# GreenSwitch by LS vs KeiltonEM

GreenSwitch by LS and KeiltonEM 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.

GreenSwitch by LS ships an update every 6 months, KeiltonEM every 7 months. The most recent releases landed on October 25, 2026 and October 28, 2026 respectively.

## The numbers

| Metric | GreenSwitch by LS | KeiltonEM |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/keiltonem/id6744957921/reviews)** |
| Number of ratings | — | **1** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 6 months** | Every 7 months |
| Monetization | — | Free |
| Size | 19 MB | 25 MB |
| Requires iOS | **12.0** | 13.0 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [LIGHT SCIENTISTS GROUP](https://appshunter.io/developer/1687262009) | [Litetrace Inc](https://appshunter.io/developer/1685148777) |

## What reviewers say

### GreenSwitch by LS

[App page](https://appshunter.io/ios/app/greenswitch-by-ls/id6448981770)

**Features:** macOS Compatibility

**In-app purchases:** none


### KeiltonEM

[App page](https://appshunter.io/ios/app/keiltonem/id6744957921)

This app allows for the wireless control and scheduling of emergency lighting tests directly from a smartphone. It provides real-time status monitoring and digital record-keeping, eliminating the need for manual documentation and allowing for instant data export.

**Highlights:** Wireless smartphone control, Scheduled automated tests, Real-time status monitoring, Digital record-keeping, Instant data export

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

**In-app purchases:** none


## Frequently asked questions

### Is GreenSwitch by LS free?

GreenSwitch by LS is free to download, with no in-app purchases.

### Is KeiltonEM free?

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

### Do GreenSwitch by LS or KeiltonEM have ads?

Neither GreenSwitch by LS nor KeiltonEM shows ads.

### Which is updated more often, GreenSwitch by LS or KeiltonEM?

GreenSwitch by LS ships an update every 6 months, and KeiltonEM every 7 months. Most recently, GreenSwitch by LS was updated on October 25, 2026 and KeiltonEM on October 28, 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.*