Comparison

K vs Weld Force

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

Head to head
About

K

An idle RPG where K-Pop idol groups battle monsters in another dimension. Enjoy high-quality K-Pop music as your characters grow and strategize with skill cards. Uncover dimensional secrets and save the world.

Highlights
  • Idle RPG gameplay
  • High-quality K-Pop BGM
  • Offline character growth
  • Strategic skill card system
  • Dimensional monster battles
  • Uncover secrets
Features
Read full description

Enjoy high-quality K-Pop while playing! The ultimate idle RPG. Why did 5 idol groups become Dimension Slayers? Monsters pouring in instead of stage lights! 5 top-tier K-Pop idol groups are suddenly summoned to a dimensional battlefield. Why did they have to trade their microphones for weapons and become "Dimension Slayers"? The stage heading towards the massive secret hidden within the dimensional rift begins now! *Your Personal K-Pop Concert! Unlimited BGM Leave the game on and enjoy a continuous stream of high-quality K-Pop tracks! Treat your eyes to dazzling combat and your ears to exciting music. The ultimate sensory experience! *Listen to Music and Grow Fast! (Ultimate Idle System) Busy with daily life? Just enjoy the music and let the game do the rest! Experience stress-free, rapid growth with massive offline rewards. While you vibe to the beat, your characters level up effortlessly. *Strategic Skill Cards: Your Choice Matters! It's not just about watching. Choosing the right "Skill Card" at the perfect moment is the key to victory! Wipe out endless waves of dimensional monsters with your brilliant strategic card picks. Step onto the stage today, uncover the secrets of the dimensions, and save the world! **This game does not require an internet connection except for the initial resource download on first launch and the leaderboard feature. **The K-Pop songs included in the game can be permanently owned and enjoyed within the game. EULA : https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

About

Weld Force

Features
Read full description

Forge. Merge. Command. Welcome to Weld Force — a game where steel, fire, and smart decisions turn a small workshop into a powerful industrial empire. If you enjoy merge games but want something deeper, more strategic, and packed with mechanical style, you’re in the right place. In Weld Force, everything starts simple. A few basic mechanical units. A small production area. Limited resources. But with every merge, every upgrade, and every smart choice, your factory grows stronger. What begins as a rough steel operation slowly transforms into a massive automated war machine. The core of the game is merging. You combine identical items to create stronger, more advanced versions. A small combat drone becomes a tactical mech. A basic machine evolves into a heavy industrial war unit. Watching your creations grow from simple metal shells into powerful mechanical forces is incredibly satisfying. Your factory is the heart of everything. You expand production lines, unlock better assembly systems, and upgrade your infrastructure so it runs faster and smoother. The more efficient your factory becomes, the more advanced units you can build. Smart layout decisions and timing make a real difference. As your technology improves, new tiers unlock. Early on, you’re working with basic fabrication tools and raw steel. Later, you’ll manage advanced alloys, automated assembly systems, and high-powered energy cores. Visually and mechanically, your empire evolves. What once looked like a scrapyard workshop becomes a glowing, high-tech industrial complex. Outside your factory walls, there’s a world full of opportunity and danger. You deploy your welded forces to secure new sectors, gather rare materials, and defeat hostile mechanical threats. Battles run automatically, but your preparation determines the outcome. Stronger units, better upgrades, and smarter merges mean victory. Weld Force also rewards long-term thinking. Managing resources, energy, and production speed becomes increasingly important. A powerful army means nothing if your factory can’t sustain it. The deeper you go, the more strategic the game becomes. There are special events and challenges that push your factory to its limits. Limited-time operations give you chances to earn rare blueprints and unique upgrades. Competitive players can climb leaderboards and prove their production skills against others. Whether you prefer short play sessions or deep strategic planning, Weld Force adapts to your style. You can log in for quick merges and upgrades, or spend time optimizing your entire production chain for maximum efficiency. Progress continues even when you’re offline, so your factory never truly stops working. Weld Force combines the addictive simplicity of merge mechanics with the depth of industrial strategy. It’s easy to start, but there’s always room to grow, optimize, and improve. Every merge makes you stronger. Every upgrade makes you faster. Every decision shapes your mechanical empire. Power isn’t found — it’s built.

Screenshots

K4 screens
Weld Force4 screens

Verdict

The call

K and Weld Force are too close to call on the numbers: across 6 compared parameters — price, update cadence, ads and in-app purchases among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

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. K sells 10 in-app purchases, starting at $4.99 per month and Weld Force sells 6 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.

UpkeepUpdate frequency

K ships an update fortnightly, Weld Force every 3 weeks. The most recent releases landed on October 24, 2026 and October 16, 2026 respectively.

ScorecardNo meaningful differences
K versus Weld Force: the parameters behind the verdict, then further details
ParameterKWeld Force
PriceFreeFree
Rating5.0 (1 ratings) — better—
Positive reviews100.0% of reviews—
Number of ratings1 — better—
Update frequencyFortnightly — betterEvery 3 weeks
AdsYesYes
In-app purchasesYesYes
MonetizationFree with in-app purchases—
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS15.015.0
Further details — not scored
Size408 MB486 MB
Age rating12+9+
DeveloperVRillAR Co., Ltd.Gyreberg Limited

In-app purchases

10 purchases

K

Subscriptions2
  • Basic Monthly Reward (30d)$4.991 Month
  • Special Monthly Reward (30d)$10.991 Month
One-time8
  • Gem 1$0.99
  • Event Pack 1$0.99
  • Event Pack 2$4.99
Show 5 more
  • Event Pack 3$9.99
  • Event Line Reward$14.99
  • Event Pack 4$19.99
  • Permanent Reward$39.99
  • Event Pack 5$49.99
6 purchases

Weld Force

One-time6
  • Find Your Style$1.99
  • Signature Looks$4.99
  • Super Chic$9.99
Show 3 more
  • Fashion Forward$19.99
  • High Fashion$49.99
  • In Vogue$99.99

Questions

Is K free?
K is free to download, with in-app purchases available.
Is Weld Force free?
Weld Force is free to download, with in-app purchases available.
Do K or Weld Force have ads?
Both K and Weld Force show ads.
Which is updated more often, K or Weld Force?
K ships an update fortnightly, and Weld Force every 3 weeks. Most recently, K was updated on October 24, 2026 and Weld Force on October 16, 2026.

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