# ECHO vs In Two Lights

The clearest difference is in-app purchases: ECHO at none against In Two Lights's 1. In Two Lights's advantage is iOS requirement (13.0 vs 15.0). On price, ads and device support there is nothing between them.

Both are free to download. In Two Lights sells 1 one-off in-app purchase. ECHO asks for nothing beyond the download.

## The numbers

| Metric | ECHO | In Two Lights |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | — | Every 3 weeks |
| Size | 101 MB | 24 MB |
| Requires iOS | 15.0 | **13.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [wapon Inc.](https://appshunter.io/developer/563984006) | [Jheremiah Figueroa](https://appshunter.io/developer/1896724220) |

## What reviewers say

### ECHO

[App page](https://appshunter.io/ios/app/echo-grids-number-puzzle/id6791798318)

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

**In-app purchases:** none


### In Two Lights

[App page](https://appshunter.io/ios/app/in-two-lights/id6797556691)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| All Chapters | $2.99 | one-time |


## Frequently asked questions

### Is ECHO free?

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

### Is In Two Lights free?

In Two Lights is free to download, with in-app purchases available.

### Do ECHO or In Two Lights have ads?

Neither ECHO nor In Two Lights 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.*