Comparison

Math Solving Game NumberDrop vs Sumaddle

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

Head to head
About

Math Solving Game NumberDrop

This game challenges your arithmetic and logic skills by dropping numbers to solve math puzzles. Progress through hundreds of levels with increasing difficulty, or generate infinite puzzles in random mode. Enjoy offline play and compete on leaderboards.

Highlights
  • Hundreds of math puzzles
  • Arithmetic and logic training
  • Offline play
  • Weekly fresh puzzles
  • Random puzzle generation
  • Leaderboards
Features
Read full description

NumberDrop is a uniquely challenging math puzzle game that trains your arithmetic and logic. You have to use your math skills and drop the numbers in the right order to complete a puzzle! Features: • Add, subtract, multiply and divide your way through hundreds of captivating levels. • The levels steadily increase in difficulty to train your brain. • Fresh puzzles delivered to your phone every week! • Play our game anywhere, any time with offline play and no time limits. • Leaderboards show off your arithmetic skills. • Generate infinite puzzles in random mode. • Share any puzzle with friends to share the challenge! How to play: • Select +, -, × or ÷ and swipe between two numbers to combine them. • The bottom row values must match the target values with nothing left over. • Sometimes you will get stuck. You can restart, undo or use a hint. Share your favorite puzzles with us and if we feature it as puzzle of the week, we will reward you with in-game items! https://www.facebook.com/NumberDrop/ https://www.twitter.com/NumberDropApp info@rosenburgergames.com

About

Sumaddle

This logic puzzle game transforms pencil-and-paper challenges into interactive brain teasers. Fit number combinations to clues using pure logic, with no mental arithmetic required. Enjoy over 150 free puzzles of varying difficulty, with built-in help and offline play.

Highlights
  • Interactive logic puzzles
  • Number combination fitting
  • Pure logic solving
  • Built-in help and mistake correction
  • Over 150 free puzzles
  • Offline play
  • Ad-free experience
Features
Read full description

• “Brilliant puzzle game”, UK App Store review Apr 2025 • “Best Puzzle Game I’ve Ever Played”, US App Store review Jan 2025 • “The ONLY iOS game I've never gotten tired of”, Reddit review Apr 2024 This type of logical puzzle was first seen in the Japan Puzzle Championship 2006 and is sometimes known as Doppelblock, or Smashed Sums. When played with pencil and paper, these puzzles can be hard work to solve. Sumaddle changes that by adding the essential element of interaction. This transforms the puzzles into intriguing brain teasers that unfold before your eyes. Each puzzle has a unique solution. Finding the solution involves fitting the number combinations to the clues. The app makes it easy to view the possible combinations, you don’t need to do any sums in your head. Instead, you can focus on using logic to narrow down the combinations and find a fitting arrangement. Some reasons why you will enjoy playing Sumaddle: • puzzles range in size and difficulty from small and simple to large and mind-blowing • more than 150 puzzles are included for free • all puzzles can be solved with pure logic, no mental arithmetic required • the sophisticated built-in help can explain the logical reasoning at each step and also fix mistakes if you go wrong • the built-in help is completely free, use it as much as you like • works offline (great for long journeys) • a high standard of accessibility, including comprehensive support for VoiceOver • ad-free play - there are absolutely no ads! IGRS age rating (Indonesia Game Rating System): 3+ Designed and developed in Winterthur, Switzerland

Screenshots

Math Solving Game NumberDrop4 screens
Sumaddle3 screens

Verdict

The call

The clearest difference is ads: Sumaddle at none against Math Solving Game NumberDrop's shown. Sumaddle also leads on review sentiment (95% vs 77%) and rating (4.9 vs 4.7). Math Solving Game NumberDrop's advantage is iOS requirement (11.0 vs 16.0). On price, update cadence, in-app purchases and monetization model 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. Math Solving Game NumberDrop sells 4 one-off in-app purchases and Sumaddle sells 15 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.

ReceptionRating · Positive reviews · Number of ratings

Sumaddle holds the better App Store score, 4.9 against 4.7. That said, the two scores are not equally well evidenced: Sumaddle has 767 ratings behind it against 98, so its average is the more settled of the two. Written reviews point the same way: 77% of Math Solving Game NumberDrop's written reviews are positive against 95% of Sumaddle's.

UpkeepUpdate frequency

Math Solving Game NumberDrop ships an update monthly, Sumaddle every 3 weeks. The most recent releases landed on October 5, 2026 and October 12, 2026 respectively.

Scorecard5 real differences · 5 level
Math Solving Game NumberDrop versus Sumaddle: the parameters behind the verdict, then further details
ParameterMath Solving Game NumberDropSumaddle
PriceFreeFree
Rating4.7 (98 ratings)4.9 (767 ratings) — better
Positive reviews76.9% of reviews94.9% of reviews — better
Number of ratings98767 — better
Update frequencyMonthlyEvery 3 weeks — better
AdsYesNo — better
In-app purchasesYesYes
MonetizationFree with in-app purchasesFree with in-app purchases
DevicesiPhone, iPodiPhone, iPad
Requires iOS11.0 — better16.0
Further details — not scored
Size20 MB30 MB
Age rating4+4+
DeveloperBen Does Apps LtdJonathan Buchanan

Customer experience

Math Solving Game NumberDrop

All ratings98 ratings
Positive93.9%
Neutral4.1%
Negative2.0%
Written reviews13 reviews
Positive76.9%
Neutral15.4%
Negative7.7%

Sumaddle

All ratings767 ratings
Positive98.3%
Neutral0.7%
Negative1.0%
Written reviews98 reviews
Positive94.9%
Neutral1.0%
Negative4.1%

Bugs and requests

Math Solving Game NumberDrop

Not enough reviews yet to summarise bugs or requests.

Sumaddle

Reported bugs

2 issues
  • Losing progress when minimizing the app
  • Inconsistent difficulty ratings

Requested features

4 requests
  • Ability to selectively pencil in notes
  • More difficult puzzle options
  • Synced progress across devices
  • Detailed statistics and leaderboard

In-app purchases

4 purchases

Math Solving Game NumberDrop

One-time4
  • 5 Hints + 5 Undos$0.99
  • Remove Ads$1.99
  • 20 Hints + 20 Undos$2.99
Show 1 more
  • 100 Hints + 100 Undos$9.99
15 purchases

Sumaddle

One-time15
  • Quirky, Pack 5$0.99
  • Very Difficult Puzzles$0.99
  • Quirky, Pack 1$0.99
Show 12 more
  • Premium 9x9 Puzzles, Pack 1$0.99
  • Crafty, Pack 1$0.99
  • Crafty, Pack 2$0.99
  • Crafty, Pack 3$0.99
  • Sneaky, Pack 1$0.99
  • Sneaky, Pack 2$0.99
  • Sneaky, Pack 3$0.99
  • Tricky, Pack 1$0.99
  • Tricky, Pack 2$0.99
  • Tricky, Pack 3$0.99
  • Assorted Puzzles$0.99
  • Puzzle Generator$9.99

Questions

Is Math Solving Game NumberDrop free?
Math Solving Game NumberDrop is free to download, with in-app purchases available.
Is Sumaddle free?
Sumaddle is free to download, with in-app purchases available.
Which has better reviews, Math Solving Game NumberDrop or Sumaddle?
Sumaddle is rated higher. Math Solving Game NumberDrop averages 4.7 out of 5 from 98 ratings, while Sumaddle averages 4.9 from 767 ratings.
Do Math Solving Game NumberDrop or Sumaddle have ads?
Math Solving Game NumberDrop shows ads; Sumaddle does not.
Which is updated more often, Math Solving Game NumberDrop or Sumaddle?
Math Solving Game NumberDrop ships an update monthly, and Sumaddle every 3 weeks. Most recently, Math Solving Game NumberDrop was updated on October 5, 2026 and Sumaddle on October 12, 2026.

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