Comparison

HiLow Gem Quests vs Skull Up

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

Head to head
About

HiLow Gem Quests

A casual card game where players guess if the next card will be higher or lower. Earn gem power through quests and gain abilities to navigate the deck. Aim to achieve a gold star on every level.

Highlights
  • Higher or lower card prediction gameplay
  • Earn gem power from quests
  • Strategic ability acquisition
  • Level-based progression
  • Gold star achievement system
Features
Read full description

SO SIMPLE TO PLAY... OR IS IT? Do you think the next card will be higher or lower? That’s all you need to decide to get started in this casual game for iPhone and iPad. Earn gem power from quests that will make you think carefully about which card might be coming next. Will you be better off going against the odds this time to earn green power? Are you guessing fast enough to earn orange? Gain abilities as you play that will allow you to navigate the deck to suit the current situation. Try to earn a gold star on each level!

About

Skull Up

Embark on an epic journey from a rookie skull to the Skull King. Collect and evolve over 60 unique characters, manage resources through idle gameplay, and strategize with diverse team combinations. Join guilds and uncover hidden treasures in endless underworld adventures.

Highlights
  • Collect over 60 unique Skellies
  • Idle management with abundant rewards
  • Unlock multiple adventures
  • Join a guild and fight with allies
  • Loss-free progression system
  • Strategic team combinations
  • Offline resource gathering
Features
Read full description

[Game Features] Even a rookie skull can become the Skull King! In Skull Up, you will rise from the bottom to the throne: collect over 60 Skellies to form your unique teams, enjoy idle management with abundant rewards, and unlock multiple adventures. Come and unleash the power of the undead and evolve from a nobody into the Skull King! [Endless Fun, Underworld Adventures] A rookie skull uncovered hidden treasures! In Skull Up, you can amass massive resources through management gameplay, or defeat mighty enemies with smart strategies. Join a guild and fight alongside your bone buddies! More content await—nonstop excitement guaranteed! [Diverse Skellies, Boundless Power] Gather various Skellies during your path to becoming the King! During this adventure, you will encounter over 60 unique Skellies with distinct looks and abilities. With diverse designs, they can be switched between human and skull forms, who are your strongest bone allies! [Easy Progression, Loss-Free Growth] Power up your companions without pressure: The loss-free progress system allows you to upgrade any Skelly—the resources can be fully refunded. Experiment freely, optimize your team, and achieve rapid power spikes with no investment wasted. [Free Combinations, Smart Strategies] Level up nonstop and show the king’s edge! Unlock your strategic potential and assemble a bone-powered team. Whether breaking defenses or providing support, every Skelly hides unique strengths— deploy them wisely! [Idle Management, Effortless Rewards] Future king, this undead castle is yours! Assign skull workers to smelt, log, and mine—gain massive EXP and valuable resources even while offline and level up with ease! With an idle strategy system, victory comes effortlessly!

Screenshots

HiLow Gem Quests4 screens
Skull Up4 screens

Verdict

The call

The clearest difference is ratings volume: Skull Up at 1.8K against HiLow Gem Quests's 2. Skull Up also leads on update cadence (every 10 days vs every 6 weeks). HiLow Gem Quests's advantage is rating (5.0 vs 4.7). On price, ads, in-app purchases 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

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. HiLow Gem Quests sells 1 one-off in-app purchase and Skull Up sells 11 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.

ReceptionRating · Positive reviews · Number of ratings

HiLow Gem Quests holds the better App Store score, 5.0 against 4.7. That said, the two scores are not equally well evidenced: Skull Up has 1.8K ratings behind it against 2, so its average is the more settled of the two.

UpkeepUpdate frequency

HiLow Gem Quests ships an update every 6 weeks, Skull Up every 10 days. The most recent releases landed on October 18, 2026 and October 28, 2026 respectively.

Scorecard3 real differences · 7 level
HiLow Gem Quests versus Skull Up: the parameters behind the verdict, then further details
ParameterHiLow Gem QuestsSkull Up
PriceFreeFree
Rating5.0 (2 ratings) — better4.7 (1.8K ratings)
Positive reviews—41.0% of reviews
Number of ratings21.8K — better
Update frequencyEvery 6 weeksEvery 10 days — better
AdsNoNo
In-app purchasesYesYes
MonetizationFree with in-app purchasesFree with in-app purchases
DevicesiPhone, iPadiPhone, iPad, iPod — better
Requires iOS16.015.6 — better
Further details — not scored
Size11 MB201 MB
Age rating4+12+
DeveloperDaniel GuentherEFUN PIONEER COMPANY LIMITED

Customer experience

HiLow Gem Quests

All ratings2 ratings
Positive100.0%
Neutral0.0%
Negative0.0%

Skull Up

All ratings1,753 ratings
Positive92.6%
Neutral1.8%
Negative5.6%
Written reviews183 reviews
Positive41.0%
Neutral7.7%
Negative51.4%

In-app purchases

1 purchases

HiLow Gem Quests

One-time1
  • Bypass Quest Ads$2.99
11 purchases

Skull Up

One-time11
  • USD0.99Pack$0.99
  • USD1.99Pack$1.99
  • USD2.99Pack$2.99
Show 8 more
  • USD4.99Pack$4.99
  • USD6.99Pack$6.99
  • USD9.99Pack$9.99
  • USD14.99Pack$14.99
  • USD19.99Pack$19.99
  • USD25.99Pack$25.99
  • USD29.99Pack$29.99
  • USD49.99Pack$49.99

Questions

Is HiLow Gem Quests free?
HiLow Gem Quests is free to download, with in-app purchases available.
Is Skull Up free?
Skull Up is free to download, with in-app purchases available.
Which has better reviews, HiLow Gem Quests or Skull Up?
HiLow Gem Quests is rated higher. HiLow Gem Quests averages 5.0 out of 5 from 2 ratings, while Skull Up averages 4.7 from 1.8K ratings.
Do HiLow Gem Quests or Skull Up have ads?
Neither HiLow Gem Quests nor Skull Up shows ads.
Which is updated more often, HiLow Gem Quests or Skull Up?
HiLow Gem Quests ships an update every 6 weeks, and Skull Up every 10 days. Most recently, HiLow Gem Quests was updated on October 18, 2026 and Skull Up on October 28, 2026.

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