# 通达OA vs 纳米AI

The clearest difference is review sentiment: 纳米AI at 54% against 通达OA's 17%. 通达OA's advantage is in-app purchases (none vs 16) and iOS requirement (13 vs 15.0). On price, update cadence, ads and device support there is nothing between them.

Both are free to download. 纳米AI sells 14 in-app purchases, starting at $6.99 per month. 通达OA asks for nothing beyond the download.

通达OA ships an update every 9 days, 纳米AI weekly. The most recent releases landed on September 18, 2026 and September 24, 2026 respectively.

## The numbers

| Metric | 通达OA | 纳米AI |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.3 (211 ratings)](https://appshunter.io/ios/app/ai/id6737763506/reviews)** |
| Number of ratings | — | **211** |
| Positive reviews | 17.4% of reviews | **53.8% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 9 days | **Weekly** |
| Monetization | **Free** | Free with in-app purchases |
| Size | 210 MB | 231 MB |
| Requires iOS | **13** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 17+ | 17+ |
| Developer | [北京通达信科科技有限公司](https://appshunter.io/developer/1018115125) | [Beijing Qihoo Technology Co Ltd](https://appshunter.io/developer/441216575) |

## What reviewers say

### 通达OA

[App page](https://appshunter.io/ios/app/oa/id1476669086)

This mobile application provides a networked intelligent office system for businesses. It offers features like email, announcements, scheduling, and workflow management to enhance productivity.

**Highlights:** Email, Announcements, Schedule Management, Contact Directory, Workflow, Micro-messages

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

**In-app purchases:** none


### 纳米AI

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

This app acts as a super intelligent agent, generating expert-level videos, reports, and presentations from simple text prompts. It offers specialized AI agents for various tasks, including image editing, digital human video creation, and PPT generation, all powered by multiple large language models.

**Highlights:** Generate videos, reports, and PPTs from text, Specialized AI agents for various tasks, Digital human video creation, Professional image editing, PPT generation from themes or files, Integrated with 16 large language models, Personalized knowledge base

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

**In-app purchases (14)**

| 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 |
| 6个月VIP | $49.99 | one-time |
| 年卡（活动） | $59.99 | one-time |
| 5000纳米 | $69.99 | one-time |
| 15个月VIP（限时活动） | $79.99 | one-time |
| 12个月VIP | $79.99 | one-time |
| 36个月 | $99.99 | one-time |
| 10000纳米 | $149.99 | 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 通达OA free?

通达OA is free to download, with no in-app purchases.

### Is 纳米AI free?

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

### Do 通达OA or 纳米AI have ads?

Neither 通达OA nor 纳米AI shows ads.

### Which is updated more often, 通达OA or 纳米AI?

通达OA ships an update every 9 days, and 纳米AI weekly. Most recently, 通达OA was updated on September 18, 2026 and 纳米AI on September 24, 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.*