Comparison

Number Sum Puzzle vs Gridlock

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

Head to head
About

Number Sum Puzzle

This logic puzzle game challenges your brain with number sums. Arrange numbers in a grid so rows and columns match target sums. Enjoy handcrafted puzzles with no timers or pressure, perfect for a calm, focused mental workout.

Highlights
  • Number sum grid puzzles
  • Handcrafted unique solutions
  • No timers or pressure
  • Offline play
  • Daily brain workout
  • Dark mode support
Features
Read full description

Challenge your brain with Sum Puzzle — the addictive number sums math puzzle loved by fans of Sudoku, Kakuro, and Nonogram. Remove numbers from the grid so the remaining values in each row and column add up exactly to the target sums on the edges. Simple rules. Infinite "aha!" moments. Every puzzle is handcrafted with one unique solution. No timers. No pressure. No mid-puzzle ads. Just pure logic and mental math — the perfect brain game for puzzle lovers who want a calm, focused challenge. HOW TO PLAY SUM PUZZLE • Each grid shows numbers with target sums displayed along the right side and the bottom. • Tap the check button to circle a number (marks it as kept in the sum). • Tap the erase button to remove a number from the grid. • Your goal: make every row and every column reach its exact target sum at the same time. • Every puzzle has one — and only one — correct solution. Can you find it? It sounds simple, but the deeper you go, the more you'll appreciate the elegant logic behind every layout. Start with a 3x3 warm-up, work your way to a 10x10 boss-level grid, and feel your mental math sharpen along the way. KEY FEATURES • Levels for Everyone — From quick 3x3 grids for complete beginners to sprawling 10x10 challenges for seasoned math puzzle experts. • Daily Brain Workout — Make it a daily habit. Sharpen focus, arithmetic speed, and pattern recognition a few minutes at a time. • Zero Mid-Puzzle Ads — We respect your concentration. Solve in peace. No interstitials pop up to break your flow. • Fully Offline — Play anywhere, anytime. No internet, no account, no sign-in. Perfect for flights, subways, and waiting rooms. • Dark-Mode Friendly — Sleek, minimalist design that's easy on the eyes day or night. Perfect for late-night brain training. • Handcrafted Puzzles — Every single level is hand-designed and verified for a unique, elegant solution. No auto-generated filler. • Endless Replay Value — Hundreds of logic puzzles with more added in regular updates. WHY YOU'LL LOVE SUM PUZZLE • Relax and Sharpen Your Mind — Stress-free gameplay built for calm focus. No timers. No streak shaming. No pay-to-win. Just pure logic. • Improve Mental Math — A natural workout for arithmetic speed, logical deduction, and pattern recognition. A real brain game, not a gimmick. • The Ultimate "Aha!" Moment — Feel that satisfying click when every number finally locks into place. • The Perfect Commute Companion — Fully offline puzzles for planes, trains, subways, and waiting rooms. No signal needed. • Kid-Friendly and Adult-Approved — Great for students learning arithmetic and adults looking for a mindful screen break. LOVE SUDOKU, KAKURO, OR NONOGRAM? If you enjoy logic puzzles like Sudoku, Kakuro (a.k.a. cross sums), or Nonogram, Sum Puzzle will feel instantly familiar — but with a fresh twist. It's the math puzzle game you didn't know you needed: simpler to learn than Kakuro, more satisfying than endless Sudoku grids, and more portable than pen and paper. WHO IT'S FOR • Puzzle lovers hunting for a fresh daily brain game • Students practicing mental math and arithmetic • Adults looking for a relaxing, screen-time-worthy brain workout • Commuters who want a real offline puzzle game • Sudoku and Kakuro fans searching for their next number puzzle obsession Whether you want a serious math challenge or a relaxing way to unwind, Sum Puzzle makes every number count. Every solve is a small victory for your brain. Download Sum Puzzle now — your next favorite number sums math puzzle game is waiting. No ads interrupt your solve. No internet required. Just logic, numbers, and your next "aha!" moment. -------------------- ■ Terms of Use -------------------- By downloading or using this app, you agree to our Terms of Use (End User License Agreement). This app uses Apple's standard EULA: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

About

Gridlock

Features
Read full description

Gridlock is a turn-based strategy board game of pure skill — no dice, no luck, and no ads breaking your focus. Inspired by the classic abstract strategy game Quoridor, every match is a battle of foresight, positioning, and clever wall-building tactics. Your goal is simple: reach the opposite side of the board before your rival does, while placing walls to block and slow down their path. Easy to learn in a minute, but deep enough to master over hundreds of matches. How to Play - Move your pawn one square at a time toward the goal row on the far side of the board. - Instead of moving, place a wall to slow your opponent down and reshape the maze between you. - Walls are a limited resource, so spend them wisely and at the right moment. - You can never completely trap a player — there is always at least one open path to the goal. - The first player to reach the opposite row wins the match. Game Modes - Single-player vs AI: face a smart computer opponent with multiple difficulty levels, from relaxed beginner to a ruthless expert that will test every bit of your strategy. - Local multiplayer: play head-to-head with a friend on the same device — perfect for couch rivalries and quick duels. - Online multiplayer: challenge real players around the world in real-time, turn-based strategy matches and prove who is the better tactician. - 2v2 team mode: team up with a friend and take on a rival duo in cooperative strategy battles. Key Features - 100% skill-based gameplay — no randomness and no pay-to-win mechanics. - No intrusive ads interrupting your concentration. - Clean, elegant board design that keeps all the attention on your strategy. - Multiple AI difficulty levels that grow with your skill. - Fast matches that fit neatly into a short break. - A pure strategy board game experience for players of all ages. Why Players Love Gridlock - A genuine test of strategic thinking, planning, and long-term tactics. - Endless replayability — no two matches ever play out the same way. - Perfect for fans of chess, checkers, Go, and other abstract strategy games. - Relaxing yet competitive: unwind while sharpening your mind. - A satisfying brain game and mental workout you can enjoy anytime. Tips to Win - Balance every turn between advancing your pawn and placing walls. - Do not waste your walls early — save them for the critical moments. - Think several turns ahead and anticipate your rival's best route. - Control the center of the board to keep more paths open for yourself. - Watch your opponent's wall count and plan your final sprint accordingly. Whether you are a seasoned strategy board game veteran or a casual player looking for a smart, ad-free, turn-based challenge, Gridlock delivers a rewarding experience you can pick up anytime, anywhere. Build walls, outmaneuver your rival, and prove that you are the true master strategist. About the Game Gridlock brings the timeless appeal of abstract strategy games to your phone in a modern, minimalist package. There are no gimmicks, no loot boxes, and no luck-based twists — just you, your rival, and a board that rewards sharper thinking. Every wall you place changes the shape of the game, so a single well-timed block can turn a losing position into a win. If you love turn-based strategy, board games, and puzzles that make you think, Gridlock is built for you. Terms of Use (EULA): https://ahmetmvural.com.tr/terms-of-use/ Privacy Policy: https://ahmetmvural.com.tr/privacy-policy/

Screenshots

Number Sum Puzzle4 screens
Gridlock4 screens

Verdict

The call

The clearest difference is update cadence: Number Sum Puzzle at every 5 days against Gridlock's every 2 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

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. Number Sum Puzzle sells 5 one-off in-app purchases and Gridlock sells 3 in-app purchases, starting at $2.99 per month. Whichever you choose, the download price is not the number that matters.

UpkeepUpdate frequency

Number Sum Puzzle ships an update every 5 days, Gridlock every 2 weeks. Both last shipped on October 31, 2026.

Scorecard1 real difference · 9 level
Number Sum Puzzle versus Gridlock: the parameters behind the verdict, then further details
ParameterNumber Sum PuzzleGridlock
PriceFreeFree
Rating3.8 (6 ratings) — better—
Positive reviews50.0% of reviews—
Number of ratings6 — better—
Update frequencyEvery 5 days — betterEvery 2 weeks
AdsYesYes
In-app purchasesYesYes
MonetizationAd-supported—
DevicesiPhone, iPodiPhone, iPad, iPod — better
Requires iOS15.115.0 — better
Further details — not scored
Size138 MB45 MB
Age rating17+4+
DeveloperLIHUHU PUBLISHING PTE. LTD.Ahmet Muhammet Vural (AN)

In-app purchases

5 purchases

Number Sum Puzzle

One-time5
  • Starter Hints$1.99
  • Value Hints$5.99
  • Mega Hints$9.99
Show 2 more
  • VIP - No Ads$19.99
  • VIP - No Ads$49.99
3 purchases

Gridlock

Subscriptions2
  • Pro Monthly$2.991 Month
  • Pro Yearly$14.991 Year
One-time1
  • Remove Ads$4.99

Questions

Is Number Sum Puzzle free?
Number Sum Puzzle is free to download, with in-app purchases available.
Is Gridlock free?
Gridlock is free to download, with in-app purchases available.
Do Number Sum Puzzle or Gridlock have ads?
Both Number Sum Puzzle and Gridlock show ads.
Which is updated more often, Number Sum Puzzle or Gridlock?
Number Sum Puzzle ships an update every 5 days, and Gridlock every 2 weeks. Most recently, Number Sum Puzzle was updated on October 31, 2026 and Gridlock on October 31, 2026.

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