# CompactifAI vs EchoX

The clearest difference is in-app purchases: CompactifAI at none against EchoX's 3. CompactifAI also leads on update cadence (fortnightly vs every 3 months) and iOS requirement (16.4 vs 26.0). On price, ads and device support there is nothing between them.

Both are free to download. EchoX sells 3 in-app purchases, starting at $2.99 per 7 days. CompactifAI asks for nothing beyond the download.

CompactifAI ships an update fortnightly, EchoX every 3 months. Both last shipped on October 24, 2026.

## The numbers

| Metric | CompactifAI | EchoX |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 50.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Fortnightly** | Every 3 months |
| Monetization | Free | — |
| Size | 80 MB | 18 MB |
| Requires iOS | **16.4** | 26.0 |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Multiverse Computing](https://appshunter.io/developer/1797514174) | [Nguyen Van Sy](https://appshunter.io/developer/1234068205) |

## What reviewers say

### CompactifAI

[App page](https://appshunter.io/ios/app/compactifai/id6749544702)

Interact with advanced AI models directly on your device, even without an internet connection. This app uses compressed AI models for fast, accurate, and energy-efficient performance, ideal for mobile professionals and privacy-sensitive tasks.

**Highlights:** Fully offline AI model execution, No internet or cloud dependency, Compressed AI models for efficiency, Smart routing for hybrid AI requests, On-device and API-based model integration

**In-app purchases:** none


### EchoX

[App page](https://appshunter.io/ios/app/echox-ai-notes-and-recorder/id6777022636)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly | $2.99 | per 7 days |
| Monthly | $6.99 | per month |
| Yearly | $44.99 | per year |


## Frequently asked questions

### Is CompactifAI free?

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

### Is EchoX free?

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

### Do CompactifAI or EchoX have ads?

Neither CompactifAI nor EchoX shows ads.

### Which is updated more often, CompactifAI or EchoX?

CompactifAI ships an update fortnightly, and EchoX every 3 months. Most recently, CompactifAI was updated on October 24, 2026 and EchoX 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.*