Comparison

Einstein Challenge vs Nonogram puzzle

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

Head to head
About

Einstein Challenge

Features
Read full description

It's thought that Albert Einstein in the last century, released the following challenge: In one street there are five houses with different colours. In each one of them, live a person from different nationality. Each one of these people likes a different drink and smokes a brand of cigarettes different from the others. in addition, each one has a different kind of pet. The question is: "who is the owner of the fish". Follow the tips to find the answer.

About

Nonogram puzzle

Build a magical fairy tale island by merging items and solving nonogram puzzles. Discover hidden pixel art, collect elves, and design your dream world. Enjoy a blend of logic puzzles and creative building.

Highlights
  • Merge items to build and design
  • Solve nonogram puzzles
  • Discover hidden pixel art
  • Collect elves and characters
  • Sandbox garden for customization
  • Multiple difficulty levels
Features
Read full description

Welcome to magical island and meet elves. The beautiful mystery Elf Island is full of treasure gift box with materials in it and merge them to build your fun fairy tale world! Open gifts to drag and match items like small branchs, stones and seeds to contracture and design the beautiful fairy tale island and reveal stories-princess, prince and dwarves. Find 3 mergreable pieces and combine them together will unlock the next level object and you only need five items to discover two new things. By keep mergeing, you will have houses, flower trees, roses, castles, palaces, etc. Elves will show up after 3 eggs were collected and matched~wide-open game board brings a huge potential of design and creativity to build a whole new magical wrold. Complete nonogram puzzle and keep Merging to find and discover the magic! Gift boxes which could help to build your fantasy, mystery and dream elf island simulator could receive by complete Nonogram puzzles. Nonogram is a type of classic sudoku game which combine math logic with pixel art. Match blank cells and blocks and numbers at the side of the grid to reveal the hidden pixel picture, as known as Hanjie, Picross, Griddlers, Japanese Crosswords, Paint by Numbers, Pic-a-Pix. Use strategy to figure out whether the square should be color or filled with X base on the words on the grids or could just filling by filling out all bricks. When the puzzle was resolved, you could reveal hidden images on the puzzle. Numbers are clues to show how many squares to fill. The numbers above the column are read from top-to-bottom. Numbers to the left of the rows are read from left-to-right. Nonogram is also a pleasant game to train and exercise your brain, also keep your mind active with the basic rules and logic behind the picture cross puzzle. ●Massive Themed puzzle packs in the game ●Friendly novice tutorials in the game, combine various difficulty level from Very Easy, Easy, Medium, Hard or Very hard that best for you and become the expert! ●There are many auxiliary functions in the game, such as return to the previous step, get hints, and reset the game ●Autosave every puzzle, if you stuck you can try another puzzle and come back later ●First game that you can play nonogram and merge at the same time ●Merge to summon and collect characters ●Sandbox garden to let your makeover with various building

Screenshots

Einstein Challenge4 screens
Nonogram puzzle4 screens

Verdict

The call

The clearest difference is price: Nonogram puzzle at Free against Einstein Challenge's $0.99. Nonogram puzzle also leads on update cadence (every 5 weeks vs every 39 months) and iOS requirement (15.6 vs 17.0). Einstein Challenge's advantage is in-app purchases (none vs 26). On 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

Nonogram puzzle is free to download; Einstein Challenge costs $0.99 up front. Nonogram puzzle sells 26 one-off in-app purchases. Einstein Challenge asks for nothing beyond the download.

UpkeepUpdate frequency

Einstein Challenge ships an update every 39 months, Nonogram puzzle every 5 weeks. The most recent releases landed on May 16, 2026 and October 24, 2026 respectively.

Scorecard4 real differences · 6 level
Einstein Challenge versus Nonogram puzzle: the parameters behind the verdict, then further details
ParameterEinstein ChallengeNonogram puzzle
Price$0.99Free — better
Rating—4.1 (41 ratings) — better
Positive reviews—53.8% of reviews
Number of ratings—41 — better
Update frequencyEvery 39 monthsEvery 5 weeks — better
Ads—Yes
In-app purchasesNo — betterYes
Monetization—Free with in-app purchases
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS17.015.6 — better
Further details — not scored
Size9 MB146 MB
Age rating12+4+
DeveloperJoao SilvaYunbu

In-app purchases

None

Einstein Challenge

No in-app purchases

26 purchases

Nonogram puzzle

One-time26
  • 10 Gifts$0.99
  • 150 Gems$1.99
  • 1000 Coins$1.99
Show 23 more
  • Coin Gifts$1.99
  • Gem Gifts$1.99
  • Item gifts$1.99
  • Small Tree$2.99
  • Small Stone House$2.99
  • Special Gift$3.99
  • Egg$3.99
  • Unlock Princess$3.99
  • 400 Gems$4.99
  • 2800 coins$4.99
  • 600 Gems$4.99
  • 3400 Coins$4.99
  • 60 Gifts$4.99
  • Pay coin Gift Pack 1$5.99
  • Pay gem gift pack 1$5.99
  • Pay Gem Gift Pack 4$5.99
  • Pay Coin Gift Pack 3$5.99
  • Blooming Tree$7.99
  • Large Stone House$7.99
  • 1000 Gems$9.99
  • 6800 coins$9.99
  • 15000 Coins$19.99
  • 2200 Gems$19.99

Questions

Is Einstein Challenge free?
Einstein Challenge costs $0.99, with no in-app purchases.
Is Nonogram puzzle free?
Nonogram puzzle is free to download, with in-app purchases available.
Which is updated more often, Einstein Challenge or Nonogram puzzle?
Einstein Challenge ships an update every 39 months, and Nonogram puzzle every 5 weeks. Most recently, Einstein Challenge was updated on May 16, 2026 and Nonogram puzzle on October 24, 2026.

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