Pro vs 504 Express
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Pro
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La Clínica Veterinaria PRO-PET es una empresa dedicada al cuidado de las mascotas, tenemos muchos años de experiencia en este rubro, trabajando en pro del bienestar de cada mascota.
504 Express
Track your online purchases from the moment they arrive at your Miami locker. Receive notifications and full traceability with status bars and location windows. Access comprehensive support to stay informed about your shipments.
- Package tracking from Miami locker
- Real-time notifications
- Full shipment traceability
- Status bar progress updates
- Location windows
- Comprehensive customer support
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Optimiza tu experiencia de compras en línea con nuestra aplicación de rastreo de paquetes. Desde que tu compra llega a nuestro casillero en Miami, te notificamos y proporcionamos una trazabilidad completa. Sigue el progreso con barras de estado, ventanas de ubicación, y accede a un soporte integral para estar siempre informado y en control de tus envíos.
Screenshots
Verdict
The clearest difference is update cadence: 504 Express at every 5 weeks against Pro's every 15 months. Pro's advantage is iOS requirement (13.0 vs 15.6). 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.
Pro ships an update every 15 months, 504 Express every 5 weeks. The most recent releases landed on October 3, 2026 and October 17, 2026 respectively.
| Parameter | Pro | 504 Express |
|---|---|---|
| Price | Free | Free |
| Rating | — | 4.3 (6 ratings) — better |
| Positive reviews | — | 100.0% of reviews |
| Number of ratings | — | 6 — better |
| Update frequency | Every 15 months | Every 5 weeks — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | — | Free |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Requires iOS | 13.0 — better | 15.6 |
| Further details — not scored | ||
| Size | 28 MB | 58 MB |
| Age rating | 4+ | 4+ |
| Developer | Carlos Ortez | SISOFTC |
In-app purchases
Pro
No in-app purchases
504 Express
No in-app purchases
