# SENSORCheck for VIEWER vs Lumly

The clearest difference is update cadence: Lumly at every 3 days against SENSORCheck for VIEWER's monthly. SENSORCheck for VIEWER's advantage is iOS requirement (12.0 vs 17.6). On price, review sentiment, 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.

SENSORCheck for VIEWER ships an update monthly, Lumly every 3 days. The most recent releases landed on October 20, 2026 and October 15, 2026 respectively.

## The numbers

| Metric | SENSORCheck for VIEWER | Lumly |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/sensorcheck-for-viewer/id1146161843/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | 100.0% of reviews | 100.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Monthly | **Every 3 days** |
| Monetization | Free | Free |
| Size | 9 MB | 5 MB |
| Requires iOS | **12.0** | 17.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [SENSOR CHECK LLC](https://appshunter.io/developer/1146158249) | [Dominik Nebel](https://appshunter.io/developer/1798498884) |

## What reviewers say

### SENSORCheck for VIEWER

[App page](https://appshunter.io/ios/app/sensorcheck-for-viewer/id1146161843)

This application allows registered business customers to monitor temperature sensors in their environment. It provides a simple interface for viewing real-time data from these sensors.

**Highlights:** View temperature sensor data, Real-time monitoring, For registered SENSORCheck customers, Environmental monitoring

**Features:** macOS Compatibility

**In-app purchases:** none


### Lumly

[App page](https://appshunter.io/ios/app/lumly/id6742457174)

This minimalist productivity app offers a Pomodoro timer with customizable focus and rest intervals. It features vibrant themes and an optional hardcore mode to enhance discipline, helping users stay on track with their studies, work, or creative projects.

**Highlights:** Customizable focus and rest presets, Vibrant color themes, Optional hardcore mode, Tracks 4-cycle sessions, Distraction-free design

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

**In-app purchases:** none


## Frequently asked questions

### Is SENSORCheck for VIEWER free?

SENSORCheck for VIEWER is free to download, with no in-app purchases.

### Is Lumly free?

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

### Do SENSORCheck for VIEWER or Lumly have ads?

Neither SENSORCheck for VIEWER nor Lumly shows ads.

### Which is updated more often, SENSORCheck for VIEWER or Lumly?

SENSORCheck for VIEWER ships an update monthly, and Lumly every 3 days. Most recently, SENSORCheck for VIEWER was updated on October 20, 2026 and Lumly on October 15, 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.*