# SGK e vs Echoes

The clearest difference is in-app purchases: SGK e at none against Echoes's 1. SGK e also leads on ads (none vs shown). Echoes's advantage is update cadence (every 11 days vs every 4 months). On price, device support and iOS requirement there is nothing between them.

Both are free to download. Echoes sells 1 in-app purchase, starting at $29.99 per 7 days. SGK e asks for nothing beyond the download.

SGK e ships an update every 4 months, Echoes every 11 days. The most recent releases landed on October 25, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | SGK e | Echoes |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 4 months | **Every 11 days** |
| Size | 58 MB | 69 MB |
| Requires iOS | 15.6 | 15.6 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 17+ |
| Developer | [Instalaxmi Private Limited](https://appshunter.io/developer/1623763280) | [ORFETECH OU](https://appshunter.io/developer/1627236993) |

## What reviewers say

### SGK e

[App page](https://appshunter.io/ios/app/sgk-e-gold/id6443599460)

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

**In-app purchases:** none


### Echoes

[App page](https://appshunter.io/ios/app/echoes-reflection/id6761174641)

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly Premium | $29.99 | per 7 days |


## Frequently asked questions

### Is SGK e free?

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

### Is Echoes free?

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

### Do SGK e or Echoes have ads?

Echoes shows ads; SGK e does not.

### Which is updated more often, SGK e or Echoes?

SGK e ships an update every 4 months, and Echoes every 11 days. Most recently, SGK e was updated on October 25, 2026 and Echoes on October 24, 2026.

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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.*