GLP iQ.Service vs LIT Light Meter
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
GLP iQ.Service
This utility app allows users to manage, update, and analyze fixtures remotely. It connects via Bluetooth and NFC for seamless interaction with GLP products.
- Fixture maintenance
- Software updates
- Data analysis
- Bluetooth connectivity
- NFC integration
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Service App for GLP Products. Maintain, update and analyse fixtures via Bluetooth and NFC.
LIT Light Meter
This companion app allows users to remotely control and save data from the LIT DUO 1 light meter. It enables firmware updates via Bluetooth, enhancing the functionality of the connected device.
- Remote control for LIT DUO 1
- Firmware updates via Bluetooth
- Data saving capabilities
- Companion app functionality
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Companion app for LIT DUO 1 light meter. Key features: – Firmware update via Bluetooth – Remote control Learn more about LIT DUO 1: http://lit-systems.com
Screenshots
Verdict
The clearest difference is rating: GLP iQ.Service at 5.0 against LIT Light Meter's 4.6. LIT Light Meter's advantage is update cadence (every 2 weeks vs monthly) and ratings volume (5 vs 1). On price, ads, in-app purchases and monetization model 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.
GLP iQ.Service holds the better App Store score, 5.0 against 4.6. That said, the two scores are not equally well evidenced: LIT Light Meter has 5 ratings behind it against 1, so its average is the more settled of the two.
GLP iQ.Service ships an update monthly, LIT Light Meter every 2 weeks. The most recent releases landed on November 3, 2026 and October 30, 2026 respectively.
| Parameter | GLP iQ.Service | LIT Light Meter |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (1 ratings) — better | 4.6 (5 ratings) |
| Positive reviews | — | 100.0% of reviews |
| Number of ratings | 1 | 5 — better |
| Update frequency | Monthly | Every 2 weeks — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone, iPad | iPhone, iPad, iPod, Mac, Apple Watch — better |
| Requires iOS | 16.0 | 15.0 — better |
| Further details — not scored | ||
| Size | 275 MB | 78 MB |
| Age rating | 4+ | 4+ |
| Developer | German Light Products | Lit Systems AB |
Customer experience
GLP iQ.Service
LIT Light Meter
In-app purchases
GLP iQ.Service
No in-app purchases
LIT Light Meter
No in-app purchases
Questions
Is GLP iQ.Service free?
Is LIT Light Meter free?
Which has better reviews, GLP iQ.Service or LIT Light Meter?
Do GLP iQ.Service or LIT Light Meter have ads?
Which is updated more often, GLP iQ.Service or LIT Light Meter?
Other comparisons
