GSMKEY vs RF Writer
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.
RF Writer
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RF Writer can convert your most commonly used paper documents to digital forms. Accessible through desktop or mobile devices, your essential forms are available wherever you need them. The data collected is stored centrally providing the opportunity for consolidation to custom alerts, reports or sending data directly to vendors, partners, or managers. Collected Data is tagged and monitored with GPS providing real-time chain of custody for the data.
Screenshots
Verdict
The clearest difference is update cadence: RF Writer at monthly against GSMKEY's every 8 months. GSMKEY's advantage is iOS requirement (6.0 vs 14.0). On price, ads, in-app purchases and device support 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.
GSMKEY ships an update every 8 months, RF Writer monthly. The most recent releases landed on June 10, 2026 and September 20, 2026 respectively.
| Parameter | GSMKEY | RF Writer |
|---|---|---|
| Price | Free | Free |
| Rating | 3.0 (1 ratings) — better | — |
| Positive reviews | 33.3% of reviews | — |
| Number of ratings | 1 — better | — |
| Update frequency | Every 8 months | Monthly — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | — |
| Devices | iPhone, iPod | iPhone, iPad, iPod — better |
| Requires iOS | 6.0 — better | 14.0 |
| Further details — not scored | ||
| Size | 3 MB | 23 MB |
| Age rating | 4+ | 4+ |
| Developer | 艳丽 刘 | Consortium Services, LLC |
In-app purchases
GSMKEY
No in-app purchases
RF Writer
No in-app purchases
