# Kolabi vs Aiko Echo

The clearest difference is in-app purchases: Kolabi at none against Aiko Echo's 2. Aiko Echo's advantage is update cadence (monthly vs every 3 months). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. Aiko Echo sells 2 in-app purchases, starting at $6.69 per 7 days. Kolabi asks for nothing beyond the download.

Kolabi ships an update every 3 months, Aiko Echo monthly. The most recent releases landed on October 25, 2026 and October 9, 2026 respectively.

## The numbers

| Metric | Kolabi | Aiko Echo |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (4 ratings)](https://appshunter.io/ios/app/aiko-echo-ai-keyboard/id6773069730/reviews)** |
| Number of ratings | — | **4** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 3 months | **Monthly** |
| Monetization | — | Freemium |
| Size | 52 MB | 32 MB |
| Requires iOS | **18.2** | 18.6 |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 17+ | 9+ |
| Developer | [Azamat Zarkeshev](https://appshunter.io/developer/1887105411) | [YUJEN CHEN](https://appshunter.io/developer/6773069732) |

## What reviewers say

### Kolabi

[App page](https://appshunter.io/ios/app/kolabi/id6760977115)

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

**In-app purchases:** none


### Aiko Echo

[App page](https://appshunter.io/ios/app/aiko-echo-ai-keyboard/id6773069730)

This AI-powered keyboard assistant helps you craft better messages. It offers suggestions for replies, rephrasing, and tone adjustment directly within your conversations, making communication smoother and more natural.

**Highlights:** AI-powered message replies, Text rephrasing for clarity, Tone adjustment, Personalized reply suggestions, Works across messaging apps, Privacy-focused design

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Aiko Pro | $6.69 | per 7 days |
| Aiko Pro Annual | $79.99 | per year |


## Frequently asked questions

### Is Kolabi free?

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

### Is Aiko Echo free?

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

### Do Kolabi or Aiko Echo have ads?

Neither Kolabi nor Aiko Echo shows ads.

### Which is updated more often, Kolabi or Aiko Echo?

Kolabi ships an update every 3 months, and Aiko Echo monthly. Most recently, Kolabi was updated on October 25, 2026 and Aiko Echo on October 9, 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.*