# Kaer Tracker vs Vi

The clearest difference is ads: Kaer Tracker at none against Vi's shown. Vi's advantage is update cadence (every 6 days vs every 6 weeks). On price, in-app purchases, device support and iOS requirement there is nothing between them.

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

Kaer Tracker ships an update every 6 weeks, Vi every 6 days. The most recent releases landed on September 9, 2026 and September 14, 2026 respectively.

## The numbers

| Metric | Kaer Tracker | Vi |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | Every 6 weeks | **Every 6 days** |
| Size | 10 MB | 126 MB |
| Requires iOS | 14.4 | **13.0** |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 9+ |
| Developer | [Shandong Kaer Electric Co.,Ltd](https://appshunter.io/developer/1682003824) | [新 周](https://appshunter.io/developer/1816947384) |

## What reviewers say

### Kaer Tracker

[App page](https://appshunter.io/ios/app/kaer-tracker/id6478473780)

**Features:** macOS Compatibility

**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 Kaer Tracker free?

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

### Is Vi free?

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

### Do Kaer Tracker or Vi have ads?

Vi shows ads; Kaer Tracker does not.

### Which is updated more often, Kaer Tracker or Vi?

Kaer Tracker ships an update every 6 weeks, and Vi every 6 days. Most recently, Kaer Tracker was updated on September 9, 2026 and Vi on September 14, 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.*