# KF Engagement vs Vi

The clearest difference is ads: KF Engagement at none against Vi's shown. Vi's advantage is update cadence (weekly vs every 2 weeks) and iOS requirement (13.0 vs 15.1). On price, 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.

KF Engagement ships an update every 2 weeks, Vi weekly. The most recent releases landed on October 27, 2026 and October 28, 2026 respectively.

## The numbers

| Metric | KF Engagement | Vi |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | Every 2 weeks | **Weekly** |
| Size | 72 MB | 143 MB |
| Requires iOS | 15.1 | **13.0** |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 9+ |
| Developer | [Knight Frank Chartered (Thailand) Co.,Ltd](https://appshunter.io/developer/1301897716) | [新 周](https://appshunter.io/developer/1816947384) |

## What reviewers say

### KF Engagement

[App page](https://appshunter.io/ios/app/kf-engagement/id6443580025)

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

**In-app purchases:** none


### Vi

[App page](https://appshunter.io/ios/app/vi-cam/id6746833548)

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

**In-app purchases:** none


## Frequently asked questions

### Is KF Engagement free?

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

### Is Vi free?

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

### Do KF Engagement or Vi have ads?

Vi shows ads; KF Engagement does not.

### Which is updated more often, KF Engagement or Vi?

KF Engagement ships an update every 2 weeks, and Vi weekly. Most recently, KF Engagement was updated on October 27, 2026 and Vi on October 28, 2026.

---

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