# E vs Echo

The clearest difference is in-app purchases: E at none against Echo's 6. E also leads on iOS requirement (14.0 vs 17.0). On price, update cadence, ads and device support there is nothing between them.

Both are free to download. Echo sells 6 in-app purchases, starting at $4.99 per 7 days. E asks for nothing beyond the download.

E ships an update every 3 weeks, Echo monthly. The most recent releases landed on October 1, 2026 and September 16, 2026 respectively.

## The numbers

| Metric | E | Echo |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.0 (4 ratings)](https://appshunter.io/ios/app/echo-shadow-work-journal/id6738644284/reviews)** |
| Number of ratings | — | **4** |
| Positive reviews | — | 0.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Every 3 weeks** | Monthly |
| Monetization | — | Free with in-app purchases |
| Size | 17 MB | 49 MB |
| Requires iOS | **14.0** | 17.0 |
| Devices | **iPhone, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [SMARTCHIP MICROELECTRONICS CORP.](https://appshunter.io/developer/872823142) | [Engcraft, LLC](https://appshunter.io/developer/1561190842) |

## What reviewers say

### E

[App page](https://appshunter.io/ios/app/e-key/id6502164829)

**In-app purchases:** none


### Echo

[App page](https://appshunter.io/ios/app/echo-shadow-work-journal/id6738644284)

This AI-powered companion transforms voice notes into actionable insights and creative content. It offers transcription, summarization, planning tools, and creative generation features to help you organize and enhance your ideas.

**Highlights:** Voice note transcription, AI-powered summarization, Actionable planning tools, Creative content generation, Mood and grammar analysis, Goal setting

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

**In-app purchases (6)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly Subscription | $4.99 | per 7 days |
| Weekly Subscription | $6.99 | per 7 days |
| Monthly Subscription | $10.49 | per month |
| Monthly Subscription | $14.99 | per month |
| Annual Subscription | $29.99 | per year |
| Annual Subscription | $39.99 | per year |


## Frequently asked questions

### Is E free?

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

### Is Echo free?

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

### Do E or Echo have ads?

Neither E nor Echo shows ads.

### Which is updated more often, E or Echo?

E ships an update every 3 weeks, and Echo monthly. Most recently, E was updated on October 1, 2026 and Echo on September 16, 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.*