# Lupine Light Control vs SRM PM9

The clearest difference is update cadence: SRM PM9 at every 2 months against Lupine Light Control's every 10 months. SRM PM9 also leads on rating (5.0 vs 4.8). Lupine Light Control's advantage is iOS requirement (8.0 vs 15.1). On price, ratings volume, ads and in-app purchases there is nothing between them.

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

SRM PM9 holds the better App Store score, 5.0 against 4.8. Both are backed by a comparable volume of ratings — 4 and 2 respectively.

Lupine Light Control ships an update every 10 months, SRM PM9 every 2 months. The most recent releases landed on October 24, 2026 and October 10, 2026 respectively.

## The numbers

| Metric | Lupine Light Control | SRM PM9 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.8 (4 ratings)](https://appshunter.io/ios/app/lupine-light-control/id1031179882/reviews) | **[5.0 (2 ratings)](https://appshunter.io/ios/app/srm-pm9/id1568305482/reviews)** |
| Number of ratings | **4** | 2 |
| Positive reviews | 85.7% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 10 months | **Every 2 months** |
| Monetization | Free | Free |
| Size | 37 MB | 26 MB |
| Requires iOS | **8.0** | 15.1 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Lupine Lighting Systems GmbH](https://appshunter.io/developer/1031179881) | [Ulrich Schoberer](https://appshunter.io/developer/1051801775) |

## What reviewers say

### Lupine Light Control

[App page](https://appshunter.io/ios/app/lupine-light-control/id1031179882)

Manage your lighting system directly from your device. Adjust brightness, set custom options, and view detailed information about your lights, including temperature and battery status. Connect your lights easily through a simple pairing process.

**Highlights:** Direct light control, Adjustable light levels, Set custom extras, View light information (temp, battery), Easy device pairing

**Features:** macOS Compatibility

**In-app purchases:** none


### SRM PM9

[App page](https://appshunter.io/ios/app/srm-pm9/id1568305482)

This app provides advanced power measurement for cyclists, offering high accuracy in various conditions. It features magnet-less cadence, left/right balance, and pedal smoothness analysis, connecting seamlessly with ANT+ and Bluetooth devices.

**Highlights:** Magnet-less cadence, Left/Right balance measurement, Pedal smoothness analysis, Automatic temperature compensation, ANT+ and Bluetooth LE connectivity, Rechargeable battery, Zwift compatible

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Lupine Light Control free?

Lupine Light Control is free to download, with no in-app purchases.

### Is SRM PM9 free?

SRM PM9 is free to download, with no in-app purchases.

### Which has better reviews, Lupine Light Control or SRM PM9?

SRM PM9 is rated higher. Lupine Light Control averages 4.8 out of 5 from 4 ratings, while SRM PM9 averages 5.0 from 2 ratings.

### Do Lupine Light Control or SRM PM9 have ads?

Neither Lupine Light Control nor SRM PM9 shows ads.

### Which is updated more often, Lupine Light Control or SRM PM9?

Lupine Light Control ships an update every 10 months, and SRM PM9 every 2 months. Most recently, Lupine Light Control was updated on October 24, 2026 and SRM PM9 on October 10, 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.*