# KD Scan vs Lightning go

The clearest difference is update cadence: Lightning go at every 6 days against KD Scan's every 2 months. On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

KD Scan ships an update every 2 months, Lightning go every 6 days. The most recent releases landed on October 9, 2026 and October 1, 2026 respectively.

## The numbers

| Metric | KD Scan | Lightning go |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 6 days** |
| Size | 13 MB | 66 MB |
| Requires iOS | **13.0** | 14.0 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 17+ | 4+ |
| Developer | [Kwangdong Pharmaceutical Co.,Ltd.](https://appshunter.io/developer/1039312592) | [CHINA HONGKONG XING MAI TECHNOLOGY CO,, L.IMITED](https://appshunter.io/developer/1740447755) |

## What reviewers say

### KD Scan

[App page](https://appshunter.io/ios/app/kd-scan/id6477563996)

**Features:** macOS Compatibility

**In-app purchases:** none


### Lightning go

[App page](https://appshunter.io/ios/app/lightning-go/id6744093333)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is KD Scan free?

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

### Is Lightning go free?

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

### Do KD Scan or Lightning go have ads?

Neither KD Scan nor Lightning go shows ads.

### Which is updated more often, KD Scan or Lightning go?

KD Scan ships an update every 2 months, and Lightning go every 6 days. Most recently, KD Scan was updated on October 9, 2026 and Lightning go on October 1, 2026.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*