# Embedded Slave vs Lonsdor

Embedded Slave and Lonsdor are too close to call on the numbers: across 6 compared parameters — price, update cadence, ads and in-app purchases among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

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

Embedded Slave ships an update fortnightly, Lonsdor weekly. The most recent releases landed on October 4, 2026 and October 14, 2026 respectively.

## The numbers

| Metric | Embedded Slave | Lonsdor |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.2 (6 ratings)](https://appshunter.io/ios/app/lonsdor/id6458650808/reviews)** |
| Number of ratings | — | **6** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Fortnightly | **Weekly** |
| Monetization | — | Free |
| Size | 45 MB | 81 MB |
| Requires iOS | 13.0 | 13.0 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Wuxi Kaiyang Electronic Technology Co., Ltd.](https://appshunter.io/developer/1131154502) | [Shenzhen Lonsdor Technology Co.,Ltd.](https://appshunter.io/developer/1698956625) |

## What reviewers say

### Embedded Slave

[App page](https://appshunter.io/ios/app/embedded-slave/id1596038290)

**Features:** macOS Compatibility

**In-app purchases:** none


### Lonsdor

[App page](https://appshunter.io/ios/app/lonsdor/id6458650808)

This app connects to a programmer via Bluetooth, enabling automotive professionals to perform various operations on key fobs and tire pressure sensors. It is designed for global use by those in the auto parts industry.

**Highlights:** Bluetooth connectivity, Key fob programming, Tire pressure sensor operations, Professional automotive use, Global accessibility

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Embedded Slave free?

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

### Is Lonsdor free?

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

### Do Embedded Slave or Lonsdor have ads?

Neither Embedded Slave nor Lonsdor shows ads.

### Which is updated more often, Embedded Slave or Lonsdor?

Embedded Slave ships an update fortnightly, and Lonsdor weekly. Most recently, Embedded Slave was updated on October 4, 2026 and Lonsdor on October 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.*