# BlueHHT vs Kart Logger

The clearest difference is update cadence: Kart Logger at every 4 days against BlueHHT's every 12 months. BlueHHT's advantage is iOS requirement (13.0 vs 17.0). 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.

BlueHHT ships an update every 12 months, Kart Logger every 4 days. The most recent releases landed on October 31, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | BlueHHT | Kart Logger |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 12 months | **Every 4 days** |
| Size | 15 MB | 4 MB |
| Requires iOS | **13.0** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Dohmann Engineering Services](https://appshunter.io/developer/401682475) | [Chan Bill](https://appshunter.io/developer/506424571) |

## What reviewers say

### BlueHHT

[App page](https://appshunter.io/ios/app/bluehht/id1551056680)

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

**In-app purchases:** none


### Kart Logger

[App page](https://appshunter.io/ios/app/kart-logger/id6476467444)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is BlueHHT free?

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

### Is Kart Logger free?

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

### Do BlueHHT or Kart Logger have ads?

Neither BlueHHT nor Kart Logger shows ads.

### Which is updated more often, BlueHHT or Kart Logger?

BlueHHT ships an update every 12 months, and Kart Logger every 4 days. Most recently, BlueHHT was updated on October 31, 2026 and Kart Logger on October 25, 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.*