Comparison

Otteretto vs Fill Multicolor

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

Head to head
About

Otteretto

A unique puzzle game where players create palindromes using letters and otters. It offers multiple endlessly replayable game modes, including daily challenges and competitive leaderboards.

Highlights
  • Unique palindrome puzzle mechanics
  • Five endlessly replayable game modes
  • Daily global competition
  • Logical reasoning puzzles
  • Competitive cross-platform leaderboards
  • No ads or microtransactions
Features
Read full description

Otteretto is a puzzle game about palindromes (and otters). NEW PUZZLE CONCEPT This isn't another match-3 game; it's a whole new idea to wrap your head around! How long of a palindrome can you make? 5 ENDLESSLY-REPLAYABLE GAME MODES Classic: Try to reach each level's score goal in the addictive original mode. The Daily Stack: Join a global competition every day! How many points can you get from the same set of squares as everyone else? Puzzle: Use logical reasoning to figure out how to turn a set of squares into a single, massive palindrome! Containment: With more squares being added every move, how long can you keep the container from overflowing? Walls: In this challenging variant, you'll need to get creative to work around each level's impassable walls. COMPETE WITH THE WORLD See how you stack up with online, cross-platform leaderboards! NO ADS, NO MICROTRANSACTIONS Play Classic mode and the Daily Stack for free with no limits! If you like those, you can purchase the full game to permanently unlock the rest.

About

Fill Multicolor

Connect dots in a unique puzzle game that offers mind-teasing challenges. Train your brain with over 1,250 levels of increasing difficulty and enjoy a relaxing, minimalist experience. Play anywhere for free.

Highlights
  • Over 1250 handcrafted levels
  • Unique two-color dot mechanic
  • Gradually increasing difficulty
  • Minimalist design with beautiful colors
  • Brain training and logical challenges
  • Free hints available
Features
Read full description

Looking for a new dot connecting game for kids and adults? Want to train your brain with color dot joining challenges? Well, you must try Fill Multicolor – the free puzzle dots joining game! Our color connect & dot connecting puzzle offers you mind-teasing, logical challenges in a cozy ambiance that will help you relax from all daily worries. Unique Concept Sometimes the smallest ideas are the most thoughtful. Fill Multicolor has a very simple premise, you are presented with a grid of dots and you must connect all the dots. Sounds easy? But wait! There are two-color dots that require certain rules in order to be connected. Dots cannot be connected twice. You must connect all the dots(Obviously). All this combines to make an addictive puzzle game that brightens your brain. Levels with gradually increasing difficulty Solve over 1,250+ levels. You can play this addictive puzzle game in various difficulty packs. Each level pack has multiple levels with an increasing challenge. Want the real challenge? Boost your brain by playing the ultimate difficult levels. RELAXING DOTS LINE PUZZLE Sharpen your mind with a connect-the-block-style one-line brain training puzzle game. Fill Multicolor is a fun, simple, and beautiful relaxing puzzle game with an immersive atmosphere. FUN BRAIN TRAINING Play our puzzle dot game for free and notice how your brain becomes more active the more you play. If you think you are an intelligent person, you are in the right place. The more you play and solve the dot connect puzzle challenges, the more intelligent you become. PLAY ANYWHERE. FOR FREE. Enjoy a simple but unique and addictive one-line puzzle game that’s completely free to play. Our fill color dots game is perfect during your commute before you sleep… or any time you want to enjoy downtime with relaxing brain training. HOW TO PLAY - Fill Multicolor is just like the classic connect the dots game but without numbers or structure to guide you and with a new mechanic concept. - Start from the initial dot, then connect all open dots on the board ending in the last dot. - Connections are made vertically or horizontally and without overlap. - Don’t forget the two-color dots, they are tricky and the new feature that AleC Games added to this kind of dot to dot puzzle games. - Use hints for puzzles that are too hard to solve. Hints are also free, of course. - Don’t get too cozy—the puzzles get harder as you go along. DOTS MULTICOLOR FEATURES: - Minimalist design: beautiful colors, awesome sound effects. - Smart level design: more than 1250 handcrafted smart levels. - 22 Awesome dots design. WHY DOT TO DOT PUZZLES? One-line dot connecting puzzles are mathematical problems with origins in the early 18th century. First posed in Königsberg, the original puzzle revolved around the town’s Pregel River. Mathematical thinking is said to increase work efficiency and prevent aging. Whether math is your bane or your forte, be sure to give this game a try. You’re sure to get hooked on these puzzles! Now it’s time to connect dot to dot and train your brain. With a soothing soundtrack and calming ambiance, it is one of the best anti stress games to enjoy on your device!

Screenshots

Otteretto4 screens
Fill Multicolor4 screens

Verdict

The call

The clearest difference is review sentiment: Otteretto at 100% against Fill Multicolor's 0%. Otteretto also leads on rating (5.0 vs 4.0) and ads (none vs shown). Fill Multicolor's advantage is update cadence (every 5 weeks vs every 9 months) and iOS requirement (11.0 vs 14.0). On price, ratings volume, 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. Otteretto sells 1 one-off in-app purchase and Fill Multicolor sells 7 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.

ReceptionRating · Positive reviews · Number of ratings

Otteretto holds the better App Store score, 5.0 against 4.0. Both are backed by a comparable volume of ratings — 8 and 3 respectively. Written reviews point the same way: 100% of Otteretto's written reviews are positive against 0% of Fill Multicolor's.

UpkeepUpdate frequency

Otteretto ships an update every 9 months, Fill Multicolor every 5 weeks. The most recent releases landed on October 12, 2026 and October 18, 2026 respectively.

Scorecard5 real differences · 5 level
Otteretto versus Fill Multicolor: the parameters behind the verdict, then further details
ParameterOtterettoFill Multicolor
PriceFreeFree
Rating5.0 (8 ratings) — better4.0 (3 ratings)
Positive reviews100.0% of reviews — better0.0% of reviews
Number of ratings8 — better3
Update frequencyEvery 9 monthsEvery 5 weeks — better
AdsNo — betterYes
In-app purchasesYesYes
MonetizationFreemiumFree with in-app purchases
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS14.011.0 — better
Further details — not scored
Size14 MB26 MB
Age rating4+4+
DeveloperChristopher KlimowskiViviana Baeza

Customer experience

Otteretto

All ratings8 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews2 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

Fill Multicolor

All ratings3 ratings
Positive66.7%
Neutral33.3%
Negative0.0%
Written reviews1 reviews
Positive0.0%
Neutral100.0%
Negative0.0%

In-app purchases

1 purchases

Otteretto

One-time1
  • Full Game Upgrade$2.99
7 purchases

Fill Multicolor

One-time7
  • 4 Dots pack$0.99
  • 8 Dots pack$1.99
  • 70 Hints Pack$1.99
Show 4 more
  • 120 Hints Pack$2.99
  • Remove Ads$3.99
  • 250 Hints Pack$5.99
  • 500 Hints Pack$9.99

Questions

Is Otteretto free?
Otteretto is free to download, with in-app purchases available.
Is Fill Multicolor free?
Fill Multicolor is free to download, with in-app purchases available.
Which has better reviews, Otteretto or Fill Multicolor?
Otteretto is rated higher. Otteretto averages 5.0 out of 5 from 8 ratings, while Fill Multicolor averages 4.0 from 3 ratings.
Do Otteretto or Fill Multicolor have ads?
Fill Multicolor shows ads; Otteretto does not.
Which is updated more often, Otteretto or Fill Multicolor?
Otteretto ships an update every 9 months, and Fill Multicolor every 5 weeks. Most recently, Otteretto was updated on October 12, 2026 and Fill Multicolor on October 18, 2026.

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