# Sona vs Aiko Echo

The clearest difference is update cadence: Sona at every 3 days against Aiko Echo's monthly. Aiko Echo's advantage is ratings volume (4 vs 1). On price, rating, review sentiment and ads there is nothing between them.

Both are free to download. Sona sells 3 in-app purchases, starting at $4.99 per month and Aiko Echo sells 2 in-app purchases, starting at $6.69 per 7 days. Whichever you choose, the download price is not the number that matters.

On the App Store both sit at effectively the same score — 5.0 for Sona against 5.0 for Aiko Echo. Both are backed by a comparable volume of ratings — 1 and 4 respectively. Written reviews split almost evenly too, at 100% and 100% positive.

Sona ships an update every 3 days, Aiko Echo monthly. The most recent releases landed on October 28, 2026 and October 9, 2026 respectively.

## The numbers

| Metric | Sona | Aiko Echo |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [5.0 (1 ratings)](https://appshunter.io/ios/app/sona-ai-chat-bot-assistant/id6761487038/reviews) | [5.0 (4 ratings)](https://appshunter.io/ios/app/aiko-echo-ai-keyboard/id6773069730/reviews) |
| Number of ratings | 1 | **4** |
| Positive reviews | 100.0% of reviews | 100.0% of reviews |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Every 3 days** | Monthly |
| Monetization | Free with in-app purchases | Freemium |
| Size | 23 MB | 32 MB |
| Requires iOS | **17.0** | 18.6 |
| Devices | **iPhone, iPad, Apple Watch** | iPhone, iPad |
| Age rating | 4+ | 9+ |
| Developer | [Ranju Jha](https://appshunter.io/developer/1784096548) | [YUJEN CHEN](https://appshunter.io/developer/6773069732) |

## What reviewers say

### Sona

[App page](https://appshunter.io/ios/app/sona-ai-chat-bot-assistant/id6761487038)

This AI assistant leverages voice commands to provide instant answers and creative assistance across various domains. It offers specialized personas for coding, fitness, cooking, language translation, education, and mindfulness, with advanced features available through a subscription.

**Highlights:** Voice-first AI interaction, Eight expert personas, Streaming answers, Web search with citations, Image understanding (Pro), Cross-device support (Watch, iPhone, iPad)

**Features:** macOS Compatibility, Family Sharing, Apple Watch app, Vision Pro support

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Sona Pro Monthly | $4.99 | per month |
| Sona Pro Yearly | $29.99 | per year |
| Sona Pro Lifetime | $59.99 | one-time |


### 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 Sona free?

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

### Is Aiko Echo free?

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

### Which has better reviews, Sona or Aiko Echo?

Sona and Aiko Echo are both rated 5.0 out of 5 on the App Store, from 1 and 4 ratings respectively.

### Do Sona or Aiko Echo have ads?

Neither Sona nor Aiko Echo shows ads.

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

Sona ships an update every 3 days, and Aiko Echo monthly. Most recently, Sona was updated on October 28, 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.*