Comparison

RGB+ vs Woojong 1

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

Head to head
About

RGB+

This puzzle game challenges players to combine primary colors (Red, Green, Blue) to create secondary colors (Cyan, Magenta, Yellow) and eventually White. Utilize familiar sliding block mechanics to clear the grid and achieve high scores.

Highlights
  • Additive RGB color model gameplay
  • Sliding block puzzle mechanics
  • Combine primary colors to make secondary
  • Create white by combining secondary colors
  • Leaderboard and high score sharing
  • Minimalist design
Features
Read full description

Swipe up, down, left and right to move all the color circles. But be aware, this is not a 2048 clone. You are NOT matching numbers or colors here. Gameplay is based on the additive RGB Color Model. In RGB+ you add primary colors together - Reds, Greens and Blues - to make secondary colors. Cyans, Magentas and Yellows are secondary colors that when combined equal White. After every swipe a Red, Green, or Blue circle randomly appears on the grid. To help you score big and clear the grid, combine White circles with one another. Rack up a high score until there are no moves left. FEATURES: Minimalist design Fresh theme and gameplay Familiar sliding block puzzle mechanics Leaderboard Share highscores Special Thanks to Thomas Young, Hermann Helmholtz and James Clerk Maxwell. RGB+ is fresh take on the sliding block puzzle genre made popular by Threes and 2048.

About

Woojong 1

Features
Read full description

Woojong 1 is the virtual-box packing game. Empty boxes can be packed with numbers. There are easy, medium and hard mode. The next number is shown one at a time from the virtual number warehouse. A player can put the number only from left to right of each box. Everytime a cell of the box is filled in the specific way, one score is earned and the cell turns to green. The specific way is numerically ascending or numerically descending way. For example, if a 3-cells box was packed in the order of 3, 4, 9 or 7, 2, 1, three scores are earned. Each game mode has its own winning goal. 18 game modes in total are ready. '3x3 m.' means three (boxes) by three (cells) and medium."

Screenshots

RGB+4 screens
Woojong 14 screens

Verdict

The call

The clearest difference is iOS requirement: RGB+ at 8.0 against Woojong 1's 15.5. On price, update cadence, ads and in-app purchases 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. Neither carries in-app purchases, so what you see is what you pay.

UpkeepUpdate frequency

RGB+ ships an update every 11 months, Woojong 1 every 18 months. The most recent releases landed on October 23, 2026 and October 25, 2026 respectively.

Scorecard1 real difference · 9 level
RGB+ versus Woojong 1: the parameters behind the verdict, then further details
ParameterRGB+Woojong 1
PriceFreeFree
Rating4.7 (12 ratings) — better—
Positive reviews75.0% of reviews—
Number of ratings12 — better—
Update frequencyEvery 11 months — betterEvery 18 months
AdsNoNo
In-app purchasesNoNo
MonetizationFree—
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS8.0 — better15.5
Further details — not scored
Size63 MB3 MB
Age rating4+4+
DeveloperEmil MirzaianWoojong Son

In-app purchases

None

RGB+

No in-app purchases

None

Woojong 1

No in-app purchases

Questions

Is RGB+ free?
RGB+ is free to download, with no in-app purchases.
Is Woojong 1 free?
Woojong 1 is free to download, with no in-app purchases.
Do RGB+ or Woojong 1 have ads?
Neither RGB+ nor Woojong 1 shows ads.
Which is updated more often, RGB+ or Woojong 1?
RGB+ ships an update every 11 months, and Woojong 1 every 18 months. Most recently, RGB+ was updated on October 23, 2026 and Woojong 1 on October 25, 2026.

Other comparisons