ECHO vs Water Loop Puzzle
Price, ratings, monetisation and update history for both games, side by side â with what reviewers say about each.
ECHO
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Every digit you place echoes across the board. ECHO GRID is a fresh kind of logic puzzle about reading the ripples. Place digits 1-3 on a 5x5 board. Each digit sends an echo up, down, left and right, traveling as far as its own value and adding that value to every cell it passes through. Match the target sum of every row and column to clear the stage! SIMPLE TO LEARN, DEEP TO MASTER - One rule: place digits. You'll get it in a minute - A single digit affects several rows and columns at once - plan ahead - Every puzzle has exactly one solution. Pure logic, no guessing SPECIAL CELLS CHANGE EVERYTHING - Walls block echoes - Mirrors bend them 90 degrees - Amplifiers add +1 to passing echoes The same 5x5 board feels completely different with each combination. PLENTY TO PLAY - 100 stages, stepping up from basics to walls, mirrors, amplifiers and beyond - No locks - jump straight to any stage you like - A Daily Challenge shared by players worldwide, with streaks and lifetime stats THINK AT YOUR OWN PACE - Long-press any cell to see exactly which echoes reach it and from where - Stuck? A hint corrects just one cell - Calm neon visuals and soft, soothing sound PERFECT FOR - Fans of sudoku-style and logic puzzles - Short brain workouts on your commute - Quiet, focused play before bed - works offline Available in English and Japanese. Listen to the echoes. One digit changes the whole board.
Water Loop Puzzle
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Zen Loop is a quiet puzzle about one simple idea: close the loop. Rotate each tile until every line meets its neighbour and the path becomes a single unbroken loop. No timer, no pressure â just you and the pattern. HOW IT PLAYS - Tap a tile to rotate it - Connect every end until the loop closes - Levels grow from four-tile warm-ups to dense, satisfying grids - Hints when you want them, never forced WHY YOU'LL STAY - Ink-and-paper art with bamboo, blossom and a red seal - Plays fully offline - Daily bonus, missions and a lucky wheel - Medals for perfect, hint-free solutions A puzzle for winding down rather than winding up.
Screenshots
Verdict
The clearest difference is in-app purchases: ECHO at none against Water Loop Puzzle's 4. ECHO also leads on ads (none vs shown). On price, device support and iOS requirement 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
Both are free to download. Water Loop Puzzle sells 4 one-off in-app purchases. ECHO asks for nothing beyond the download.
| Parameter | ECHO | Water Loop Puzzle |
|---|---|---|
| Price | Free | Free |
| Update frequency | â | Every 3 weeks |
| Ads | No â better | Yes |
| In-app purchases | No â better | Yes |
| Devices | iPhone, iPad, iPod â better | iPhone, iPod |
| Requires iOS | 15.0 | 15.0 |
| Further details â not scored | ||
| Size | 101 MB | 56 MB |
| Age rating | 4+ | 4+ |
| Developer | wapon Inc. | Anastassiya Shugaley |
In-app purchases
ECHO
No in-app purchases
Water Loop Puzzle
- 1,000 Coins$0.99
- Remove Ads$2.99
- 5,500 Coins$3.99
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- 12,000 Coins$7.99
Questions
Is ECHO free?
Is Water Loop Puzzle free?
Do ECHO or Water Loop Puzzle have ads?
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