HackStack vs Mystic Beasts
Price, ratings, monetisation and update history for both games, side by side — with what reviewers say about each.
HackStack
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Build your hacking empire from nothing. HackStack is an idle clicker set in a cybersecurity underworld. You tap to run exploits, deploy tools that earn while you sleep, research new tech, and build out your rig. It's a cyberpunk parody of the infosec world with real hacking history baked into every corner. EXECUTE exploits to earn CREDS, your in-game currency. Start with a humble Port Scanner. End up running Neural Exploits and a Digital Consciousness. Every tool you deploy keeps earning even when you close the app. RESEARCH 24 tools across 6 categories. Each one comes with an intel card covering real cybersecurity history and lore. 177 cards to find. BUILD YOUR RIG. Upgrade your CPU, RAM, GPU, Storage, Cooling, and PSU. Better hardware means faster research and access to higher-tier tools. EARN CERTIFICATIONS across three branches: Offensive, Defensive, and Management. 23 certs, 69 tiers. They shape how you play and what you can unlock. SURVIVE BREACHES. Phishing attacks, ransomware, DDoS, insider threats. They show up unannounced, they mess with your income, and you need to deal with them fast. COMPLETE DAILY OPS for XP. Quick wins, standard missions, and challenge-tier operations. Something different every day. PRESTIGE when you're ready. Wipe your progress, earn Shadow Creds, buy permanent upgrades, and come back stronger. Free to play. No pay-to-win. Made by one developer who thought Cookie Clicker needed more firmware implants.
Mystic Beasts
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Evolve mystical creatures and explore beautiful celestial biomes in this relaxing idle merge game! Start with a tiny glowing spark and merge matching beasts to mutate them into higher-tier elementals. Manage elements like Fire, Water, Wind, Earth, Cosmic, and Deity, and unlock the legendary Infinity Deity! As your meadow grows, ascend through 12 unique biomes—including Volcanic Canyons, Crystal Caverns, Sky Sanctuaries, and Demonic Abysses. Each biome features its own stunning color palette and an evolving, procedurally generated ambient synth soundtrack. Watch out for mysterious Plague Outbreaks at higher levels! Balance elements, purchase upgrades, expand your meadow capacity, and cure infected beasts in a dynamic risk-reward loop. When you're ready, prestige to ascend to the next tier and customize your journey with powerful active Sanctuary buffs that multiply your essence generation. FEATURES: • Discover 15+ tiers of unique, glowing vector-styled beasts. • Explore 12 custom biomes, each with its own visual theme. • Evolving, relaxing ambient soundtracks customized for each biome. • Manage dynamic plague outbreaks with elemental medicine. • Choose powerful Sanctuary relics to supercharge your prestige loops. • Fast buy-back systems, offline tracking, and custom beastopedia lore. • 100% free indie game—no forced ads, no paywalls, just pure evolution.
Screenshots
Verdict
The clearest difference is in-app purchases: Mystic Beasts at none against HackStack's 4. Mystic Beasts also leads on ads (none vs shown) and update cadence (every 3 days vs weekly). On price 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
Both are free to download. HackStack sells 4 one-off in-app purchases. Mystic Beasts asks for nothing beyond the download.
HackStack ships an update weekly, Mystic Beasts every 3 days. The most recent releases landed on October 3, 2026 and October 15, 2026 respectively.
| Parameter | HackStack | Mystic Beasts |
|---|---|---|
| Price | Free | Free |
| Update frequency | Weekly | Every 3 days — better |
| Ads | Yes | No — better |
| In-app purchases | Yes | No — better |
| Devices | iPhone, iPad | iPhone, iPad, iPod — better |
| Requires iOS | 17.6 | 13.0 — better |
| Further details — not scored | ||
| Size | 68 MB | 40 MB |
| Age rating | 4+ | 4+ |
| Developer | Jacob Woodfield | SAMUEL JOHNSTON |
In-app purchases
HackStack
- Remove Banner Ads$2.99
- Remove Offline Ads$2.99
- Remove Ops Ads$2.99
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- Remove All Ads$6.99
Mystic Beasts
No in-app purchases
Questions
Is HackStack free?
Is Mystic Beasts free?
Do HackStack or Mystic Beasts have ads?
Which is updated more often, HackStack or Mystic Beasts?
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