# KR2000 vs Sing LOOP Watch

The clearest difference is price: KR2000 at $4.99 against Sing LOOP Watch's $5.99. KR2000 also leads on iOS requirement (10.0 vs 13.0). On update cadence, ads, in-app purchases and device support there is nothing between them.

KR2000 costs $4.99 and Sing LOOP Watch $5.99 up front. Neither carries in-app purchases, so what you see is what you pay.

KR2000 ships an update monthly, Sing LOOP Watch every 3 weeks. The most recent releases landed on September 29, 2026 and September 23, 2026 respectively.

## The numbers

| Metric | KR2000 | Sing LOOP Watch |
| --- | --- | --- |
| Price | **$4.99** | $5.99 |
| Rating | **[3.4 (18 ratings)](https://appshunter.io/ios/app/kr2000-kitt-karr-simulator/id971799581/reviews)** | — |
| Number of ratings | **18** | — |
| Positive reviews | 60.7% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Monthly | **Every 3 weeks** |
| Monetization | Paid | — |
| Size | 102 MB | 4 MB |
| Requires iOS | **10.0** | 13.0 |
| Devices | iPhone, iPod, Apple Watch | iPhone, iPod, Apple Watch |
| Age rating | 4+ | 4+ |
| Developer | [Jeremy Gold](https://appshunter.io/developer/971799580) | [Pieter Yoshua Natanael](https://appshunter.io/developer/1657373397) |

## What reviewers say

### KR2000

[App page](https://appshunter.io/ios/app/kr2000-kitt-karr-simulator/id971799581)

Experience the iconic Knight Industries vehicles with this simulator app. Recreate coding spacemaps, trigger sound effects, play music with a K.I.T.T. interface, and use a GPS-powered speedometer. Includes a companion watch app for quick access.

**Highlights:** K.I.T.T. and K.A.R.R. coding spacemaps, Scanner sound effect buttons, Onboard music system with K.I.T.T. interface, Voicebox reaction and limited record/playback, GPS-powered speedometer, Companion watch app with animations, Multiple language phrases and sound effects

**Features:** macOS Compatibility, Apple Watch app, Vision Pro support

**In-app purchases:** none


### Sing LOOP Watch

[App page](https://appshunter.io/ios/app/sing-loop-watch/id6483368266)

**In-app purchases:** none


## Frequently asked questions

### Is KR2000 free?

KR2000 costs $4.99, with no in-app purchases.

### Is Sing LOOP Watch free?

Sing LOOP Watch costs $5.99, with no in-app purchases.

### Do KR2000 or Sing LOOP Watch have ads?

Neither KR2000 nor Sing LOOP Watch shows ads.

### Which is updated more often, KR2000 or Sing LOOP Watch?

KR2000 ships an update monthly, and Sing LOOP Watch every 3 weeks. Most recently, KR2000 was updated on September 29, 2026 and Sing LOOP Watch on September 23, 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.*