# Echoraven vs Engram

The clearest difference is in-app purchases: Echoraven at none against Engram's 4. On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. Engram sells 4 in-app purchases, starting at $2.99 per month. Echoraven asks for nothing beyond the download.

## The numbers

| Metric | Echoraven | Engram |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Size | 8 MB | 86 MB |
| Requires iOS | 16.0 | 16.0 |
| Devices | **iPhone, Apple Watch** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Studio Frontier](https://appshunter.io/developer/1773344942) | [Little Fort Software](https://appshunter.io/developer/1850040534) |

## What reviewers say

### Echoraven

[App page](https://appshunter.io/ios/app/echoraven/id6748109519)

**In-app purchases:** none


### Engram

[App page](https://appshunter.io/ios/app/engram-private-ai-notebook/id6786567155)

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Engram Sync | $2.99 | per month |
| Engram Pro | $7.99 | per month |
| Engram Sync | $29.99 | per year |
| Engram Pro (Annual) | $79.99 | per year |


## Frequently asked questions

### Is Echoraven free?

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

### Is Engram free?

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

### Do Echoraven or Engram have ads?

Neither Echoraven nor Engram 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.*