# Synonym Studio vs Echo

The clearest difference is price: Echo at Free against Synonym Studio's $5.99. Echo also leads on update cadence (every 5 days vs every 6 months). Synonym Studio's advantage is in-app purchases (none vs 2) and device support (3 vs 1). On ads there is nothing between them.

Echo is free to download; Synonym Studio costs $5.99 up front. Echo sells 2 in-app purchases, starting at $5.99 per month. Synonym Studio asks for nothing beyond the download.

Synonym Studio ships an update every 6 months, Echo every 5 days. The most recent releases landed on October 20, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | Synonym Studio | Echo |
| --- | --- | --- |
| Price | $5.99 | **Free** |
| Rating | — | **[4.0 (1 ratings)](https://appshunter.io/ios/app/echo-english-shadowing/id6759615101/reviews)** |
| Number of ratings | — | **1** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 6 months | **Every 5 days** |
| Size | 109 MB | 21 MB |
| Requires iOS | **15.1** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [SimTeCon GmbH](https://appshunter.io/developer/1761797043) | [Pham Anh Tuan](https://appshunter.io/developer/1539638115) |

## What reviewers say

### Synonym Studio

[App page](https://appshunter.io/ios/app/synonym-studio/id6739427856)

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

**In-app purchases:** none


### Echo

[App page](https://appshunter.io/ios/app/echo-english-shadowing/id6759615101)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly | $5.99 | per month |
| Annually Subscription | $49.99 | per year |


## Frequently asked questions

### Is Synonym Studio free?

Synonym Studio costs $5.99, with no in-app purchases.

### Is Echo free?

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

### Do Synonym Studio or Echo have ads?

Neither Synonym Studio nor Echo shows ads.

### Which is updated more often, Synonym Studio or Echo?

Synonym Studio ships an update every 6 months, and Echo every 5 days. Most recently, Synonym Studio was updated on October 20, 2026 and Echo 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.*