Comparison

Seadoku vs Eco Mi

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

Head to head
About

Seadoku

This game offers a unique twist on Sudoku, replacing numbers with charming sea creatures. Enjoy a relaxing underwater world with strategic puzzles and multiple difficulty levels. It's perfect for honing your puzzle-solving skills.

Highlights
  • Sea creature themed puzzles
  • Multiple difficulty levels
  • Relaxing ocean soundscapes
  • Strategic gameplay
  • Hone puzzle-solving skills
Features
Read full description

Sudoku reimagined — with sea creatures, ocean themes, and a daily challenge. Swap numbers for 9 beautiful sea creatures and solve classic sudoku logic puzzles in a stunning underwater world. New in v3.0: daily streak challenges, 9 gorgeous ocean photo themes, and smoother animations than ever. FEATURES • 3 difficulty levels — Easy, Medium, Hard • Daily puzzle with streak tracking • 9 stunning ocean backgrounds (coral reefs, clownfish, anemones & more) • Soothing ocean waves or tropical music • Hints when you get stuck • Clean, beautiful design — no clutter, just puzzles

About

Eco Mi

Test your memory by watching and repeating color sequences. Features five unique game modes, including classic, timed, and reverse challenges. Compete on leaderboards, unlock achievements, and track your progress with a stats dashboard.

Highlights
  • Five distinct game modes
  • High score leaderboard
  • 16 unlockable achievements
  • Progress tracking dashboard
  • Customizable color themes and sound packs
  • Haptic feedback
Features
Read full description

Test your memory with Eco Mi - a modern take on the classic Simon game! Watch the color sequence, then repeat it back. Each round adds one more step. How far can you go? FIVE GAME MODES • Classic — the original Simon experience • Daily Challenge — same sequence for everyone, build your streak • Timed — 60 seconds, how many sequences can you complete? • Reverse — repeat the sequence backwards • Chaos — buttons shuffle positions between rounds COMPETE & TRACK • Arcade-style high score leaderboard with retro initial entry • 16 achievements to unlock as you improve • Stats dashboard tracking your progress over time • Share your score as a branded card • Daily reminders to protect your streak CUSTOMIZE • 4 color themes — 1 included free, 3 unlockable • 4 sound packs with unique tones — 1 included free, 3 unlockable • Smooth animations and satisfying haptic feedback PLAY IN YOUR LANGUAGE • English, Spanish, and Portuguese Free to play. No account required. Just tap and play!

Screenshots

Seadoku4 screens
Eco Mi4 screens

Verdict

The call

The clearest difference is rating: Seadoku at 5.0 against Eco Mi's 4.5. Seadoku also leads on in-app purchases (none vs 7). Eco Mi's advantage is iOS requirement (15.1 vs 18.0). On price, ratings volume, update cadence and ads 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. Eco Mi sells 7 one-off in-app purchases. Seadoku asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

Seadoku holds the better App Store score, 5.0 against 4.5. Both are backed by a comparable volume of ratings — 5 and 2 respectively.

UpkeepUpdate frequency

Seadoku ships an update fortnightly, Eco Mi every 9 days. The most recent releases landed on October 13, 2026 and October 25, 2026 respectively.

Scorecard4 real differences · 6 level
Seadoku versus Eco Mi: the parameters behind the verdict, then further details
ParameterSeadokuEco Mi
PriceFreeFree
Rating5.0 (5 ratings) — better4.5 (2 ratings)
Positive reviews100.0% of reviews—
Number of ratings5 — better2
Update frequencyFortnightlyEvery 9 days — better
AdsYesYes
In-app purchasesNo — betterYes
MonetizationAd-supported — betterFree with in-app purchases
DevicesiPhone, iPad, iPod — betteriPhone, iPod
Requires iOS18.015.1 — better
Further details — not scored
Size62 MB63 MB
Age rating4+4+
DeveloperCHRISTINA STOUTFrank Calise

In-app purchases

None

Seadoku

No in-app purchases

7 purchases

Eco Mi

One-time7
  • Retro Theme$0.99
  • Neon Theme$0.99
  • Pastel Theme$0.99
Show 4 more
  • Retro Sound Pack$0.99
  • Buzzy Sound Pack$0.99
  • Mellow Sound Pack$0.99
  • Remove Ads$2.99

Questions

Is Seadoku free?
Seadoku is free to download, with no in-app purchases.
Is Eco Mi free?
Eco Mi is free to download, with in-app purchases available.
Which has better reviews, Seadoku or Eco Mi?
Seadoku is rated higher. Seadoku averages 5.0 out of 5 from 5 ratings, while Eco Mi averages 4.5 from 2 ratings.
Do Seadoku or Eco Mi have ads?
Both Seadoku and Eco Mi show ads.
Which is updated more often, Seadoku or Eco Mi?
Seadoku ships an update fortnightly, and Eco Mi every 9 days. Most recently, Seadoku was updated on October 13, 2026 and Eco Mi on October 25, 2026.

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