Comparison

Arf Blocks 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

Arf Blocks

Read full description

Arf Blocks is a calm, offline block puzzle. Drag one of three pieces onto a 10×10 grid, fit them in, and clear full rows or columns to score. No ads. No tracking. No accounts. No in-app purchases. No sneaky microtransactions disguised as "coins". The game works with your device in airplane mode, and nothing you do ever leaves it. Fourteen piece shapes cycle through a weighted bag so the flow stays interesting — you get the shapes you need just often enough. Clear multiple lines at once for a growing bonus. When nothing fits, the game ends cleanly. Features • A 10×10 grid and fourteen classic puzzle shapes • Three pieces in the tray; choose your order • Exponential bonus for clearing multiple lines in a single placement • Game state saves automatically — pick up exactly where you left off • Full haptic feedback on placement and line clears • Dark, calm, distraction-free interface • Sound is off by default • Portrait on iPhone, all orientations on iPad • Works offline, always Privacy Arf Blocks collects nothing about you. There are no analytics, no crash reporters, no third-party SDKs, no identifiers sent anywhere. Your score and game state live only on your device. Read the full policy: https://arf-blocks.nl/privacy/ Support Questions, bugs, or feedback: arf-blocks@lambda-m.nl

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

Arf Blocks4 screens
OJ Memory4 screens

Verdict

The call

The clearest difference is update cadence: OJ Memory at every 2 days against Arf Blocks's fortnightly. Arf Blocks's advantage is iOS requirement (17.0 vs 26.0). 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

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

Arf Blocks ships an update fortnightly, OJ Memory every 2 days. The most recent releases landed on October 5, 2026 and October 2, 2026 respectively.

Scorecard2 real differences · 4 level
Arf Blocks versus OJ Memory: the parameters behind the verdict, then further details
ParameterArf BlocksOJ Memory
PriceFreeFree
Update frequencyFortnightlyEvery 2 days — better
AdsNoNo
In-app purchasesNoNo
DevicesiPhone, iPadiPhone, iPad
Requires iOS17.0 — better26.0
Further details — not scored
Size4 MB112 MB
Age rating4+4+
DeveloperLambda M BVJonas Hedberg

In-app purchases

None

Arf Blocks

No in-app purchases

None

OJ Memory

No in-app purchases

Questions

Is Arf Blocks free?
Arf Blocks is free to download, with no in-app purchases.
Is OJ Memory free?
OJ Memory is free to download, with no in-app purchases.
Do Arf Blocks or OJ Memory have ads?
Neither Arf Blocks nor OJ Memory shows ads.
Which is updated more often, Arf Blocks or OJ Memory?
Arf Blocks ships an update fortnightly, and OJ Memory every 2 days. Most recently, Arf Blocks was updated on October 5, 2026 and OJ Memory on October 2, 2026.

Other comparisons