# DDE vs Chart Echo

The clearest difference is in-app purchases: DDE at none against Chart Echo's 2. DDE also leads on iOS requirement (11.0 vs 15.1). Chart Echo's advantage is device support. On price there is nothing between them.

Both are free to download. Chart Echo sells 2 in-app purchases, starting at $7.99 per month. DDE asks for nothing beyond the download.

## The numbers

| Metric | DDE | Chart Echo |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | — | No |
| Update frequency | — | Weekly |
| Size | 46 MB | 24 MB |
| Requires iOS | **11.0** | 15.1 |
| Devices | — | **iPhone, iPod** |
| Age rating | 17+ | 4+ |
| Developer | [Life Charitable Foundation Inc.](https://appshunter.io/developer/1685872686) | [James Lloyd](https://appshunter.io/developer/6787704581) |

## What reviewers say

### DDE

[App page](https://appshunter.io/ios/app/dde-wallet-merchant/id6480008968)

**In-app purchases:** none


### Chart Echo

[App page](https://appshunter.io/ios/app/chart-echo/id6787704579)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Chart Echo Premium (Monthly) | $7.99 | per month |
| Chart Echo Premium (Yearly) | $79.99 | per year |


## Frequently asked questions

### Is DDE free?

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

### Is Chart Echo free?

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

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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.*