D1 System vs Tradetap Pro
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
D1 System
This app allows users to remotely manage an SMS alarm system. It enables sending text messages for home protection, configuring alarm host parameters, and setting zone and RFID card names. Users can also manage SMS codes.
- Send SMS for home protection
- Configure alarm host parameters
- Set zone names
- Set RFID card names
- Manage SMS codes
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D1 SMS alarm system 1: send text messages, deployed Chefang, home protection 2: set the alarm host parameters: hosting account, dial number 3: is set zone name 4: set RFID card name 5: SMS to code etc.
Tradetap Pro
This app connects flooring dealers and installers with digital tools for managing work orders, negotiations, and project documents. Installers can track job changes, negotiate, and send invoices directly from the platform.
- Manage Work Orders
- Handle Negotiations
- Project Document Management
- Shared Calendars
- Job Change Tracking
- Invoice Submission
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Tradetap Pro is an ecosystem that connects flooring dealers and flooring installers with digital tools that help you focus on the work and spend less time with administration. Flooring dealers can publish and mange Work Orders as well as handle negotiations, change orders, project-related documents, shared calendars and more to keep work flowing smooth. Flooring installers can stay up-to-date with changes to the job, negotiate work, as well as send invoices right from the app.
Screenshots
Verdict
The clearest difference is iOS requirement: D1 System at 8.0 against Tradetap Pro's 13.0. On price, update cadence, 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.
Both ship on a similar rhythm, roughly every 2 months. The most recent releases landed on October 1, 2026 and October 6, 2026 respectively.
| Parameter | D1 System | Tradetap Pro |
|---|---|---|
| Price | Free | Free |
| Rating | — | 5.0 (2 ratings) — better |
| Positive reviews | 50.0% of reviews | — |
| Number of ratings | — | 2 — better |
| Update frequency | Every 2 months | Every 2 months |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone, iPod | iPhone, iPad, iPod — better |
| Requires iOS | 8.0 — better | 13.0 |
| Further details — not scored | ||
| Size | 6 MB | 46 MB |
| Age rating | 4+ | 4+ |
| Developer | China Security & Fire IOT Sensing Co., Ltd. | Skilled Pro Alliance, LLC |
Customer experience
D1 System
Tradetap Pro
In-app purchases
D1 System
No in-app purchases
Tradetap Pro
No in-app purchases
