# Echo vs microAI

The clearest difference is price: microAI at Free against Echo's $6.99. Echo's advantage is in-app purchases (none vs 4). On update cadence, ads, device support and iOS requirement there is nothing between them.

microAI is free to download; Echo costs $6.99 up front. microAI sells 4 in-app purchases, starting at $0.99 per month. Echo asks for nothing beyond the download.

Echo ships an update every 5 days, microAI every 9 days. Both last shipped on October 7, 2026.

## The numbers

| Metric | Echo | microAI |
| --- | --- | --- |
| Price | $6.99 | **Free** |
| Rating | — | **[5.0 (2 ratings)](https://appshunter.io/ios/app/microai/id6744488702/reviews)** |
| Number of ratings | — | **2** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Every 5 days** | Every 9 days |
| Monetization | — | Free with in-app purchases |
| Size | 16 MB | 234 MB |
| Requires iOS | 17.6 | **16.4** |
| Devices | iPhone, iPad | iPhone, Mac |
| Age rating | 4+ | 9+ |
| Developer | [Umi Indigo LLC](https://appshunter.io/developer/1679236790) | [genghong Xie](https://appshunter.io/developer/1785558382) |

## What reviewers say

### Echo

[App page](https://appshunter.io/ios/app/echo-ai/id6741455864)

**Features:** macOS Compatibility

**In-app purchases:** none


### microAI

[App page](https://appshunter.io/ios/app/microai/id6744488702)

This app provides a private, local AI workspace that organizes your thoughts, projects, and files. It allows you to run AI chat on your device, manage AI models, and build a personal memory system for enhanced productivity and offline use.

**Highlights:** Private Memory Map, Local AI Chat, Long-Term Memory, Projects With Context, Chat With Local Files, Private Journal, GGUF Model Management

**Features:** Vision Pro support

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| microAI Pro – Monthly | $0.99 | per month |
| microAI Pro – Yearly | $5.99 | per year |
| Remove Ads | $4.99 | one-time |
| microAI Pro – Lifetime | $9.99 | one-time |


## Frequently asked questions

### Is Echo free?

Echo costs $6.99, with no in-app purchases.

### Is microAI free?

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

### Do Echo or microAI have ads?

Neither Echo nor microAI shows ads.

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

Echo ships an update every 5 days, and microAI every 9 days. Most recently, Echo was updated on October 7, 2026 and microAI on October 7, 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.*