# SundAi vs 纳米AI

The clearest difference is review sentiment: SundAi at 80% against 纳米AI's 54%. SundAi also leads on rating (4.5 vs 4.3) and iOS requirement (13.0 vs 15.0). 纳米AI's advantage is ratings volume (211 vs 4) and update cadence (weekly vs every 2 weeks). On price, ads, in-app purchases and monetization model there is nothing between them.

Both are free to download. SundAi sells 9 one-off in-app purchases and 纳米AI sells 10 in-app purchases, starting at $6.99 per month. Whichever you choose, the download price is not the number that matters.

SundAi holds the better App Store score, 4.5 against 4.3. That said, the two scores are not equally well evidenced: 纳米AI has 211 ratings behind it against 4, so its average is the more settled of the two. Written reviews point the same way: 80% of SundAi's written reviews are positive against 54% of 纳米AI's.

SundAi ships an update every 2 weeks, 纳米AI weekly. The most recent releases landed on November 4, 2026 and November 8, 2026 respectively.

## The numbers

| Metric | SundAi | 纳米AI |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.5 (4 ratings)](https://appshunter.io/ios/app/sundai-aimv/id6657961084/reviews)** | [4.3 (211 ratings)](https://appshunter.io/ios/app/ai/id6737763506/reviews) |
| Number of ratings | 4 | **211** |
| Positive reviews | **80.0% of reviews** | 53.8% of reviews |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 2 weeks | **Weekly** |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 45 MB | 232 MB |
| Requires iOS | **13.0** | 15.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | +17 |
| Developer | [Xiamen Jiashizi Network Technology Co., Ltd](https://appshunter.io/developer/1707828323) | [Beijing Qihoo Technology Co Ltd](https://appshunter.io/developer/441216575) |

## What reviewers say

### SundAi

[App page](https://appshunter.io/ios/app/sundai-aimv/id6657961084)

Generate original songs with AI based on your creative descriptions. This tool simplifies music creation, allowing anyone to produce unique tracks from their ideas. Start your songwriting journey effortlessly.

**Highlights:** AI song generation, Text-to-music creation, Creative inspiration input, Music production tool, Effortless songwriting

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

**In-app purchases (9)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 原创证明 | $0.99 | one-time |
| 300积分 | $9.99 | one-time |
| 500积分 | $12.99 | one-time |
| 季度会员 | $14.99 | one-time |
| 年会员 | $19.99 | one-time |
| 1000积分 | $19.99 | one-time |
| 永久会员 | $29.99 | one-time |
| 2000积分 | $29.99 | one-time |
| 5000积分 | $69.99 | one-time |


### 纳米AI

[App page](https://appshunter.io/ios/app/ai/id6737763506)

This AI assistant generates professional-grade videos, reports, and presentations from simple text prompts. It integrates multiple expert AI models and tools to handle complex tasks across various life, work, and creative scenarios, offering a more direct answer than traditional search.

**Highlights:** Generate expert videos from text, Create professional reports and PPTs, Utilize multiple integrated AI models, Customizable AI agents and tools, Personalized search with knowledge base, Image and voice-to-video creation, Multi-modal search (text, voice, photo)

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

**In-app purchases (10)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 连续包月VIP | $6.99 | per month |
| 连续包季VIP | $19.99 | per 3 months |
| 连续包年VIP | $69.99 | per year |
| 100纳米 | $0.99 | one-time |
| 300纳米 | $3.99 | one-time |
| 1个月VIP | $7.99 | one-time |
| 1000纳米 | $14.99 | one-time |
| 年卡（活动） | $59.99 | one-time |
| 5000纳米 | $69.99 | one-time |
| 36个月 | $99.99 | one-time |

**What reviewers like**

- 🚀 Fast search and text organization capabilities
- 👍 Feels good
- 🚀 Fast response speed
- 👍 Convenient and practical

**What reviewers complain about**

- 🐛 No dark mode
- 🐛 Unable to open on Apple Mac
- 🗑️ Trash software
- 🗑️ Deceptive advertising
- 🗑️ Terrible company and software

**Reported bugs**

- Unable to receive verification code for overseas users
- App crashes on older devices

**Requested features**

- Dark mode option
- AI video generation queue improvement


## Frequently asked questions

### Is SundAi free?

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

### Is 纳米AI free?

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

### Which has better reviews, SundAi or 纳米AI?

SundAi is rated higher. SundAi averages 4.5 out of 5 from 4 ratings, while 纳米AI averages 4.3 from 211 ratings.

### Do SundAi or 纳米AI have ads?

Neither SundAi nor 纳米AI shows ads.

### Which is updated more often, SundAi or 纳米AI?

SundAi ships an update every 2 weeks, and 纳米AI weekly. Most recently, SundAi was updated on November 4, 2026 and 纳米AI on November 8, 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.*