Comparison

Block King vs OJ Memory

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

Head to head
About

Block King

Features
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Block King is a colorful block puzzle for calm breaks and clever planning. Drag cube shapes onto the grid, then complete rows or columns to clear space. Think ahead, set up combos, and keep the board open as you chase a new high score. PLAY YOUR WAY • Simple drag-and-drop play • Colorful blocks and satisfying clears • Quick sessions or longer score runs • Race a visible countdown for a quicker challenge • Collect gems while you clear the board • Build combos and improve your personal best Take a breath, place the next piece, and see how long you can keep the board clear.

About

OJ Memory

Features
Read full description

OJ Memory is a simple and colorful memory game for kids ages 3–9. It is designed to be easy to understand, quick to start, and fun to play again and again. Kids can choose from Vehicles, Space, Sports, Animals, Food, and Plush Toys, select the number of cards, turn over two cards at a time, and try to find matching pictures. The game features clear images, calm transitions, and a leaderboard for every level so the family can follow progress. Six categories with 15 clear pictures in each Multiple difficulty levels with different numbers of cards A leaderboard for every level Medals for 1st–3rd place A record celebration when the player beats the best time Optimized for iPhone, iPad No ads No sign-in No in-app purchases No data stored outside the device OJ Memory is especially well suited to younger children who want to practice memory, recognition, and concentration in a safe and uncluttered game.

Screenshots

Block King4 screens
OJ Memory4 screens

Verdict

The call

The clearest difference is in-app purchases: OJ Memory at none against Block King's 1. OJ Memory also leads on ads (none vs shown) and update cadence (every 2 days vs every 8 days). Block King's advantage is iOS requirement (15.0 vs 26.0). 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

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. Block King sells 1 one-off in-app purchase. OJ Memory asks for nothing beyond the download.

UpkeepUpdate frequency

Block King ships an update every 8 days, OJ Memory every 2 days. The most recent releases landed on September 30, 2026 and October 2, 2026 respectively.

Scorecard4 real differences · 2 level
Block King versus OJ Memory: the parameters behind the verdict, then further details
ParameterBlock KingOJ Memory
PriceFreeFree
Update frequencyEvery 8 daysEvery 2 days — better
AdsYesNo — better
In-app purchasesYesNo — better
DevicesiPhone, iPad, iPod — betteriPhone, iPad
Requires iOS15.0 — better26.0
Further details — not scored
Size71 MB112 MB
Age rating9+4+
DeveloperQuestar GamesJonas Hedberg

In-app purchases

1 purchases

Block King

One-time1
  • Unlock No Ads$4.99
None

OJ Memory

No in-app purchases

Questions

Is Block King free?
Block King is free to download, with in-app purchases available.
Is OJ Memory free?
OJ Memory is free to download, with no in-app purchases.
Do Block King or OJ Memory have ads?
Block King shows ads; OJ Memory does not.
Which is updated more often, Block King or OJ Memory?
Block King ships an update every 8 days, and OJ Memory every 2 days. Most recently, Block King was updated on September 30, 2026 and OJ Memory on October 2, 2026.

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