Junk Jack vs Siralim Ultimate
Price, ratings, monetisation and update history for both games, side by side — with what reviewers say about each.
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.
- Procedurally generated worlds
- Multiplayer support
- Creative mode
- Extensive equipment system
- Adventure mode across multiple planets
- Electronics engine for complex creations
- Farming system
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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
Siralim Ultimate
Embark on an epic monster-catching adventure in this deep RPG. Collect over 1200 unique creatures, fuse them to create powerful offspring, and explore procedurally generated dungeons. Customize your castle, engage in strategic battles, and craft powerful gear for thousands of hours of gameplay.
- 1200+ creatures to collect
- Creature fusion system
- Randomly generated dungeons
- Castle customization
- Strategic 6v6 battles
- Artifact and Spell Gem crafting
- Character specialization
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Siralim Ultimate is a monster-catching, dungeon-crawling RPG with a ridiculous amount of depth. Summon over 1200 different creatures and travel through randomly generated dungeons to acquire resources, new creatures, and loot. If you’re looking to compare Siralim Ultimate to other games, you might think of it as Pokemon meets Diablo, or more accurately, Dragon Warrior Monsters meets Path of Exile. FEATURES • 1200+ creatures to collect • Fuse your creatures together - the offspring inherits its parents’ stats, traits, and even the way they look! • Randomly generated dungeons spanning 30 unique tilesets • Customize your castle with thousands of different decorations • Engage in strategic 6v6 battles • Craft Artifacts and Spell Gems for your creatures • Choose from one of 40 specializations for your character and earn perks that change the way your creatures fight in battle • Insane amount of post-story content that will keep you engaged for thousands of hours (yes, really!) • Supports gamepads! • Cross-platform cloud saving allows you to pick up where you left off with the desktop version of the game or simply another mobile device. • No ads, no IAPs, no timers, no gimmicks! You don't even need to be connected to the internet to play.
Screenshots
Verdict
The clearest difference is in-app purchases: Siralim Ultimate at none against Junk Jack's 11. Siralim Ultimate also leads on update cadence (weekly vs every 3 months) and rating (4.7 vs 4.4). Junk Jack's advantage is price ($4.99 vs $9.99) and iOS requirement (9.0 vs 13.0). On review sentiment, ratings volume, ads and monetization model 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
Junk Jack costs $4.99 and Siralim Ultimate $9.99 up front. Junk Jack sells 11 one-off in-app purchases. Siralim Ultimate asks for nothing beyond the download.
Siralim Ultimate holds the better App Store score, 4.7 against 4.4. Both are backed by a comparable volume of ratings — 472 and 240 respectively. Written reviews complicate that: 78% of Junk Jack's written reviews are positive against 74% of Siralim Ultimate's, so the app with the better star average is not the one people write more warmly about.
Junk Jack ships an update every 3 months, Siralim Ultimate weekly. The most recent releases landed on October 26, 2026 and October 27, 2026 respectively.
| Parameter | Junk Jack | Siralim Ultimate |
|---|---|---|
| Price | $4.99 — better | $9.99 |
| Rating | 4.4 (472 ratings) | 4.7 (240 ratings) — better |
| Positive reviews | 77.9% of reviews — better | 73.7% of reviews |
| Number of ratings | 472 — better | 240 |
| Update frequency | Every 3 months | Weekly — better |
| Ads | No | No |
| In-app purchases | Yes | No — better |
| Monetization | Paid | Paid |
| Best chart rank | — | #34 — better |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 9.0 — better | 13.0 |
| Further details — not scored | ||
| Size | 67 MB | 1.0 GB |
| Age rating | 4+ | 12+ |
| Developer | Pixbits SRL | Thylacine Studios |
Customer experience
Junk Jack
Siralim Ultimate
User reviews
Junk Jack
From 472 App Store ratingsWhat 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
Siralim Ultimate
From 240 App Store ratingsWhat we love
- 🎮 Exceptional depth and complexity in gameplay mechanics
- 💰 Complete game with zero microtransactions
- 🔄 Virtually unlimited replayability and content
- 🧩 Incredible customization options for teams and builds
- ⏱️ Hundreds of hours of engaging content
Room to improve
- 🎮 Virtual controller controls feel unnatural and imprecise
- 🐛 Frequent crashes and stability issues on iOS
- 📱 Touch controls block important UI text
- ⌨️ Keyboard input detection problems
- 🎨 Outdated UI design resembling early 2000s apps
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
Siralim Ultimate
Reported bugs
11 issues- Game freezes on opening screen preventing gameplay
- Crashes when defeating False Gods and selecting anointments
- Crashes when gaining large amounts of experience
- Crashes when switching to different apps during battle
- Crashes when opening chests after boss battles
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- Save files disappearing without explanation
- Keyboard key detection not registering hold inputs
- Menu controls becoming invisible or unresponsive
- Update installation failures (version 2.0.38 to 2.0.4)
- Inconsistent joystick input detection on grid-based movement
- Game crashes every 30 minutes approximately
Requested features
9 requests- Native touch controls with tap-to-move functionality
- Controller support for external game controllers
- Automatic cloud backup system
- Portrait mode and one-handed play support
- Individual button size adjustment (not grouped)
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- French language localization
- Floating joystick option
- Wiki or in-game guide for mechanics
- Cosmetic skin shop for monetization support
In-app purchases
Junk Jack
- Breeding Hat$0.99
- Extended Day$0.99
- Complete Craftbook$0.99
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- 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
Siralim Ultimate
No in-app purchases
Questions
Is Junk Jack free?
Is Siralim Ultimate free?
Which has better reviews, Junk Jack or Siralim Ultimate?
Do Junk Jack or Siralim Ultimate have ads?
Which is updated more often, Junk Jack or Siralim Ultimate?
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