploration
Read full description

Galaxy Genome is an open world sci-fi space simulator. You'll be able to upgrade your ship and customize every component as you hunt, explore, fight, mine, smuggle, trade and survive in the cutthroat galaxy. Follow the main story or do side missions. This game gives you the ability to feel real space exploration. The entirety of the Milky Way re-created at its full galactic proportions. At the beginning of the game you are a pilot of a small ship. Financial struggle forces you to start transporting contraband. Certainly, it will lead to you being in trouble with the law someday. But at some point in your life you are forced to make a deal with the authorities of the system. And that is when your dangerous space adventure begins. Game Features: - Free-form play allows everyone to choose their own path, becoming an angry pirate, a peaceful trader, an explorer, a bounty hunter, or a mix between these roles. - More than 30 different and customizable ships. - The game has a vibrant story and side quests. - Surface vehicles to explore planets. - No classes or skill levels, strength is decided by ship equipment and player skill. - The vast 1:1 scale Milky Way galaxy is based on real scientific principles. Around 2 billion star systems.

Screenshots

Junk Jack4 screens
Galaxy Genome4 screens

Verdict

The call

The clearest difference is in-app purchases: Galaxy Genome at none against Junk Jack's 11. Galaxy Genome also leads on update cadence (every 5 weeks vs every 3 months) and price ($3.99 vs $4.99). Junk Jack's advantage is ratings volume (471 vs 114) and iOS requirement (9.0 vs 13.4). On rating, review sentiment, ads 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

CostPrice · In-app purchases · Ads · Monetization

Junk Jack costs $4.99 and Galaxy Genome $3.99 up front. Junk Jack sells 11 one-off in-app purchases. Galaxy Genome asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

On the App Store both sit at effectively the same score — 4.4 for Junk Jack against 4.4 for Galaxy Genome. Both are backed by a comparable volume of ratings — 471 and 114 respectively. Written reviews are what separate them: 78% of Junk Jack's written reviews are positive against 75% of Galaxy Genome's.

UpkeepUpdate frequency

Junk Jack ships an update every 3 months, Galaxy Genome every 5 weeks. The most recent releases landed on September 25, 2026 and September 24, 2026 respectively.

Scorecard6 real differences · 4 level
Junk Jack versus Galaxy Genome: the parameters behind the verdict, then further details
ParameterJunk JackGalaxy Genome
Price$4.99$3.99 — better
Rating4.4 (471 ratings)4.4 (114 ratings)
Positive reviews78.0% of reviews — better75.0% of reviews
Number of ratings471 — better114
Update frequencyEvery 3 monthsEvery 5 weeks — better
AdsNoNo
In-app purchasesYesNo — better
MonetizationPaidFree — better
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS9.0 — better13.4
Further details — not scored
Size67 MB100 MB
Age rating4+12+
DeveloperPixbits SRLAnton Skvortsov

Customer experience

Junk Jack

All ratings471 ratings
Positive82.8%
Neutral5.7%
Negative11.5%
Written reviews764 reviews
Positive78.0%
Neutral6.4%
Negative15.6%

Galaxy Genome

All ratings114 ratings
Positive80.7%
Neutral9.6%
Negative9.6%
Written reviews116 reviews
Positive75.0%
Neutral13.8%
Negative11.2%

User reviews

Junk Jack

From 471 App Store ratings

What we love

  • 🚀 Awesome game
  • 🚀 Great sandbox experience
  • 🚀 Tons of content
  • 🚀 Nostalgic
  • 🚀 Addictive gameplay

Room to improve

  • 🐛 Crashes and glitches
  • 🐛 Multiplayer issues
  • 🐛 Inventory/crafting bugs
  • 🔋 Performance issues on older devices
  • 🔒 Lack of cloud/cross-device save support

Galaxy Genome

From 114 App Store ratings

What we love

  • 🚀 Massive explorable galaxy with procedurally generated systems
  • 💎 No pay-to-play mechanics or paywalls
  • 🎮 Deep gameplay with trading, combat, mining, and exploration
  • 📱 Excellent value for mobile space sim
  • 🎯 Active developer with regular updates and community engagement

Room to improve

  • 🐛 Frequent crashes, especially when accessing mission menu
  • 📚 Steep learning curve with minimal tutorial guidance
  • 🐢 Tedious travel time through large spaces
  • 🎮 Unintuitive flight controls and ship deceleration
  • 🗺️ Confusing route mapping and pathfinding issues

Bugs and requests

Junk Jack

Reported bugs

5 issues
  • Crashes when joining multiplayer
  • Inventory items disappearing
  • Crafting recipes not working
  • Compatibility issues with newer iOS versions
  • Multiplayer desync and desyncing

Requested features

5 requests
  • Controller support
  • More planets/biomes
  • NPC/civilization features
  • Expanded crafting/progression
  • Taming/breeding mechanics

Galaxy Genome

Reported bugs

16 issues
  • Game crashes when accessing mission menu
  • Game crashes when attempting warp jump with space station
  • Chinese characters display as blocks
  • Autopilot overshoots destinations
  • Module list cannot be scrolled when modules are disabled
Show 11 more
  • Mission rewards not calculating correctly with large fleets
  • Debris accumulation causes crashes if staying in system too long
  • Save files showing 0:00:00 playtime after crashes
  • Loading screen freezes on M1 iPad Pro
  • Virtual joystick not appearing in tutorial
  • Game crashes on older devices (iPhone 6, iPhone 10)
  • Landscape mode system menus remain in portrait orientation
  • Reputation system bugs preventing mission acceptance
  • Tutorial missions freezing and preventing progression
  • Pathfinding algorithm fails on optimal routes
  • Search function case-sensitive and returns only one result

Requested features

20 requests
  • Controller support (Xbox, Backbone)
  • Multiplayer or co-op gameplay
  • Ability to build and control space stations
  • Fleet management improvements
  • Save editing or money cheats for progression
Show 15 more
  • Galaxy map resource search filter
  • System naming and bookmarking features
  • More engineers for ship upgrades
  • Mod support on iOS
  • Better tutorial with highlighted interactive elements
  • Wiki or comprehensive in-game documentation
  • Portrait mode option
  • Reverse landscape mode
  • Quick-link from missions to galaxy map
  • Total light-years traveled tracker
  • More ship variety, especially for factions
  • Ability to disable ships and board them
  • Station conquest mechanics
  • Rank/reputation system with titles
  • Faster travel or acceleration options

In-app purchases

11 purchases

Junk Jack

One-time11
  • Breeding Hat$0.99
  • Extended Day$0.99
  • Complete Craftbook$0.99
Show 8 more
  • Dark Ninja$0.99
  • Mining Helmet$0.99
  • Hatcher Hat$0.99
  • Santa Hat$0.99
  • Chemistry Book$0.99
  • Pocket Pug$0.99
  • Legendary Pole$0.99
  • Instant Planets$1.99
None

Galaxy Genome

No in-app purchases

Questions

Is Junk Jack free?
Junk Jack costs $4.99, and also offers in-app purchases.
Is Galaxy Genome free?
Galaxy Genome costs $3.99, with no in-app purchases.
Which has better reviews, Junk Jack or Galaxy Genome?
Junk Jack and Galaxy Genome are both rated 4.4 out of 5 on the App Store, from 471 and 114 ratings respectively.
Do Junk Jack or Galaxy Genome have ads?
Neither Junk Jack nor Galaxy Genome shows ads.
Which is updated more often, Junk Jack or Galaxy Genome?
Junk Jack ships an update every 3 months, and Galaxy Genome every 5 weeks. Most recently, Junk Jack was updated on September 25, 2026 and Galaxy Genome on September 24, 2026.

Other comparisons