GVM LED vs Z5 Count
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
GVM LED
Control photography lamps via Bluetooth connection. Adjust settings and manage your lighting equipment directly from your mobile device.
- Bluetooth lamp control
- Photography lighting management
- App-controlled lighting
- GVM product integration
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This is a software that can control the photography lamp. The app controls the photography lamp product with app function under GVM through Bluetooth connection.
Z5 Count
This application facilitates on-site physical inventory counts for various facilities, including hospitals and clinics. It enables near real-time tracking, auditing, and valuation of stock, with options to mark consigned and expired items.
- On-site physical inventory counts
- Near real-time counting
- Inventory auditing
- Inventory valuation
- Consigned inventory marking
- Expired inventory marking
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Z5 Count is an app published by Z5 Inventory to perform Physical Inventory Counts on-site, in facilities such as Hospitals, Veterinary Clinics, Dental Practices etc.. It allows for near-real-time counting, auditing and valuation of inventory on hand, and the ability to denote consigned and expired inventory.
Screenshots
Verdict
The clearest difference is rating: Z5 Count at 4.5 against GVM LED's 3.0. GVM LED's advantage is iOS requirement (13.0 vs 15.1). On price, ratings volume, update cadence and ads 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.
Z5 Count holds the better App Store score, 4.5 against 3.0. Both are backed by a comparable volume of ratings — 4 and 8 respectively.
GVM LED ships an update every 2 months, Z5 Count every 5 weeks. The most recent releases landed on September 5, 2026 and September 21, 2026 respectively.
| Parameter | GVM LED | Z5 Count |
|---|---|---|
| Price | Free | Free |
| Rating | 3.0 (4 ratings) | 4.5 (8 ratings) — better |
| Positive reviews | 22.0% of reviews | — |
| Number of ratings | 4 | 8 — better |
| Update frequency | Every 2 months | Every 5 weeks — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 13.0 — better | 15.1 |
| Further details — not scored | ||
| Size | 49 MB | 32 MB |
| Age rating | 4+ | 4+ |
| Developer | 丹丹 陈 | Z5 Inventory Inc. |
Customer experience
GVM LED
Z5 Count
Bugs and requests
GVM LED
Reported bugs
12 issues- Login credentials rejected despite correct password
- Verification code times out before use
- App crashes during device synchronization
- Cannot connect more than one light at a time
- Bluetooth connection drops unexpectedly
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- App freezes on main page or navigation tabs
- Password matching validation fails despite identical entries
- Login fails when using non-.com email addresses
- App requires WiFi for login despite Bluetooth-only operation
- In-app message/problem form always returns 'FAILED' status
- Incompatibility with iPad Pro color adjustment
- Recent update broke previously working connections
Requested features
10 requests- Remove mandatory login requirement for local Bluetooth control
- Enable independent control of multiple lights simultaneously
- Expand scene customization options beyond 8 presets
- Add keyboard shortcuts and Stream Deck integration for streaming
- Improve color wheel with more granular color selection
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- Add dark mode option
- Create desktop/PC version with better controls
- Allow grouping of lights for synchronized control
- Implement offline mode for Bluetooth-only operation
- Add light naming persistence across app sessions
Z5 Count
Not enough reviews yet to summarise bugs or requests.
In-app purchases
GVM LED
No in-app purchases
Z5 Count
No in-app purchases
