Luminosys vs Mach Mobile Alerting
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Luminosys
Accurately measure ambient light levels in Lux or Foot Candles using your phone's camera. This tool is ideal for photography, comparing light sources, or indoor gardening. It's designed for ease of use and provides precise readings.
- Measures light in Lux
- Measures light in Foot Candles (FC)
- Uses phone camera for accuracy
- Easy to use interface
- Suitable for photography
- Useful for indoor gardening
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Luminosys allows you to accurately measure the ambient light level in Lux or Foot Candles (FC). To do this, Luminosys uses your phone's camera in conjunction with a piece of paper to accurately measure the light level. It is very easy to use and is a great app for those looking for accurate light measurements for photography, comparing light sources, or indoor gardening.
Mach Mobile Alerting
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Mach Alert is a full featured fire station alerting (FSA) solution designed to provide state of the art alerting functionality and reliability to public safety answering points (PSAP), fire and EMS facilities, and, with optional add-ons, to first responders in the field. Whether operating as a standalone system or via interface to a computer aided dispatch (CAD) product, Mach Alert is designed to minimize time spent dispatching at the 911 center and maximize the amount of critical information delivered to first responders when they need it most with tones, voice, and a robust catalog of add-ons and customization options. The Mach Alert Mobile Application is an optional companion for full Mach Alert FSA systems. Like functionality is only available with an associated services agreement. This application gives the user the ability to assign teams which correlate to emergencies they would like to receive information on. Displays the alert history with previous emergencies that have occurred within the last 24 hours. Individualized notification options can be configured in Options. For more information refer to the Help section of the app.
Screenshots
Verdict
The clearest difference is ads: Mach Mobile Alerting at none against Luminosys's shown. Mach Mobile Alerting also leads on update cadence (every 2 months vs every 19 months). On price, in-app purchases, device support and iOS requirement there is nothing between them.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
Luminosys ships an update every 19 months, Mach Mobile Alerting every 2 months. The most recent releases landed on October 24, 2026 and October 11, 2026 respectively.
| Parameter | Luminosys | Mach Mobile Alerting |
|---|---|---|
| Price | Free | Free |
| Rating | 4.3 (10 ratings) — better | — |
| Positive reviews | 75.0% of reviews | — |
| Number of ratings | 10 — better | — |
| Update frequency | Every 19 months | Every 2 months — better |
| Ads | Yes | No — better |
| In-app purchases | No | No |
| Monetization | Ad-supported | — |
| Devices | iPhone | iPhone, iPad — better |
| Requires iOS | 16.0 | 16.0 |
| Further details — not scored | ||
| Size | 3 MB | 47 MB |
| Age rating | 4+ | 4+ |
| Developer | Melissa Zwick | Mach Alert Inc. |
In-app purchases
Luminosys
No in-app purchases
Mach Mobile Alerting
No in-app purchases
Questions
Is Luminosys free?
Is Mach Mobile Alerting free?
Do Luminosys or Mach Mobile Alerting have ads?
Which is updated more often, Luminosys or Mach Mobile Alerting?
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