# Echo IM vs Vellum

The clearest difference is in-app purchases: Echo IM at none against Vellum's 1. Vellum's advantage is update cadence (daily vs weekly) and iOS requirement (18.6 vs 26.2). On price, ads and device support there is nothing between them.

Both are free to download. Vellum sells 1 one-off in-app purchase. Echo IM asks for nothing beyond the download.

Echo IM ships an update weekly, Vellum daily. The most recent releases landed on September 19, 2026 and September 10, 2026 respectively.

## The numbers

| Metric | Echo IM | Vellum |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Weekly | **Daily** |
| Size | 95 MB | 42 MB |
| Requires iOS | 26.2 | **18.6** |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Tadwill & Co., Limited](https://appshunter.io/developer/351931205) | [四扬 叶](https://appshunter.io/developer/6797699915) |

## What reviewers say

### Echo IM

[App page](https://appshunter.io/ios/app/echo-im/id6757745646)

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

**In-app purchases:** none


### Vellum

[App page](https://appshunter.io/ios/app/vellum-topic-notes-and-ideas/id6799964763)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Vellum pro lifetime | $2.99 | one-time |


## Frequently asked questions

### Is Echo IM free?

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

### Is Vellum free?

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

### Do Echo IM or Vellum have ads?

Neither Echo IM nor Vellum shows ads.

### Which is updated more often, Echo IM or Vellum?

Echo IM ships an update weekly, and Vellum daily. Most recently, Echo IM was updated on September 19, 2026 and Vellum on September 10, 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.*