# AI PEN Pro vs TKLingo

The clearest difference is in-app purchases: AI PEN Pro at none against TKLingo's 4. TKLingo's advantage is update cadence (daily vs every 11 days). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. TKLingo sells 4 one-off in-app purchases. AI PEN Pro asks for nothing beyond the download.

AI PEN Pro ships an update every 11 days, TKLingo daily. The most recent releases landed on October 30, 2026 and November 10, 2026 respectively.

## The numbers

| Metric | AI PEN Pro | TKLingo |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 11 days | **Daily** |
| Size | 93 MB | 28 MB |
| Requires iOS | 15.6 | **15.0** |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 12+ | 4+ |
| Developer | [伟才 韦](https://appshunter.io/developer/1638023194) | [Shanghai PalmZen Wireless Technology Co.,Ltd](https://appshunter.io/developer/441512718) |

## What reviewers say

### AI PEN Pro

[App page](https://appshunter.io/ios/app/ai-pen-pro/id6745867900)

**Features:** macOS Compatibility

**In-app purchases:** none


### TKLingo

[App page](https://appshunter.io/ios/app/tklingo/id6796593924)

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 直播翻译时长300分钟 | $0.29 | one-time |
| 直播翻译时长60分钟 | $2.99 | one-time |
| 直播翻译时长720分钟 | $29.99 | one-time |
| 直播翻译时长9000分钟 | $299.99 | one-time |


## Frequently asked questions

### Is AI PEN Pro free?

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

### Is TKLingo free?

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

### Do AI PEN Pro or TKLingo have ads?

Neither AI PEN Pro nor TKLingo shows ads.

### Which is updated more often, AI PEN Pro or TKLingo?

AI PEN Pro ships an update every 11 days, and TKLingo daily. Most recently, AI PEN Pro was updated on October 30, 2026 and TKLingo on November 10, 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.*