# Nova AI：官方正版AI聊天机器人 vs 私语 (Siyu)

The clearest difference is in-app purchases: 私语 (Siyu) at none against Nova AI：官方正版AI聊天机器人's 5. 私语 (Siyu) also leads on update cadence (daily vs every 8 days). Nova AI：官方正版AI聊天机器人's advantage is iOS requirement (12.0 vs 16.0). On price, ads and device support there is nothing between them.

Both are free to download. Nova AI：官方正版AI聊天机器人 sells 5 in-app purchases, starting at $3.99 per 7 days. 私语 (Siyu) asks for nothing beyond the download.

Nova AI：官方正版AI聊天机器人 ships an update every 8 days, 私语 (Siyu) daily. The most recent releases landed on October 24, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | Nova AI：官方正版AI聊天机器人 | 私语 (Siyu) |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 8 days | **Daily** |
| Monetization | Free with in-app purchases | — |
| Size | 96 MB | 1 MB |
| Requires iOS | **12.0** | 16.0 |
| Devices | **iPhone, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [深圳市未来技术科技有限公司](https://appshunter.io/developer/1590320102) | [Moredodo Network Tech Co., Ltd.](https://appshunter.io/developer/947225492) |

## What reviewers say

### Nova AI：官方正版AI聊天机器人

[App page](https://appshunter.io/ios/app/nova-aiai/id6461415921)

This AI chatbot offers intelligent answers to your questions and assists with creative writing tasks like articles and poems. It remembers conversation history and supports voice input for a seamless user experience.

**Highlights:** Intelligent Q&A, Contextual chat, Voice chat support, Chat history saving, Creative writing assistance, Daily/Weekly report generation

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

**In-app purchases (5)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 一周VIP会员 | $3.99 | per 7 days |
| 一个月VIP会员 | $6.99 | per month |
| 一季度VIP会员 | $9.99 | per 3 months |
| 一年VIP会员 | $14.99 | per year |
| 终身VIP会员 | $29.99 | one-time |


### 私语 (Siyu)

[App page](https://appshunter.io/ios/app/siyu/id6761537604)

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

**In-app purchases:** none


## Frequently asked questions

### Is Nova AI：官方正版AI聊天机器人 free?

Nova AI：官方正版AI聊天机器人 is free to download, with in-app purchases available.

### Is 私语 (Siyu) free?

私语 (Siyu) is free to download, with no in-app purchases.

### Do Nova AI：官方正版AI聊天机器人 or 私语 (Siyu) have ads?

Neither Nova AI：官方正版AI聊天机器人 nor 私语 (Siyu) shows ads.

### Which is updated more often, Nova AI：官方正版AI聊天机器人 or 私语 (Siyu)?

Nova AI：官方正版AI聊天机器人 ships an update every 8 days, and 私语 (Siyu) daily. Most recently, Nova AI：官方正版AI聊天机器人 was updated on October 24, 2026 and 私语 (Siyu) on October 25, 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.*