Comparison

Free The Key vs Gridzen

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

Head to head
About

Free The Key

Read full description

Use your logic, slide the blocks, and clear the path for the key. Free The Key is a fun and challenging puzzle game that starts simple and becomes more demanding with every level. Your goal is to move the blocks on a 6x6 board and guide the key block to the exit. Each puzzle requires careful thinking, smart planning, and the right sequence of moves. As you progress, the levels become more complex and rewarding to solve. Features: Smooth drag-and-drop gameplay 40 increasingly challenging levels Logic-based puzzles that test planning and focus Great for quick play sessions or longer puzzle-solving runs Clean and simple interface If you enjoy brain teasers and sliding block puzzles, Free The Key offers a satisfying challenge in every level.

About

Gridzen

Engage your mind with a collection of five distinct logic puzzle games, each offering a new daily challenge. Enjoy unlimited practice, compete in real-time multiplayer races, and track your progress with detailed statistics. The app respects your privacy and offers optional rewarded ads for hints.

Highlights
  • Five unique logic puzzle games
  • Daily puzzle challenges
  • Unlimited practice levels
  • Real-time multiplayer matches
  • Detailed player statistics
  • Privacy-respecting design
Features
Read full description

Gridzen brings together five of the cleanest logic games into a single app. A fresh puzzle for each game every day. Unlimited practice levels when you want more. Real-time multiplayer when you want a race. The games • Solune — fill the grid with two symbols, never three in a row • Crowns — place one crown per row, column, and colour region • Mini Sudoku — the classic, distilled to a 6×6 grid • Trace — connect numbered dots in order without crossing a path • Plots — divide the grid into rectangles that match each clue Daily challenge The same puzzle is served to every player worldwide each day. Solve fast and your time goes on the daily leaderboard. Keep your streak alive by playing every day. Practice anytime Hundreds of hand-curated practice levels per game, organised by difficulty. Locked levels unlock as you progress, so the curve is always one step ahead. Multiplayer matches Get matched with another player at your skill level. First to the correct solution wins. ELO ratings, streaks, and a tier badge that climbs as you climb. No chat — just clean, fast, fair logic. Stats that matter Per-game streaks, win rates, average completion times, and your multiplayer record at a glance. Free to play. Privacy-respecting. Gridzen is free to play. Optional rewarded video ads let you earn bonus hints — they're never required to solve a puzzle. We don't sell your data, and the only personal data we collect is what the app needs to keep your progress in sync between your devices. Read the full privacy policy at gridzen.zentechsolution.com/privacy. Sign in with Apple, sign in with Google, or play as a guest. Your guest progress merges seamlessly when you create an account.

Screenshots

Gridzen4 screens

Verdict

The call

The clearest difference is device support: Gridzen at 3 against Free The Key's —. On price, in-app purchases and iOS requirement 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.

Scorecard1 real difference · 9 level
Free The Key versus Gridzen: the parameters behind the verdict, then further details
ParameterFree The KeyGridzen
PriceFreeFree
Rating—5.0 (1 ratings) — better
Positive reviews—100.0% of reviews
Number of ratings—1 — better
Update frequency—Every 3 weeks
Ads—Yes
In-app purchasesNoNo
Monetization—Free with in-app purchases
Devices—iPhone, iPad, iPod — better
Requires iOS14.0 — better15.1
Further details — not scored
Size16 MB45 MB
Age rating4+4+
DeveloperAhmet GomenPritesh Thaker

In-app purchases

None

Free The Key

No in-app purchases

None

Gridzen

No in-app purchases

Questions

Is Free The Key free?
Free The Key is free to download, with no in-app purchases.
Is Gridzen free?
Gridzen is free to download, with no in-app purchases.

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