GSMKEY vs Evluma OTA
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
GSMKEY
Control electric gates and automatic doors remotely by sending SMS commands. This application also allows for the configuration of device parameters. It is compatible with specific GSM-KEY products.
- Remote gate and door control via SMS
- Device parameter configuration
- SMS command sending
- Compatibility with GSM-KEY products
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GSM-KEY is used for the remote control of electric gate and automatic door by sending SMS text messages. Also used to config the parameters of the GSM-KEY device remotely. Compatible with WAFER 's GSM-KEY-AC and GSM-KEY-DC products series.
Evluma OTA
Wirelessly connect and update compatible lighting products. Ensure your Evluma account status is checked for product compatibility before use.
- Wireless connectivity
- Product updates
- Device management
- Compatibility check
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Evluma OTA allows users to wirelessly connect and update Evluma lighting products. IMPORTANT: If you’re not sure if your product is compatible with this app please check the status of your Evluma account.
Screenshots
Verdict
The clearest difference is rating: Evluma OTA at 5.0 against GSMKEY's 3.0. Evluma OTA also leads on update cadence (every 2 months vs every 8 months). GSMKEY's advantage is iOS requirement (6.0 vs 15.0). On price, ratings volume, ads and in-app purchases 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.
Evluma OTA holds the better App Store score, 5.0 against 3.0. Both are backed by a comparable volume of ratings — 1 and 1 respectively.
GSMKEY ships an update every 8 months, Evluma OTA every 2 months. The most recent releases landed on November 1, 2026 and November 7, 2026 respectively.
| Parameter | GSMKEY | Evluma OTA |
|---|---|---|
| Price | Free | Free |
| Rating | 3.0 (1 ratings) | 5.0 (1 ratings) — better |
| Positive reviews | 33.3% of reviews | — |
| Number of ratings | 1 | 1 |
| Update frequency | Every 8 months | Every 2 months — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone, iPod | iPhone, iPad, iPod — better |
| Requires iOS | 6.0 — better | 15.0 |
| Further details — not scored | ||
| Size | 3 MB | 46 MB |
| Age rating | 4+ | 4+ |
| Developer | 艳丽 刘 | Express Imaging Systems, LLC |
Customer experience
GSMKEY
Evluma OTA
In-app purchases
GSMKEY
No in-app purchases
Evluma OTA
No in-app purchases
