ECHO vs Chameleon
Price, ratings, monetisation and update history for both games, side by side — with what reviewers say about each.
ECHO
This puzzle game challenges you to cooperate with recordings of your past actions. Solve intricate levels by coordinating with your "echoes" to overcome obstacles and complete complex sequences.
- Time-loop gameplay
- 100 campaign levels
- Daily puzzles
- Endless Zen mode
- Time challenge mode
- Offline play
- Live synthesized music
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Your echoes are your teammates. ECHO is a time-loop puzzle: every run is recorded, and when you press ECHO, your past self replays it - step by step, loop after loop. Hold plates for each other, open doors across time, and thread paths no single runner could ever take. EASY TO LEARN, DEEP TO MASTER - 100 campaign levels across ten decades, from gentle first steps to choreographed finales - Mechanics that weave together: chained doors, counter-doors, double doors, fragile floors, beat walls, paradox boards and mirror echoes that replay your run backwards - Handcrafted signature levels where every single step must be planned FOUR WAYS TO PLAY - Campaign: 100 levels with a carefully tuned difficulty curve - Daily puzzle: one fresh board every day - keep your streak alive - Zen: endless generated puzzles in six difficulties - Time challenge: how many boards can you solve in one run against the clock? MADE WITH CARE - Completely offline: no account, no ads, no tracking, no data collection - Music is synthesized live on your device - no two sessions sound the same - Home-screen widget that grows with your streak - and hides a secret level - Game Center leaderboards and achievements - Available in 7 languages ECHO is free and complete from the first minute. The only purchases are voluntary tips for the developer - they unlock nothing. Your past self is waiting.
Chameleon
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You are the quicksilver piece. After every move you become the next form of the cycle - rook, then knight, then bishop - and every ebony piece on the board must fall. The rule is simple: capture them all, and never end a move on a square an enemy guards. The trick is that the piece you are now is not the piece you will be. Plan the whole transformation, not just the next move. 120 HAND-MADE PUZZLES Eight chapters, each with its own twist: brittle stone that crumbles behind you, salt that holds your form, paired portals, a royal court of pawns, kings and queens. Every puzzle is proven solvable, and every one has a par for three stars. MORE WAYS TO PLAY - Daily Transmutation: a new puzzle every day and a streak to keep - The Athanor: an endless tower of generated floors - The Hourglass: three minutes, as many puzzles as you can solve THE ALCHEMIST'S LABORATORY Captured pieces leave reagents behind. Brew them into Insight, gold and rare elixirs that recolour your quicksilver, furnish your study, and fill a shelf of curiosities. MADE TO FEEL PRECIOUS A floating island above the clouds, liquid-metal morphs, candlelight and an original score. Undo, restart and hints are always at hand; the Oracle's Lens reveals every guarded square. No account, no internet needed, no ads. English, Spanish, German and Russian.
Screenshots
Verdict
The clearest difference is in-app purchases: ECHO at none against Chameleon's 8. Chameleon's advantage is iOS requirement (15.0 vs 17.0). On price, ads 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
Both are free to download. Chameleon sells 8 one-off in-app purchases. ECHO asks for nothing beyond the download.
| Parameter | ECHO | Chameleon |
|---|---|---|
| Price | Free | Free |
| Rating | 4.0 (4 ratings) — better | — |
| Number of ratings | 4 — better | — |
| Update frequency | Every 3 days | — |
| Ads | No | No |
| In-app purchases | No — better | Yes |
| Monetization | Free | — |
| Devices | iPhone | iPhone, iPod — better |
| Requires iOS | 17.0 | 15.0 — better |
| Further details — not scored | ||
| Size | 3 MB | 93 MB |
| Age rating | 4+ | 4+ |
| Developer | Lucas Hesseldieck | Sergey Bragilevskiy |
In-app purchases
ECHO
No in-app purchases
Chameleon
- Pinch of Insight$0.99
- Starlight Elixir$1.99
- Apprentice's Satchel$1.99
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- Chest of Gold$1.99
- Oracle's Lens$2.99
- Vial of Insight$2.99
- Master's Grimoire$4.99
- Cask of Insight$6.99









