# Scale Link vs CarKey Digital Car Key Connect

The clearest difference is review sentiment: CarKey Digital Car Key Connect at 44% against Scale Link's 0%. CarKey Digital Car Key Connect also leads on rating (4.3 vs 2.1) and ratings volume (2.4K vs 21). Scale Link's advantage is in-app purchases (none vs 4) and iOS requirement (8.0 vs 15.0). On price, ads and device support there is nothing between them.

Both are free to download. CarKey Digital Car Key Connect sells 4 in-app purchases, starting at $9.99 per 7 days. Scale Link asks for nothing beyond the download.

CarKey Digital Car Key Connect holds the better App Store score, 4.3 against 2.1. That said, the two scores are not equally well evidenced: CarKey Digital Car Key Connect has 2.4K ratings behind it against 21, so its average is the more settled of the two. Written reviews point the same way: 0% of Scale Link's written reviews are positive against 44% of CarKey Digital Car Key Connect's.

Scale Link ships an update monthly, CarKey Digital Car Key Connect every 2 weeks. The most recent releases landed on October 20, 2026 and October 21, 2026 respectively.

## The numbers

| Metric | Scale Link | CarKey Digital Car Key Connect |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [2.1 (21 ratings)](https://appshunter.io/ios/app/scale-link/id1027059407/reviews) | **[4.3 (2.4K ratings)](https://appshunter.io/ios/app/carkey-digital-car-key-connect/id6443484839/reviews)** |
| Number of ratings | 21 | **2.4K** |
| Positive reviews | 0.0% of reviews | **43.6% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Monthly | **Every 2 weeks** |
| Monetization | **Free** | Subscription |
| Size | 22 MB | 250 MB |
| Requires iOS | **8.0** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [CPS Products](https://appshunter.io/developer/945771072) | [Fuentech Company Limited](https://appshunter.io/developer/1598287434) |

## What reviewers say

### Scale Link

[App page](https://appshunter.io/ios/app/scale-link/id1027059407)

This application allows remote communication and control of wireless scales for servicing air-conditioning and refrigeration equipment. It offers comprehensive system measurement views, graphical depictions of test functions, and data logging capabilities.

**Highlights:** Remote scale communication, Control of select scale functions, View system measurements, Graphical test function depictions, Data logging

**In-app purchases:** none


### CarKey Digital Car Key Connect

[App page](https://appshunter.io/ios/app/carkey-digital-car-key-connect/id6443484839)

This app allows users to remotely manage their vehicles, including starting the engine, checking tire pressure, and locating their car. It also offers features for fleet tracking and EV charging management, enabling seamless car linking for customers.

**Highlights:** Remote car starter, Locate vehicle & get directions, Live status tire pressure updates, Find my car, Manage EV charging, Track fleets

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

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Car Connect Key Weekly | $9.99 | per 7 days |
| Car Connect Key Monthly | $18.99 | per month |
| Digital Car Play Key Half Year | $59.99 | per 6 months |
| Digital Car Play Key Yearly | $68.99 | per year |

**What reviewers like**

- 💡 Innovative features
- 👍 User-friendly
- 🚀 Efficient

**What reviewers complain about**

- 🐛 Compatibility issues
- 💰 Expensive pricing
- 🔒 Security concerns
- 🔋 High battery consumption

**Reported bugs**

- Server errors preventing activation
- Inability to change account information
- App not working as advertised

**Requested features**

- Free trial period to test compatibility
- Clear indication of compatible vehicles before purchase
- Ability to connect to a wider range of vehicle models


## Frequently asked questions

### Is Scale Link free?

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

### Is CarKey Digital Car Key Connect free?

CarKey Digital Car Key Connect is free to download, with in-app purchases available.

### Which has better reviews, Scale Link or CarKey Digital Car Key Connect?

CarKey Digital Car Key Connect is rated higher. Scale Link averages 2.1 out of 5 from 21 ratings, while CarKey Digital Car Key Connect averages 4.3 from 2.4K ratings.

### Do Scale Link or CarKey Digital Car Key Connect have ads?

Neither Scale Link nor CarKey Digital Car Key Connect shows ads.

### Which is updated more often, Scale Link or CarKey Digital Car Key Connect?

Scale Link ships an update monthly, and CarKey Digital Car Key Connect every 2 weeks. Most recently, Scale Link was updated on October 20, 2026 and CarKey Digital Car Key Connect on October 21, 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.*