One Fill vs Mallang Studio
Price, ratings, monetisation and update history for both games, side by side — with what reviewers say about each.
One Fill
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Game Features Leisure Time, Exercise Your Brain Whether you're on the commute, during a lunch break, or for a moment before bed, "One Fill" can be your perfect companion to kill time. In a relaxed and pleasant atmosphere, each level is a unique thinking puzzle that requires you to cleverly plan the line path—considering the overall layout while paying attention to the connection of details. When you successfully complete a pattern with a single stroke, the sense of accomplishment will instantly dispel fatigue, allowing your brain to get full exercise during leisure. Simple Lines, Endless Fun There are no complicated operations or dazzling special effects. Just simple lines can outline infinite fun. From basic geometric figures to creative and interesting patterns, each level is like a work of art waiting for you to complete. As the lines extend, you'll find that simplicity contains countless changes, and each attempt may bring new surprises. Plane Thinking, Divergent Thinking The game turns the plane space into a stage for thinking. Here, you need to break the routine, use divergent thinking, and try different problem-solving ideas. Each square is a node of thinking, and each line is a link of inspiration. In the process of continuous exploration, you'll exercise your logical thinking ability, cultivate spatial imagination, and discover that such a wonderful thinking feast can also be staged on a plane. Lots of Levels, Lots of Fun! The rich and varied level designs ensure that you can enjoy the game to the fullest. From simple entry-level to high-difficulty challenges, the difficulty increases gradually to meet the needs of different players. Each level is a new challenge. Whether you're a novice or a puzzle master, you can find your own fun and goals in "One Fill". Simple patterns, but not simple challenges! A single stroke can outline infinite possibilities. Come and try it to see how many levels you can pass and how many surprising patterns you can unlock! Let's feel the charm of thinking and enjoy the happiness of the game in every stroke!
Mallang Studio
Engage in a collection of 11 creative mini-games where you can decorate, press, and stretch soft 3D objects. Collect new parts, complete challenges, and share your creations with others. Enjoy satisfying ASMR sounds as you play.
- 11 decorating mini-games
- Collect new parts through challenges
- Save and share creations
- ASMR sound effects
- Non-personalized ads
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Decorate, press and stretch soft 3D trinkets — eleven little deco playsets in one app. ■ 11 deco minigames · Pen Deco — thread beads onto a ballpoint pen · Comb, Mirror & Diary Deco — gems and stickers on everyday things · Wax Squishy — seal it in wax, then tap to crack it open · Slime — pour colors and swirl them into marble · Keycap & Charm Keyrings — fidget keyrings that play a note when pressed · Mallang Pet — fill it up, then squeeze and squish it · Bakery & Ice Cream — pile toppings onto cream ■ Collect as you play · Win new parts from the claw machine, prize ring and 10-second challenge · Fill orders for five Mallang Friends and grow closer to them · Daily check-in plus daily and weekly challenges · Level up to hold and attach even more parts ■ Keep and share what you make · Save creations to your gallery and share them as images or GIFs · List them in the shop and trade with others using in-game coins ■ ASMR that sounds as good as it looks · Beads rolling, wax cracking, squishies squeezing No in-app purchases. Contains ads, shown as non-personalized only.
Screenshots
Verdict
The clearest difference is update cadence: Mallang Studio at every 5 days against One Fill's every 3 weeks. On price, ads, in-app purchases 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. Neither carries in-app purchases, so what you see is what you pay.
One Fill ships an update every 3 weeks, Mallang Studio every 5 days. The most recent releases landed on November 8, 2026 and November 6, 2026 respectively.
| Parameter | One Fill | Mallang Studio |
|---|---|---|
| Price | Free | Free |
| Positive reviews | — | 100.0% of reviews |
| Update frequency | Every 3 weeks | Every 5 days — better |
| Ads | Yes | Yes |
| In-app purchases | No | No |
| Monetization | — | Ad-supported |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 15.0 | 15.0 |
| Further details — not scored | ||
| Size | 93 MB | 297 MB |
| Age rating | 4+ | 4+ |
| Developer | 日波 丛 | BYOUNGGEOL CHO |
In-app purchases
One Fill
No in-app purchases
Mallang Studio
No in-app purchases









