# ECHO vs Chameleon

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.

Both are free to download. Chameleon sells 8 one-off in-app purchases. ECHO asks for nothing beyond the download.

## The numbers

| Metric | ECHO | Chameleon |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.0 (4 ratings)](https://appshunter.io/ios/app/echo-time-loop-puzzle/id6791749935/reviews)** | — |
| Number of ratings | **4** | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 3 days | — |
| Monetization | Free | — |
| Size | 3 MB | 93 MB |
| Requires iOS | 17.0 | **15.0** |
| Devices | iPhone | **iPhone, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Lucas Hesseldieck](https://appshunter.io/developer/6788079537) | [Sergey Bragilevskiy](https://appshunter.io/developer/1891085676) |

## What reviewers say

### ECHO

[App page](https://appshunter.io/ios/app/echo-time-loop-puzzle/id6791749935)

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.

**Highlights:** Time-loop gameplay, 100 campaign levels, Daily puzzles, Endless Zen mode, Time challenge mode, Offline play, Live synthesized music

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


### Chameleon

[App page](https://appshunter.io/ios/app/chameleon-chess-puzzle-game/id6817222324)

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases (8)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pinch of Insight | $0.99 | one-time |
| Starlight Elixir | $1.99 | one-time |
| Apprentice's Satchel | $1.99 | one-time |
| Chest of Gold | $1.99 | one-time |
| Oracle's Lens | $2.99 | one-time |
| Vial of Insight | $2.99 | one-time |
| Master's Grimoire | $4.99 | one-time |
| Cask of Insight | $6.99 | one-time |


## Frequently asked questions

### Is ECHO free?

ECHO is free to download, with no in-app purchases.

### Is Chameleon free?

Chameleon is free to download, with in-app purchases available.

### Do ECHO or Chameleon have ads?

Neither ECHO nor Chameleon shows ads.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*