Comparison

Delta Dot vs CrossMath

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

Head to head
About

Delta Dot

A minimalist game challenges your recall by having you identify a single dot that changes color on a grid. Progress by correctly selecting the altered dot to advance through increasingly difficult levels.

Highlights
  • Memory testing gameplay
  • Simple grid interface
  • Increasing difficulty levels
  • Minimalist design
  • One-touch controls
Read full description

DeltaDot is a simple game that tests your memory. Starting with a clean grid of dots, one dot changes colour every turn. Find the correct dot and the game continues. That's it! How far can you go?

About

CrossMath

This app offers a unique crossword experience where numbers replace words. Solve arithmetic equations to complete the grid, sharpening your mind with daily challenges. It's a fun blend of logic puzzles and math practice for all ages.

Highlights
  • Number-based crossword puzzles
  • Arithmetic equation solving
  • Daily brain training challenges
  • Hints and helper tools
  • Adaptive difficulty levels
  • Sleek, user-friendly interface
Features
Read full description

CrossMath is a math crossword puzzle that mixes the grid logic of crossword with the number reasoning of Sudoku and Kakuro. Each row and column is an equation with addition, subtraction, multiplication, or division. Your job is simple: fill in the missing numbers so every row and every column equals the target result. If you love numbers, logic puzzles, and brain training, CrossMath is built for you. WHY CROSSMATH IS DIFFERENT Sudoku is about placement. Kakuro is about sums. Math Crossword uses all four operations at once, which makes each puzzle feel fresh, sharper, and more satisfying to solve. - Crossword style grid with math equations - All four operations: plus, minus, times, divide - Logic and arithmetic in every single move - Clean minimalist design that respects your focus KEY FEATURES - Weekly Trophy challenge: win boards to reveal a picture and earn a trophy - Multiple difficulty levels from easy warm-ups to expert grids - Smart hints that nudge you without spoiling the puzzle - Offline play, anywhere, anytime - No forced sign in, no pressure, no clutter - Simple controls, clear typography, dark and light themes WHO IS IT FOR - Sudoku and Kakuro fans looking for something new - Students who want fun mental math practice - Adults building sharper focus and working memory - Seniors training memory and concentration - Families looking for a wholesome puzzle to share BRAIN BENEFITS Solving math crosswords every day can help you: - Speed up mental arithmetic - Strengthen working memory - Build logical reasoning and pattern recognition - Improve focus and patience - Wind down with a calm, screen friendly puzzle HOW TO PLAY 1. Tap any empty cell in the grid 2. Tap or drag a number tile from the tray 3. Make sure each row and column matches its target 4. Use a hint if you get stuck 5. Complete the grid and unlock the next puzzle TIPS FROM THE COMMUNITY - Start with the shortest rows and columns - Look for cells that are forced by both a row and a column - Use the elimination habit you learned from Sudoku - Treat division and multiplication clues as fast wins Whether you call it CrossMath, Math Crossword, or just your favorite number puzzle, this is a calm, smart, satisfying way to spend a few minutes a day and keep your mind sharp. Download CrossMath now and start your daily brain workout.

Screenshots

Delta Dot4 screens
CrossMath4 screens

Verdict

The call

The clearest difference is in-app purchases: Delta Dot at none against CrossMath's 5. Delta Dot also leads on ads (none vs shown) and review sentiment (100% vs 70%). CrossMath's advantage is update cadence (every 5 days vs every 5 months). On price, device support 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. CrossMath sells 5 one-off in-app purchases. Delta Dot asks for nothing beyond the download.

UpkeepUpdate frequency

Delta Dot ships an update every 5 months, CrossMath every 5 days. The most recent releases landed on October 4, 2026 and October 15, 2026 respectively.

Scorecard5 real differences · 5 level
Delta Dot versus CrossMath: the parameters behind the verdict, then further details
ParameterDelta DotCrossMath
PriceFreeFree
Rating—4.7 (129 ratings) — better
Positive reviews100.0% of reviews — better70.0% of reviews
Number of ratings—129 — better
Update frequencyEvery 5 monthsEvery 5 days — better
AdsNo — betterYes
In-app purchasesNo — betterYes
MonetizationFree — betterFree with in-app purchases
DevicesiPhone, iPodiPhone, iPad, iPod — better
Requires iOS15.615.0 — better
Further details — not scored
Size1 MB129 MB
Age rating4+4+
DeveloperPhillip WongBringNext LLC

Customer experience

Delta Dot

Written reviews2 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

CrossMath

All ratings129 ratings
Positive91.5%
Neutral3.9%
Negative4.7%
Written reviews10 reviews
Positive70.0%
Neutral10.0%
Negative20.0%

In-app purchases

None

Delta Dot

No in-app purchases

5 purchases

CrossMath

One-time5
  • 10 Hints$0.99
  • 30 Hints$1.99
  • Remove Ads$4.99
Show 2 more
  • 100 Hints$4.99
  • Remove Ads$8.99

Questions

Is Delta Dot free?
Delta Dot is free to download, with no in-app purchases.
Is CrossMath free?
CrossMath is free to download, with in-app purchases available.
Do Delta Dot or CrossMath have ads?
CrossMath shows ads; Delta Dot does not.
Which is updated more often, Delta Dot or CrossMath?
Delta Dot ships an update every 5 months, and CrossMath every 5 days. Most recently, Delta Dot was updated on October 4, 2026 and CrossMath on October 15, 2026.

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