# 悉迹AI vs C++

The clearest difference is in-app purchases: 悉迹AI at none against C++'s 3. C++'s advantage is ads (none vs shown) and iOS requirement (15.6 vs 17.2). On price, update cadence and device support there is nothing between them.

Both are free to download. C++ sells 3 in-app purchases, starting at $1.99 per month. 悉迹AI asks for nothing beyond the download.

悉迹AI ships an update every 6 weeks, C++ monthly. The most recent releases landed on September 18, 2026 and September 23, 2026 respectively.

## The numbers

| Metric | 悉迹AI | C++ |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | Yes | **No** |
| Update frequency | Every 6 weeks | **Monthly** |
| Size | 12 MB | 102 MB |
| Requires iOS | 17.2 | **15.6** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Nanjing Xiji Intelligent Technology Co., Ltd.](https://appshunter.io/developer/1860361678) | [龙泽 余](https://appshunter.io/developer/1462574966) |

## What reviewers say

### 悉迹AI

[App page](https://appshunter.io/ios/app/ai/id6756570058)

**Features:** macOS Compatibility

**In-app purchases:** none


### C++

[App page](https://appshunter.io/ios/app/c-plus-plus/id6784894776)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 包月会员 | $1.99 | per month |
| 包年会员 | $9.99 | per year |
| 永久会员 | $6.99 | one-time |


## Frequently asked questions

### Is 悉迹AI free?

悉迹AI is free to download, with no in-app purchases.

### Is C++ free?

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

### Do 悉迹AI or C++ have ads?

悉迹AI shows ads; C++ does not.

### Which is updated more often, 悉迹AI or C++?

悉迹AI ships an update every 6 weeks, and C++ monthly. Most recently, 悉迹AI was updated on September 18, 2026 and C++ on September 23, 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.*