# Echo vs Docify AI

The clearest difference is in-app purchases: Docify AI at none against Echo's 1. Docify AI also leads on device support (3 vs 1) and iOS requirement (12.0 vs 18.0). Echo's advantage is ads (none vs shown). On price and update cadence there is nothing between them.

Both are free to download. Echo sells 1 in-app purchase, starting at $19.99 per month. Docify AI asks for nothing beyond the download.

Echo ships an update monthly, Docify AI every 2 months. The most recent releases landed on September 17, 2026 and August 16, 2026 respectively.

## The numbers

| Metric | Echo | Docify AI |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | Yes | **No** |
| Ads | **No** | Yes |
| Update frequency | **Monthly** | Every 2 months |
| Monetization | — | Ad-supported |
| Size | 73 MB | 142 MB |
| Requires iOS | 18.0 | **12.0** |
| Devices | iPhone | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Gomeo Inc.](https://appshunter.io/developer/1708590646) | [TAPI GROUP CO.,LTD](https://appshunter.io/developer/1648838672) |

## What reviewers say

### Echo

[App page](https://appshunter.io/ios/app/echo-thinks-like-you/id6670276532)

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pro | $19.99 | per month |


### Docify AI

[App page](https://appshunter.io/ios/app/docify-ai-scan-image-pdf/id6740945373)

Transform physical documents into high-quality digital PDFs instantly. This app offers effortless scanning, organization, and secure sharing of your important papers, notes, and receipts.

**Highlights:** Effortless document scanning, Crystal-clear PDF quality, Super-fast processing, Organize documents with folders, Seamless sharing options, Secure password protection, Batch scanning, Automatic edge detection

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

**In-app purchases:** none


## Frequently asked questions

### Is Echo free?

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

### Is Docify AI free?

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

### Do Echo or Docify AI have ads?

Docify AI shows ads; Echo does not.

### Which is updated more often, Echo or Docify AI?

Echo ships an update monthly, and Docify AI every 2 months. Most recently, Echo was updated on September 17, 2026 and Docify AI on August 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.*