# 纳米AI vs 格式转换

The clearest difference is review sentiment: 格式转换 at 84% against 纳米AI's 54%. 格式转换 also leads on iOS requirement (13.0 vs 15.0). On price, update cadence, ads and in-app purchases there is nothing between them.

Both are free to download. 纳米AI sells 10 in-app purchases, starting at $6.99 per month and 格式转换 sells 5 in-app purchases, starting at $2.99 per 7 days. Whichever you choose, the download price is not the number that matters.

Both ship on a similar rhythm, roughly weekly. Both last shipped on November 8, 2026.

## The numbers

| Metric | 纳米AI | 格式转换 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.3 (211 ratings)](https://appshunter.io/ios/app/ai/id6737763506/reviews)** | — |
| Number of ratings | **211** | — |
| Positive reviews | 53.8% of reviews | **84.0% of reviews** |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Weekly | Weekly |
| Monetization | Free with in-app purchases | Freemium |
| Size | 232 MB | 115 MB |
| Requires iOS | 15.0 | **13.0** |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | +17 | 4+ |
| Developer | [Beijing Qihoo Technology Co Ltd](https://appshunter.io/developer/441216575) | [ZHN Co., Ltd.](https://appshunter.io/developer/1510482803) |

## What reviewers say

### 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


### 格式转换

[App page](https://appshunter.io/ios/app/id6740067513)

Effortlessly convert, compress, and manage your media files. This tool supports hundreds of video, audio, and image formats, offering intelligent compression without sacrificing quality. Extract audio from videos and easily manage your device's storage.

**Highlights:** Video, audio, and image format conversion, Intelligent compression up to 90%, Audio extraction from videos, Batch processing for over 1000 files, High-quality output with custom settings, Ad-free user experience

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

**In-app purchases (5)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly Subscription | $2.99 | per 7 days |
| 周会员 | $2.99 | per 7 days |
| 月度会员 | $3.99 | per month |
| 半年会员 | $7.99 | per 6 months |
| 年度会员 | $14.99 | one-time |


## Frequently asked questions

### Is 纳米AI free?

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

### Is 格式转换 free?

格式转换 is free to download, with in-app purchases available.

### Do 纳米AI or 格式转换 have ads?

Neither 纳米AI nor 格式转换 shows ads.

### Which is updated more often, 纳米AI or 格式转换?

纳米AI ships an update weekly, and 格式转换 weekly. Most recently, 纳米AI was updated on November 8, 2026 and 格式转换 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.*