# AI一下 vs 纳米AI

The clearest difference is update cadence: 纳米AI at weekly against AI一下's monthly. 纳米AI also leads on review sentiment (54% vs 38%) and ratings volume (211 vs 25). AI一下's advantage is iOS requirement (13.0 vs 15.0). On price, rating, ads and in-app purchases there is nothing between them.

Both are free to download. AI一下 sells 3 in-app purchases, starting at $9.99 per month 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.

On the App Store both sit at effectively the same score — 4.4 for AI一下 against 4.3 for 纳米AI. That said, the two scores are not equally well evidenced: 纳米AI has 211 ratings behind it against 25, so its average is the more settled of the two. Written reviews are what separate them: 38% of AI一下's written reviews are positive against 54% of 纳米AI's.

AI一下 ships an update monthly, 纳米AI weekly. The most recent releases landed on November 4, 2026 and November 8, 2026 respectively.

## The numbers

| Metric | AI一下 | 纳米AI |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.4 (25 ratings)](https://appshunter.io/ios/app/ai-aiai/id6472443333/reviews)** | [4.3 (211 ratings)](https://appshunter.io/ios/app/ai/id6737763506/reviews) |
| Number of ratings | 25 | **211** |
| Positive reviews | 37.5% of reviews | **53.8% of reviews** |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Monthly | **Weekly** |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 75 MB | 232 MB |
| Requires iOS | **13.0** | 15.0 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 9+ | +17 |
| Developer | [Sunjoy](https://appshunter.io/developer/1725443308) | [Beijing Qihoo Technology Co Ltd](https://appshunter.io/developer/441216575) |

## What reviewers say

### AI一下

[App page](https://appshunter.io/ios/app/ai-aiai/id6472443333)

Generate and edit images using AI with text prompts. This app offers features like changing backgrounds, repainting parts of an image, and merging multiple images. It also includes AI-powered Q&A and a plaza for discovering user-created AI bots.

**Highlights:** AI image creation from text, AI image editing and modification, Background and element replacement, Local image repainting, Multi-image style merging, AI-powered Q&A and conversation, Inspiration plaza with user-created bots

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 月度会员 | $9.99 | per month |
| 年度会员 | $24.99 | per year |
| 终身会员 | $29.99 | 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 AI一下 free?

AI一下 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, AI一下 or 纳米AI?

AI一下 is rated higher. AI一下 averages 4.4 out of 5 from 25 ratings, while 纳米AI averages 4.3 from 211 ratings.

### Do AI一下 or 纳米AI have ads?

Neither AI一下 nor 纳米AI shows ads.

### Which is updated more often, AI一下 or 纳米AI?

AI一下 ships an update monthly, and 纳米AI weekly. Most recently, AI一下 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.*