Comparison

Sumaddle vs Lynnsee Number Drop

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

Head to head
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

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 transforming the puzzles into interactive 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 are able to focus on using logic to narrow down the combinations and find a fitting arrangement. The puzzles come in a range of sizes and difficulties, to suit all levels of skill and puzzling purposes. Choose a small puzzle to idle away a minute or two while waiting in a queue, or a big puzzle to give your brain some exercise during a coffee break! Some reasons why you will enjoy playing Sumaddle: • 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

About

Lynnsee Number Drop

Score points by strategically dropping numbered balls onto a grid. Match ball numbers to the count in their row or column to clear them and earn points. Achieve longer chain combos for higher scores before the grid overflows.

Highlights
  • Score points by matching numbers
  • Clear balls by matching row/column counts
  • Chain Combo bonuses
  • Prevent grid overflow
  • Addictive gameplay
Features
Read full description

Once you drop, you can't stop.  Welcome to Number Drop! 1.Score as many points as you can before the grid overflows. 2.Earn points by matching the number on a ball to the amount of balls in its row or column. 3.The longer your Chain Combo, the more points you get!

Screenshots

Sumaddle3 screens
Lynnsee Number Drop4 screens

Verdict

The call

The clearest difference is review sentiment: Sumaddle at 95% against Lynnsee Number Drop's 38%. Sumaddle also leads on ads (none vs shown) and rating (4.9 vs 4.5). Lynnsee Number Drop's advantage is in-app purchases (none vs 10) and iOS requirement (15.6 vs 17.0). On price, ratings volume 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. Sumaddle sells 10 one-off in-app purchases. Lynnsee Number Drop asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

Sumaddle holds the better App Store score, 4.9 against 4.5. Both are backed by a comparable volume of ratings — 769 and 600 respectively. Written reviews point the same way: 95% of Sumaddle's written reviews are positive against 38% of Lynnsee Number Drop's.

UpkeepUpdate frequency

Sumaddle ships an update every 3 weeks, Lynnsee Number Drop every 5 months. Both last shipped on November 3, 2026.

Scorecard7 real differences · 3 level
Sumaddle versus Lynnsee Number Drop: the parameters behind the verdict, then further details
ParameterSumaddleLynnsee Number Drop
PriceFreeFree
Rating4.9 (769 ratings) — better4.5 (600 ratings)
Positive reviews94.9% of reviews — better37.5% of reviews
Number of ratings769 — better600
Update frequencyEvery 3 weeks — betterEvery 5 months
AdsNo — betterYes
In-app purchasesYesNo — better
MonetizationFree with in-app purchasesAd-supported — better
DevicesiPhone, iPadiPhone, iPad, iPod — better
Requires iOS17.015.6 — better
Further details — not scored
Size31 MB8 MB
Age rating4+4+
DeveloperJonathan Buchanan磊 曾

Customer experience

Sumaddle

All ratings769 ratings
Positive98.3%
Neutral0.7%
Negative1.0%
Written reviews98 reviews
Positive94.9%
Neutral1.0%
Negative4.1%

Lynnsee Number Drop

All ratings454 ratings
Positive85.0%
Neutral4.8%
Negative10.1%
Written reviews24 reviews
Positive37.5%
Neutral8.3%
Negative54.2%

User reviews

Sumaddle

From 769 App Store ratings

What we love

  • 👍 Fun and challenging game
  • 👍 Clean and intuitive interface
  • 👍 Helpful hint system
  • 🚀 No ads or data collection
  • 💡 Unique puzzle concept

Room to improve

  • 🐛 Automatic hints can be intrusive
  • 🐛 Inability to replay completed puzzles
  • 💡 Need more free/sample puzzles
  • 💡 Difficulty progression could be improved

Lynnsee Number Drop

From 600 App Store ratings

What we love

  • 😊 Highly addictive and engaging gameplay
  • 🧠 Great mental challenge and puzzle-solving
  • 🎮 Fun way to relax and escape daily stress
  • 🚀 Slower speed makes game more accessible
  • ❤️ Nostalgic appeal for returning players

Room to improve

  • 🐛 Score resets and rollover glitches
  • 🎮 Recent updates made game worse
  • 😤 Unfair algorithm limiting high scores
  • ⚡ Games end too quickly after updates
  • 🎯 Level bonus changes ruined scoring system

Bugs and 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

Lynnsee Number Drop

Reported bugs

5 issues
  • Score mysteriously drops mid-gameplay
  • Score rolls over/resets when reaching high numbers
  • Scoreboard disappeared after updates
  • Unfair random number generation (excessive 2s and 3s)
  • Game-breaking changes to level bonus system

Requested features

6 requests
  • Option to mute music and sound effects
  • Ability to remove ads
  • Adjust contrast and simplify background
  • Restore original music from classic version
  • Revert to original difficulty level
Show 1 more
  • Restore scoreboard and high score history

In-app purchases

10 purchases

Sumaddle

One-time10
  • Crafty, Pack 1$0.99
  • Crafty, Pack 2$0.99
  • Crafty, Pack 3$0.99
Show 7 more
  • 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
  • Puzzle Generator$9.99
None

Lynnsee Number Drop

No in-app purchases

Questions

Is Sumaddle free?
Sumaddle is free to download, with in-app purchases available.
Is Lynnsee Number Drop free?
Lynnsee Number Drop is free to download, with no in-app purchases.
Which has better reviews, Sumaddle or Lynnsee Number Drop?
Sumaddle is rated higher. Sumaddle averages 4.9 out of 5 from 769 ratings, while Lynnsee Number Drop averages 4.5 from 600 ratings.
Do Sumaddle or Lynnsee Number Drop have ads?
Lynnsee Number Drop shows ads; Sumaddle does not.
Which is updated more often, Sumaddle or Lynnsee Number Drop?
Sumaddle ships an update every 3 weeks, and Lynnsee Number Drop every 5 months. Most recently, Sumaddle was updated on November 3, 2026 and Lynnsee Number Drop on November 3, 2026.

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