# TKstock vs 玄玑AI

The clearest difference is in-app purchases: TKstock at none against 玄玑AI's 6. 玄玑AI's advantage is ads (none vs shown) and iOS requirement (13.0 vs 15.0). On price, update cadence and device support there is nothing between them.

Both are free to download. 玄玑AI sells 6 one-off in-app purchases. TKstock asks for nothing beyond the download.

TKstock ships an update fortnightly, 玄玑AI monthly. The most recent releases landed on September 18, 2026 and September 13, 2026 respectively.

## The numbers

| Metric | TKstock | 玄玑AI |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | Yes | **No** |
| Update frequency | **Fortnightly** | Monthly |
| Size | 34 MB | 55 MB |
| Requires iOS | 15.0 | **13.0** |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 17+ | 4+ |
| Developer | [Shenzhen Deep Tracking Artificial Intelligence Co., Ltd](https://appshunter.io/developer/1802634787) | [Shanghai Xuanji Yaoling Technology Co., Ltd](https://appshunter.io/developer/1866326997) |

## What reviewers say

### TKstock

[App page](https://appshunter.io/ios/app/tkstock/id6745003004)

**Features:** macOS Compatibility

**In-app purchases:** none


### 玄玑AI

[App page](https://appshunter.io/ios/app/ai/id6757354242)

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

**In-app purchases (6)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 擒龙VIP月度会员 | $69.99 | one-time |
| 趋势VIP月度会员 | $69.99 | one-time |
| 擒龙VIP季度会员 | $199.99 | one-time |
| 趋势VIP季度会员 | $199.99 | one-time |
| 擒龙VIP年度会员 | $699.99 | one-time |
| 趋势VIP年度会员 | $699.99 | one-time |


## Frequently asked questions

### Is TKstock free?

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

### Is 玄玑AI free?

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

### Do TKstock or 玄玑AI have ads?

TKstock shows ads; 玄玑AI does not.

### Which is updated more often, TKstock or 玄玑AI?

TKstock ships an update fortnightly, and 玄玑AI monthly. Most recently, TKstock was updated on September 18, 2026 and 玄玑AI on September 13, 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.*