# M23 vs Siena

The clearest difference is update cadence: M23 at daily against Siena's weekly. M23 also leads on rating (1.3 vs 1.0) and ratings volume (3 vs 1). On price, review sentiment, ads and in-app purchases there is nothing between them.

Both are free to download. M23 sells 5 in-app purchases, starting at $19.99 per month and Siena sells 3 in-app purchases, starting at $6.99 per 7 days. Whichever you choose, the download price is not the number that matters.

M23 holds the better App Store score, 1.3 against 1.0. Both are backed by a comparable volume of ratings — 3 and 1 respectively. Written reviews split almost evenly too, at 0% and 0% positive.

M23 ships an update daily, Siena weekly. The most recent releases landed on October 1, 2026 and October 13, 2026 respectively.

## The numbers

| Metric | M23 | Siena |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[1.3 (3 ratings)](https://appshunter.io/ios/app/m23/id6751410136/reviews)** | [1.0 (1 ratings)](https://appshunter.io/ios/app/siena-talk/id6752552398/reviews) |
| Number of ratings | **3** | 1 |
| Positive reviews | 0.0% of reviews | 0.0% of reviews |
| In-app purchases | Yes | Yes |
| Ads | Yes | Yes |
| Update frequency | **Daily** | Weekly |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 43 MB | 87 MB |
| Requires iOS | 15.6 | 15.6 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 17+ |
| Developer | [TeamLearners Inc.](https://appshunter.io/developer/1680443834) | [Shaanxi IceFrog Network Technology Co., Ltd.](https://appshunter.io/developer/1839838596) |

## What reviewers say

### M23

[App page](https://appshunter.io/ios/app/m23/id6751410136)

Engage with an AI companion that possesses its own memory and emotions, evolving over time. This AI is designed to be more than a simple chatbot, offering a unique interactive experience.

**Highlights:** AI with memory and feelings, Independent thought and action, Personalized growth and evolution, Daily greetings and updates, Dynamic interaction and change

**Features:** macOS Compatibility

**In-app purchases (5)**

| Purchase | Price | Billing |
| --- | --- | --- |
| M23 Pro - Monthly | $19.99 | per month |
| 20 Hearts | $19.99 | one-time |
| 50 Hearts | $49.99 | one-time |
| 100 Hearts | $99.99 | one-time |
| 400 Hearts | $399.99 | one-time |


### Siena

[App page](https://appshunter.io/ios/app/siena-talk/id6752552398)

Engage in dynamic conversations with an AI chatbot that can answer questions, offer emotional support, and even act as a personalized character. Customize AI personalities and backgrounds for unique interactions. Enhance images with one-click filters.

**Highlights:** AI-powered Q&A, Emotional counseling support, Customizable AI character personalities, Image filtering and enhancement, Speech-to-text and text-to-speech interaction, Personalized dialogue alignment

**Features:** macOS Compatibility

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Siena-Weekly Pass | $6.99 | per 7 days |
| Siena-Monthly Plan | $12.99 | per month |
| Siena-Annual Pack | $99.99 | per year |


## Frequently asked questions

### Is M23 free?

M23 is free to download, with in-app purchases available.

### Is Siena free?

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

### Which has better reviews, M23 or Siena?

M23 is rated higher. M23 averages 1.3 out of 5 from 3 ratings, while Siena averages 1.0 from 1 ratings.

### Do M23 or Siena have ads?

Both M23 and Siena show ads.

### Which is updated more often, M23 or Siena?

M23 ships an update daily, and Siena weekly. Most recently, M23 was updated on October 1, 2026 and Siena on October 13, 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.*